News
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Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
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Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
-
Zirconia Ceramic can make computers more power efficient
Recently, engineers at the University of California, Berkeley, described a major breakthrough in the design of transistors (tiny electronic switches that make up computer building blocks) that can dramatically reduce their energy consumption without sacrificing speed, size, or performance. This element is called the gate oxide layer, which plays a key role in the switching of transistors. In this study, the team could also achieve negative capacitance by combining hafnium oxide and zirconia in an engineered crystal structure called a superlattice, and also allowed both ferroelectricity and antiferroelectricity to exist at the same time. It was found that these transistors required about 30% less voltage than existing transistors, while maintaining the semiconductor industry's benchmark without sacrificing reliability. This test of the new application of zirconia further shows that the development potential of Zirconia Ceramic Components is huge. The traditional application of zirconia is mainly made to zirconia ceramic shafts,zirconia ceramic structural component, as a raw material for refractories, coatings and glazes, etc., with the in-depth understanding of the thermodynamic and electrical properties of zirconia ceramics, it is possible to be widely used as a high-performance structural ceramic and solid dielectric material.
2022 05/10
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The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
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The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
-
The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
-
The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
-
The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
-
The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
-
The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
-
The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
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The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
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The main precision secondary processes of advanced ceramics
Precision technical ceramics have different secondary processing methods according to different performance requirements. At present, the main processing methods include mechanical processing, electrical processing, ultrasonic processing, laser processing and composite processing. Hereby we mainly introduce the mechanical processing technology of advanced ceramic materials, including turning, grinding, drilling, lapping and polishing. 1) Precision turning Turning mainly uses high hardness and super wear-resistance diamond tools to cut ceramic materials. Polycrystalline diamond tools are difficult to produce smooth cutting edges, and are generally only used for rough machining; Natural single crystal diamond tools are used for fine turning of ceramic materials, and micro-cutting is conducted in the processing. Due to the high hardness and brittleness of ceramic materials, it is difficult to ensure the accuracy of turning processing, so turning processing has been not widely used, and it is basically still in the R&D stage. 2) Precision grinding Grinding has been widely used in the machining processing at present. The grinding wheel is regularly diamond grinding wheel. Different scholars have different explanations for the grinding mechanism of diamond grinding wheels, but in general, the common point that is brittle fracture is the main reason for the formation of material removal. In the grinding process, the removal of chips is a major problem, and cooling fluid is generally used for cleaning. The coolant not only plays the role of flushing the chip powder, but also can reduce the temperature of the grinding area, improve the grinding quality, and reduce the thermal decomposition of the binder around the abrasive particles. Grinding fluids are generally selected with good cleaning performance and low viscosity. Diamond grinding wheels have different grinding characteristics due to different types of binders and abrasive particle concentrations. The size of diamond particles is another main factor that affects the surface quality of ceramic workpieces. The larger the particles, the greater the surface roughness, but the higher the processing efficiency. 3) Precision drilling Drilling of ceramic materials is mostly used with trepanning drill. The structure of the trepanning drill is that an annular diamond grinding wheel is welded to a hollow steel pipe, and the welding process is silver welding. When drilling ceramic materials, the diamond grinding wheel rotates at high speed and uses the diamond abrasive grains on the end face to cut the material. 4) Lapping and polishing In some areas of industrial production, grinding alone cannot meet the surface finish requirements of ceramic parts, that`s why lapping and polishing are usually conducted after machining. On the other hand, ceramic materials are less ductile and brittle, and their strength is easily affected by surface cracks. If the machined surface is rougher and the surface cracks are larger, it is easier to produce stress concentration, resulting in lower strength of the workpiece. Therefore, lapping is not only to achieve a designated roughness and high dimensional & shape accuracy, but also to improve the strength of the workpiece. Polishing is a finishing process that uses a soft polisher and fine-grained abrasives to act on the workpiece at low pressure.
2022 03/03
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