Technial Ceramics are used to make the welding guide pins, which are used for projection welding and resistance welding in automotive industry. Ceramic pins are electrical insulated and high thermal shock resistant. Besides, they can be used up to 1,200 degree C. So they offer much longer service life and higher economic efficiency.
MATERIAL : Si3N4
DENSITY : 2.8
COLOR : Black / Blue / White
HRDNESS(Mohs scale) : 9
MAX WORKING TEMPERATURE : 1650
| √ Fewer Cold Welds | √ Electrical Insulation |
| √ Higher Energy Efficiency | √ Improved Weld Precision |
| √ No Welding Spatter Adhesion | √ High Thermal Shock Resistance |
| √ Using Temperature up to 1,200°C/2,190°F | √ 25x Longer Service Life than KCF Material |
▼Performance characteristic
1. Excellent corrosion resistance : silicon nitride ceramic tube has good corrosion resistance to most acid, alkali, salt and other chemical media, and can maintain stability in harsh chemical environment
2. Excellent high temperature performance : can maintain stable mechanical properties in a high temperature environment of up to 1400℃, suitable for high temperature gas transport and heat exchange equipment
3. High strength and toughness : compared with traditional ceramics, silicon nitride ceramics exhibit higher strength and toughness and can withstand greater impact and load
4. Low friction coefficient and wear : the high hardness (Mohs hardness 8-9) and low friction coefficient of silicon nitride ceramics enable it to maintain a low resistance coefficient during the fluid transmission process, thereby improving the transmission efficiency
5. Good electrical insulation : silicon nitride ceramics are a good electrical insulation material suitable for applications requiring electrical isolation
6. Excellent mechanical properties : silicon nitride ceramics have high yield strength and fracture resistance, and can maintain stability under heavy load
7. Low thermal expansion coefficient : the low thermal expansion coefficient of silicon nitride ceramics can effectively reduce the deformation at high temperature and ensure the stability of the structure
8. High density : through high temperature and pressure sintering process, the density of silicon nitride ceramic tube can reach more than 98%, improve the strength and wear resistance of the material
▼Field of application
1. Mechanical field: silicon nitride ceramics are widely used in the mechanical field to manufacture valves, pipes, grading wheels, ceramic cutters, bearing balls, etc. Its low density, high temperature resistance, self-lubrication and corrosion resistance make it widely used in high-speed machine tool spindle high-speed bearing, aerospace engine, wind turbine bearing, automotive engine bearing and other equipment.
2. Semiconductor field: silicon nitride ceramic has excellent thermal conductivity and high thermal conductivity, making it an ideal material in semiconductor packaging field. Silicon nitride substrates have excellent performance in integrated circuits, high thermal conductivity, high bending strength and good thermal matching, suitable for high-performance power modules.
3. Bioceramic field: As a new generation of bioceramic materials, silicon nitride ceramic has good radiographic imaging performance, anti-infection performance and biocompatibility, and is widely used in biological sensors, spine, orthopedics and dental implants.
4. Wave transmitting material field: silicon nitride ceramics and their composite materials have excellent performances such as heat resistance, wave transmitting and bearing, and are used to manufacture high performance wave transmitting materials such as radome and antenna window.
Application Examples of Silicon Nitride Ceramics
5. Bearing: silicon nitride ceramic bearing ball has the characteristics of low density, wear resistance, high temperature resistance, corrosion resistance and self-lubrication, especially suitable for high-speed rotating bodies, such as high-speed bearing of high-speed machine tool spindle, aerospace engine bearing, etc.
6. Substrate: in the semiconductor field, silicon nitride substrate is widely used in packaging of high-performance power modules due to its high thermal conductivity, high bending strength and good thermal matching.
7. Implants: Silicon nitride ceramics are used in the biomedical field to manufacture spinal intervertebral fusion devices, orthopedic and dental implants, etc., with good biocompatibility and anti-infection performance.
Transparent material: silicon nitride ceramic and its composite materials are used to fabricate radome and antenna window, which have excellent transparent performance and high temperature resistance.
Silicon nitride ceramic ball is a kind of precision ceramics sintered at high temperature in non-oxidizing atmosphere, with high strength, high wear resistance, high temperature, corrosion resistance, acid and alkali resistance and other excellent properties. Its density is 3.20g/cm³, about 1/3 of the weight of bearing steel, small centrifugal force when rotating, suitable for high-speed operation. In addition, silicon nitride ceramic balls are also self-lubricating, suitable for non-lubricating media and high pollution environment MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
silicon nitride ceramic substrate is a kind of high performance and high stability ceramic substrate material, mainly composed of silicon nitride powder synthesized by silicon and nitrogen elements adding a small amount of oxides and rare earth sintered . It has the advantages of high hardness, high strength, low thermal expansion coefficient, low creep at high temperature, good oxidation resistance, high thermal corrosion performance, low friction coefficient, etc. is one of the best structural ceramic materials with comprehensive performance MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic bolt is a kind of bolt made of silicon nitride (Si3N4) material, which has excellent high temperature resistance, corrosion resistance and mechanical properties. Silicon nitride ceramic bolts perform well at high temperatures, maintain high strength at 1200 ° C, and only break down at 1900 ° C . In addition, it also has good chemical resistance, able to resist almost all inorganic acids (except hydrofluoric acid) and less than 30% caustic soda solution MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic rods perform well in high temperature environments, have good heat shock resistance, and can maintain high strength and impact resistance at high temperatures. Its decomposition temperature is 1800℃ in the air, up to 1850℃ in nitrogen, and it will not break after being heated in cold water at 1000℃ . Silicon nitride ceramics have high thermal conductivity and low coefficient of thermal expansion, which makes them have excellent heat shock resistance at high temperature MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic tubes can maintain stable mechanical properties at high temperatures up to 1400 ° C. Compared with traditional ceramics, silicon nitride ceramics show higher strength and toughness, and can withstand greater impact and loads . MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
The Mohs hardness of silicon nitride ceramics is usually above 9, which makes it excellent in wear resistance and scratch resistance , enough to keep its physical and chemical properties stable at extreme high temperatures, melting point of more than 2700℃, can still maintain good mechanical strength and dimensional stability at high temperatures. MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
The Mohs hardness of silicon nitride ceramics is usually above 9, which makes it excellent in wear resistance and scratch resistance , enough to keep its physical and chemical properties stable at extreme high temperatures, melting point of more than 2700℃, can still maintain good mechanical strength and dimensional stability at high temperatures MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
The Mohs hardness of silicon nitride ceramics is usually above 9, which makes it excellent in wear resistance and scratch resistance , enough to keep its physical and chemical properties stable at extreme high temperatures, melting point of more than 2700℃, can still maintain good mechanical strength and dimensional stability at high temperatures MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic is a kind of made of silicon nitride (Si3N4) material, which has excellent high temperature resistance, corrosion resistance and mechanical properties. Silicon nitride ceramic perform well at high temperatures, maintain high strength at 1200 ° C, and only break down at 1900 ° C . In addition, it also has good chemical resistance, able to resist almost all inorganic acids (except hydrofluoric acid) and less than 30% caustic soda solution MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic tubes can maintain stable mechanical properties at high temperatures up to 1400 ° C. Compared with traditional ceramics, silicon nitride ceramics show higher strength and toughness, and can withstand greater impact and loads . MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Technial Ceramics are used to make the welding guide pins, which are used for projection welding and resistance welding in automotive industry. Ceramic pins are electrical insulated and high thermal shock resistant. Besides, they can be used up to 1,200 degree C. So they offer much longer service life and higher economic efficiency. MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic piston is a kind of high performance material, with high bulk density, high thermal shock resistance, high hardness and high temperature resistance. These characteristics make silicon nitride ceramic pistons perform well in extreme environments and are widely used in various industrial fields. MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic is a kind of made of silicon nitride (Si3N4) material, which has excellent high temperature resistance, corrosion resistance and mechanical properties. Silicon nitride ceramic perform well at high temperatures, maintain high strength at 1200 ° C, and only break down at 1900 ° C . In addition, it also has good chemical resistance, able to resist almost all inorganic acids (except hydrofluoric acid) and less than 30% caustic soda solution MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic rings are usually manufactured by hot press sintering process . This process sintering silicon nitride powder under high temperature and high pressure conditions significantly improves the density and mechanical properties of the material. By optimizing the hot press sintering process, the overall performance of silicon nitride ceramic rings can be further improved, making it more suitable for harsh industrial needs MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic bolt is a kind of bolt made of silicon nitride (Si3N4) material, which has excellent high temperature resistance, corrosion resistance and mechanical properties. Silicon nitride ceramic bolts perform well at high temperatures, maintain high strength at 1200 ° C, and only break down at 1900 ° C . In addition, it also has good chemical resistance, able to resist almost all inorganic acids (except hydrofluoric acid) and less than 30% caustic soda solution MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
Silicon nitride ceramic structure is a kind of ceramic material composed of silicon and nitrogen elements, chemical formula Si3N4, with unique crystal structure and excellent physical and chemical properties . Its basic structural unit is the tetrahedron [SiN4], the silicon atom is located in the center of the tetrahedron, surrounded by four nitrogen atoms, forming the form of one atom for every three tetrahedra, forming a continuous and sturdy network in three-dimensional space MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
The Mohs hardness of silicon nitride ceramics is usually above 9, which makes it excellent in wear resistance and scratch resistance , enough to keep its physical and chemical properties stable at extreme high temperatures, melting point of more than 2700℃, can still maintain good mechanical strength and dimensional stability at high temperatures MATERIAL : Si3N4 DENSITY : 2.8 COLOR : Black / Blue / White HRDNESS(Mohs scale) : 9 MAX WORKING TEMPERATURE : 1650
Details
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