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Silicon Nitride Ceramics

Silicon Nitride Ceramics

Silicon nitride is an important structural ceramic material. It is a superhard substance, inherently lubricious, and wear-resistant, and is an atomic crystal; it resists oxidation at high temperatures. Moreover, it can also resist cold and heat shocks, and it will not shatter when heated to above 1000°C in the air, cooled rapidly and heated again sharply. Silicon nitride ceramics have high fracture toughness, compressive strength close to corundum, self-lubricating and anti-wear. High temperature resistance, low coefficient of thermal expansion, and excellent thermal conductivity. Use it to make bearings, gas turbine blades, mechanical seal rings, permanent molds and other mechanical components.

Keyword：

Ceramic nozzle

Silicon Nitride Ceramics

Silicon Nitride Ceramics

Silicon nitride ceramics have high fracture toughness, compressive strength close to corundum, self-lubricating and anti-wear. High temperature resistance, low coefficient of thermal expansion, and excellent thermal conductivity. The working environment of high temperature, high speed, and strong corrosion often encountered has unique product value. The most prominent features are: (1) High fracture toughness, strength close to that of corundum, and self-lubricating. (2) Good temperature resistance, small thermal expansion coefficient, and high-quality heat conduction characteristics, so it has good high temperature shock resistance, and it is not easy to crack when it is thermally damaged from room temperature to 1000 °C. Silicon nitride ceramics have excellent chemical stability and excellent mechanical properties, and can be used as parts of thermal equipment such as crucibles, burners, and aluminum electrolytic cell linings in the metallurgical industry.

Keyword：

Ceramic nozzle

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