Silicon nitride heat shield (exhaust shield)

Insulativity

High toughness

Highly anticoagulant

High strength

Thermal shock resistance

Overview
Specification
FAQ

Sintering furnace industry


The high-voltage electrode heat shield for polysilicon reduction furnace/nitriding furnace is made of silicon nitride material, which has good insulation, high toughness, high retting resistance, high strength, and thermal shock resistance. It can prevent the electrode from being damaged during operation. It has a service life more than 10 times longer than similar products made of alumina, and its comprehensive benefits are increased by 3 times.


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What is Silicon Nitride used for?

-Rotating ball bearings and rollers bearings
-Cutting tools
-Engine components: valves, rocker arm pads, and seal faces
-Induction heating coil supports
-Turbine blades, vanes, and buckets
-Welding and brazing jigs
-Heating Element components
-Crucibles
-Metal tube forming rolls and dies
-TIG / Plasma welding nozzles
-Weld positioners
-Precision shafts and axles in high
-wear environments
-Thermocouple sheaths and tubes
-Semiconductor Process Equipment

What are the advantages of Silicon Nitride?

Compared with other technical ceramics, the low thermal expansion coefficient of Silicon Nitride provides good thermal shock resistance. It is extremely hard, fracture-tough, surpasses the high temperature capabilities of most metals, and also has a superior oxidation resistance. As a consequence, silicon nitride can withstand the toughest conditions in the most demanding high-temperature and high-load applications.

What is the formula for Silicon Nitride?

The formula for silicon nitride is Si3N4.

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