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What is Silicon Nitride?

nitride Silicon
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What is Silicon Nitride?

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Silicon Nitride (Si3N4) is a relatively new member of the advanced ceramics family, having been developed in the 1960s. It is used in many varied applications, but lends itself particularly to applications where high temperatures are involved. This is not limited to continuous temperatures, as with many ceramics, but due to Si3N4s exceptional thermal shock resistance, it is also widely used in cyclic thermal applications, for example induction coil supports and fixtures. Silicon Nitride is also resistant to attack by many molten metals leading to its use in metal handling applications. What is so special about Silicon Nitride? • Manufacture by a range of methods to suit volumes from one-off requirements to very high volume applications • Excellent wear resistance/hardness • Low thermal expansion • Good chemical corrosion resistance • High temperature performance • Good thermal shock behaviour • Good flexural strength • Low weight • High Stiffness • Electrically insulating What are the

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