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The Knowledge of Ceramic Powder Properties And Ceramic Powder Applications

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Ceramic powder A heterogeneous material composite composed of metal or an alloy, and one or more ceramic phases.
Cermets are usually ceramic phases of high melting point oxides, such as Al2O3, ZrO3, beO, and MgO. ), nitrides (TiN, BN, Si3N4, etc. ), carbides (TiC, WC, etc. ), borides (TiB2, ZrB2, etc.) The metal phase consists mainly of Ti and Cr. Other metals can be used, either alone or in combination, as well.

Based on the type of ceramic, cermets fall into five main categories: carbide, oxide, carbonitride, boride, graphite, or diamond carbide.

Ceramic Powder Properties

As a high temperature material between high-temperature materials and ceramics, ceramic powder combines both the high toughness of metals with the plasticity and high melting point of ceramics.

It is extremely resistant against high temperatures. The strength of ceramic powder can be maintained at 1200degC and above without deteriorating. It won’t melt when heated and won’t decompose till 1900degC. It is highly resistant to chemical corrosion, and at the same time, it’s a high-performance electrical insulating material.

Applications for Ceramic Powder

1. Aerospace
Aerospace cermets offer a lot of potential for further development, due to the harsh environment and technical requirements, such as high temperatures, wear resistance, strength, and stability. Ceramic powder can be used in the manufacture of stationary rings and valves for aerospace or aviation engines. It has excellent abrasion and high-temperature resistance.

2. Manufacturing and Processing Fields
The ceramic powder’s high hardness and wear resistance, as well as its good toughness, good bending strength and oxidation-resistance, make it an indispensable material in the manufacturing and processing industry, particularly in measuring and cutting tools.

3. Other areas
In addition to the high temperature and corrosion resistant ceramic powders used in the metallurgical and machinery industries, they are also used as high temperature crucibles or high temperature parts, high temperature and wear resistant components in the machinery sector, thermionic cascades in the electronics industry and many other applications.

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