Cermets are usually ceramic phases of high melting point oxides, such as Al2O3, BeO and ZrO3. ), nitrides (TiN, BN, Si3N4, etc. ), carbides (TiC, WC, etc. ), borides (TiB2, ZrB2, etc.) The metal phase consists mainly of Ti and Cr. It can also include other metals such as Co, Fe, Ni and NiCo.
Based on the ceramic phase, Cermets are classified into oxide-based (or carbide-based), carbonitride base, boride base, graphite or diamond carbide-based.
Ceramic Powder Properties
Ceramic powder, a hybrid material for high temperatures, combines metals’ toughness and plasticity with ceramics’ high melting point and corrosion resistance.It is resistant to high heat, and it can maintain its strength at temperatures up to 1200degC. After being heated it does not melt and does not 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. AerospaceAerospace 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 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 metallurgy, the wear resistant high temperature and temperature resistant parts are used in machinery and electronics industries.
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