Why does chromium carbide have hardness

What is chromium carbide?

Chromium carbide ( Cr3C2) is gray powder with metal radiance; Orthorhombic system; The thickness is 6.68 g/cm3; The melting factor is 1890 ℃ as well as the boiling point is 3800 ℃. It has excellent wear resistance, rust resistance and also oxidation resistance at high temperature level (1000 ~ 1100 ℃). Belonging to a cermet.

Specifically chromium carbide has many excellent residential properties, such as strong chemical stability, high firmness at area temperature and thermal firmness, good resistance to acid as well as alkali deterioration, good wear resistance, high melting point, as well as good wettability with steels such as and also. In the metal carbide, the oxidation resistance of zui is high, and also the oxidation temperature is as high as. When chromium is utilized as an inhibitor, the grain development of concrete carbide can be efficiently regulated. Additionally, chromium carbide is not just an additive of eruptive bonding material with great wear resistance and a top quality cermet raw material. It can likewise be used as splashing powder. As an example, splashing powder has excellent corrosion, oxidation, and put on resistance at high temperatures. As a result of its excellent characteristics, chromium carbide has actually been widely used in the metallurgical market, electronic industry, high-temperature resistant layer, aerospace, and also various other fields.

Chromium carbide has high hardness, high melting point, high flexible modulus, chemical rust resistance, and also use resistance as well as has actually turned into one of the widely used metal carbides. In reducing tools, chromium carbide powder generally plays a vital function as a surface covering. In Fe-Cr-C alloy, chromium carbide is an important rainfall stage, giving the material exceptional wear resistance. Chromium is a critical wear-resistant phase, while solidity, as a substantial mechanical criterion in the layout of wear-resistant products, has yet to obtain a fairly accurate outcome.

Chromium carbide (CnC) has a reduced firmness of 1710 and a thickness of 6.68 g. m), a thermal expansion coefficient of 10.3 x 10 ~ K (20-100) and a thermal conductivity of 19.1 W.m-+. K-1. Its primary features are that the carbide has a high space temperature, thermal firmness, as well as great wettability with metals such as CoNi. It is utilized in metal mold and mildew compounds.

Making chromium carbide by a mix of aluminothermic reduction and vacuum cleaner furnacing at temperatures of 1500°& deg; C and above. A blend of chromium metal, chromium oxide and also carbon is prepared and after that packed into a vacuum heater. The stress in the heating system is minimized as well as the temperature level enhanced to 1500°& deg; C. The carbon responds with the chromium oxide to form chromium steel and also carbon monoxide gas, which is drained into the air pump. The chromium metal then integrates with the continuing to be carbon to form the chromium carbide

The market cost of Chromium carbide is affected by various factors. Presently, its market value remains in the procedure of vibrant modification. If you require it, please call us at any time.

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