Why does chromium carbide have hardness

What is chromium carbide?

Chromium carbide ( Cr3C2) is gray powder with metallic radiance; Orthorhombic system; The thickness is 6.68 g/cm3; The melting point is 1890 ℃ and the boiling point is 3800 ℃. It has excellent wear resistance, corrosion resistance and oxidation resistance at high temperature (1000 ~ 1100 ℃). Coming from a cermet.

Particularly chromium carbide has several exceptional buildings, such as strong chemical security, high solidity at room temperature level and also thermal firmness, excellent resistance to acid as well as alkali deterioration, good wear resistance, high melting point, and also good wettability with steels such as and also. In the metal carbide, the oxidation resistance of zui is high, and the oxidation temperature level is as high as. When chromium is utilized as a prevention, the grain development of concrete carbide can be successfully managed. In addition, chromium carbide is not just an additive of eruptive bonding material with great wear resistance and also a high-grade cermet raw material. It can additionally be used as spraying powder. For instance, spraying powder has good corrosion, oxidation, and put on resistance at high temperatures. Due to its exceptional characteristics, chromium carbide has actually been widely utilized in the metallurgical sector, digital sector, high-temperature immune coating, aerospace, and also other areas.

Chromium carbide has high hardness, high melting point, high flexible modulus, chemical deterioration resistance, and also put on resistance and has become one of the commonly utilized steel carbides. In cutting devices, chromium carbide powder typically plays a crucial duty as a surface finish. In Fe-Cr-C alloy, chromium carbide is a crucial precipitation phase, giving the material outstanding wear resistance. Chromium is an important wear-resistant stage, while solidity, as a substantial mechanical specification in the design of wear-resistant materials, has yet to obtain a fairly accurate result.

Chromium carbide (CnC) has a reduced hardness of 1710 as well as a density of 6.68 g. m), a thermal growth coefficient of 10.3 x 10 ~ K (20-100) and also a thermal conductivity of 19.1 W.m-+. K-1. Its main characteristics are that the carbide has a high space temperature level, thermal hardness, and also good wettability with metals such as CoNi. It is used in metal mold and mildew compounds.

Making chromium carbide by a combination of aluminothermic reduction and vacuum furnacing at temperatures of 1500°& deg; C and also above. A mix of chromium steel, chromium oxide and also carbon is prepared and after that loaded into a vacuum heater. The stress in the heating system is reduced and the temperature boosted to 1500°& deg; C. The carbon reacts with the chromium oxide to form chromium metal as well as carbon monoxide, which is attracted off right into the air pump. The chromium steel then combines with the staying carbon to create the chromium carbide

The market rate of Chromium carbide is impacted by numerous elements. Presently, its market value remains in the procedure of dynamic adjustment. If you need it, please call us at any moment.

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