Why does chromium carbide have hardness

What is chromium carbide?

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

Especially chromium carbide has several superb residential properties, such as strong chemical stability, high firmness at area temperature and thermal solidity, excellent resistance to acid and also alkali rust, great wear resistance, high melting factor, and great wettability with metals such as and also. In the metal carbide, the oxidation resistance of zui is high, as well as the oxidation temperature level is as high as. When chromium is made use of as a prevention, the grain development of concrete carbide can be properly managed. Moreover, chromium carbide is not just an additive of eruptive bonding material with great wear resistance and a top notch cermet raw material. It can likewise be utilized as spraying powder. For instance, spraying powder has excellent rust, oxidation, as well as use resistance at high temperatures. Since of its outstanding attributes, chromium carbide has actually been widely made use of in the metallurgical market, digital market, high-temperature immune finish, aerospace, as well as various other fields.

Chromium carbide has high hardness, high melting point, high elastic modulus, chemical corrosion resistance, and use resistance and has actually turned into one of the widely used metal carbides. In reducing devices, chromium carbide powder usually plays a vital function as a surface finishing. In Fe-Cr-C alloy, chromium carbide is a vital precipitation phase, giving the product outstanding wear resistance. Chromium is an important wear-resistant phase, while solidity, as a significant mechanical parameter in the design of wear-resistant products, has yet to get a relatively exact result.

Chromium carbide (CnC) has a low hardness of 1710 as well as a density of 6.68 g. m), a thermal expansion coefficient of 10.3 x 10 ~ K (20-100) and also a thermal conductivity of 19.1 W.m-+. K-1. Its main features are that the carbide has a high space temperature, thermal hardness, and great wettability with steels such as CoNi. It is made use of in metal mold compounds.

Producing chromium carbide by a mix of aluminothermic decrease and also vacuum furnacing at temperature levels of 1500°& deg; C and over. A mix of chromium metal, chromium oxide and carbon is ready and after that filled into a vacuum heater. The stress in the heating system is minimized as well as the temperature level boosted to 1500°& deg; C. The carbon responds with the chromium oxide to form chromium metal and carbon monoxide gas, which is attracted off into the air pump. The chromium metal then combines with the staying carbon to create the chromium carbide

The marketplace rate of Chromium carbide is influenced by numerous factors. Presently, its market rate remains in the procedure of dynamic adjustment. If you need it, please call us any time.

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