Why does chromium carbide have hardness

What is chromium carbide?

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

Especially chromium carbide has numerous superb properties, such as strong chemical security, high firmness at room temperature level and also thermal solidity, excellent resistance to acid and also alkali corrosion, excellent wear resistance, high melting point, as well as excellent wettability with metals such as and. In the metal carbide, the oxidation resistance of zui is high, as well as the oxidation temperature is as high as. When chromium is utilized as a prevention, the grain growth of concrete carbide can be efficiently controlled. Additionally, chromium carbide is not just an additive of eruptive bonding product with good wear resistance and also a top quality cermet basic material. It can likewise be utilized as splashing powder. As an example, splashing powder has excellent rust, oxidation, and wear resistance at heats. As a result of its excellent features, chromium carbide has actually been extensively utilized in the metallurgical market, digital industry, high-temperature resistant finishing, aerospace, and also other fields.

Chromium carbide has high firmness, high melting factor, high elastic modulus, chemical rust resistance, and use resistance and has actually ended up being one of the extensively used steel carbides. In cutting devices, chromium carbide powder typically plays a vital function as a surface area coating. In Fe-Cr-C alloy, chromium carbide is a critical precipitation phase, offering the material excellent wear resistance. Chromium is an essential wear-resistant stage, while hardness, as a substantial mechanical specification in the design of wear-resistant materials, has yet to obtain a reasonably exact result.

Chromium carbide (CnC) has a reduced hardness of 1710 and 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 primary characteristics are that the carbide has a high area temperature level, thermal hardness, as well as great wettability with metals such as CoNi. It is made use of in metal mold and mildew compounds.

Producing chromium carbide by a mix of aluminothermic reduction and also vacuum furnacing at temperature levels of 1500°& deg; C and over. A mix of chromium metal, chromium oxide and also carbon is prepared as well as then packed right into a vacuum heating system. The pressure in the heater is lowered as well as the temperature level enhanced to 1500°& deg; C. The carbon responds with the chromium oxide to develop chromium metal and also carbon monoxide gas, which is attracted off right into the vacuum pumps. The chromium metal then combines with the remaining carbon to develop the chromium carbide

The marketplace rate of Chromium carbide is impacted by numerous elements. Presently, its market value remains in the process of dynamic change. If you need it, please contact us any time.

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