Why does chromium carbide have hardness

What is chromium carbide?

Chromium carbide ( Cr3C2) is grey powder with metal appeal; Orthorhombic system; The density is 6.68 g/cm3; The melting point is 1890 ℃ and the boiling point is 3800 ℃. It has great wear resistance, deterioration resistance and also oxidation resistance at high temperature (1000 ~ 1100 ℃). Belonging to a cermet.

Specifically chromium carbide has numerous exceptional residential properties, such as solid chemical stability, high firmness at room temperature and thermal solidity, great resistance to acid and also alkali deterioration, good wear resistance, high melting factor, and excellent wettability with metals such as and also. In the metal carbide, the oxidation resistance of zui is high, and the oxidation temperature is as high as. When chromium is made use of as a prevention, the grain growth of cemented carbide can be effectively managed. In addition, chromium carbide is not only an additive of explosive bonding product with excellent wear resistance as well as a top notch cermet basic material. It can likewise be used as splashing powder. As an example, splashing powder has excellent corrosion, oxidation, and wear resistance at heats. Due to its excellent attributes, chromium carbide has actually been extensively used in the metallurgical industry, electronic industry, high-temperature immune layer, aerospace, and other areas.

Chromium carbide has high solidity, high melting factor, high flexible modulus, chemical rust resistance, and also wear resistance as well as has turned into one of the commonly utilized metal carbides. In reducing devices, chromium carbide powder generally plays an important duty as a surface layer. In Fe-Cr-C alloy, chromium carbide is a vital rainfall stage, offering the product excellent wear resistance. Chromium is an essential wear-resistant phase, while hardness, as a significant mechanical specification in the style of wear-resistant products, has yet to get a relatively precise result.

Chromium carbide (CnC) has a low solidity of 1710 and also a density of 6.68 g. m), a thermal development 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 space temperature level, thermal solidity, and also excellent wettability with metals such as CoNi. It is used in steel 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 metal, chromium oxide as well as carbon is prepared as well as then loaded right into a vacuum cleaner heating system. The pressure in the heater is lowered and also the temperature raised to 1500°& deg; C. The carbon reacts with the chromium oxide to develop chromium metal and carbon monoxide gas, which is attracted off right into the air pump. The chromium metal then incorporates with the remaining carbon to create the chromium carbide

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

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