Why does chromium carbide have hardness

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What is chromium carbide?

Chromium carbide ( Cr3C2) is grey powder with metal luster; Orthorhombic system; The thickness is 6.68 g/cm3; The melting point is 1890 ℃ and also the boiling factor is 3800 ℃. It has excellent wear resistance, deterioration resistance and also oxidation resistance at heat (1000 ~ 1100 ℃). Coming from a cermet.

Especially chromium carbide has lots of superb properties, such as strong chemical security, high hardness at area temperature and thermal solidity, good resistance to acid and also alkali corrosion, great wear resistance, high melting point, and also great wettability with steels 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 concrete carbide can be successfully managed. In addition, chromium carbide is not just an additive of explosive bonding product with great wear resistance and a top quality cermet basic material. It can likewise be utilized as spraying powder. As an example, splashing powder has good corrosion, oxidation, as well as use resistance at high temperature levels. Due to its exceptional qualities, chromium carbide has actually been commonly made use of in the metallurgical sector, electronic market, high-temperature resistant layer, aerospace, as well as other areas.

Chromium carbide has high firmness, high melting factor, high flexible modulus, chemical rust resistance, and use resistance and also has actually come to be one of the widely made use of steel carbides. In cutting devices, chromium carbide powder typically plays a crucial duty as a surface coating. In Fe-Cr-C alloy, chromium carbide is a critical precipitation phase, offering the product exceptional wear resistance. Chromium is an important wear-resistant phase, while firmness, as a significant mechanical specification in the style of wear-resistant products, has yet to get a fairly precise result.

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

Making chromium carbide by a combination of aluminothermic decrease as well as vacuum cleaner furnacing at temperature levels of 1500°& deg; C and over. A mix of chromium steel, chromium oxide and also carbon is prepared and also then loaded into a vacuum heater. The stress in the heating system is lowered and the temperature boosted to 1500°& deg; C. The carbon reacts with the chromium oxide to develop chromium metal and also carbon monoxide gas, which is drained into the air pump. The chromium steel then combines with the remaining carbon to create the chromium carbide

The market cost of Chromium carbide is influenced by different elements. Presently, its market value is in the process of dynamic modification. If you require it, please contact us any time.

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