Why does chromium carbide have hardness

What is chromium carbide?

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

Especially chromium carbide has lots of outstanding residential properties, such as solid chemical security, high hardness at space temperature level and thermal firmness, great resistance to acid as well as alkali rust, good wear resistance, high melting factor, and also good wettability with metals such as and. In the steel carbide, the oxidation resistance of zui is high, and also the oxidation temperature level is as high as. When chromium is utilized as an inhibitor, the grain development of cemented carbide can be properly managed. In addition, chromium carbide is not only an additive of eruptive bonding product with great wear resistance and also a top quality cermet resources. It can also be used as spraying powder. For example, splashing powder has good corrosion, oxidation, as well as wear resistance at high temperature levels. As a result of its outstanding qualities, chromium carbide has been extensively made use of in the metallurgical industry, electronic industry, high-temperature immune coating, aerospace, and other fields.

Chromium carbide has high firmness, high melting point, high flexible modulus, chemical rust resistance, and use resistance and has actually turned into one of the widely made use of steel carbides. In reducing tools, chromium carbide powder usually plays an important duty as a surface area coating. In Fe-Cr-C alloy, chromium carbide is a crucial precipitation phase, giving the material excellent wear resistance. Chromium is an essential wear-resistant stage, while hardness, as a considerable mechanical specification in the layout of wear-resistant products, has yet to get a reasonably exact result.

Chromium carbide (CnC) has a low 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 main qualities are that the carbide has a high area temperature level, thermal firmness, and also great wettability with metals such as CoNi. It is utilized in steel mold and mildew substances.

Making chromium carbide by a combination of aluminothermic decrease and also vacuum cleaner furnacing at temperature levels of 1500°& deg; C and also above. A mix of chromium steel, chromium oxide and also carbon is prepared and afterwards loaded into a vacuum cleaner furnace. The stress in the furnace is reduced as well as the temperature level enhanced to 1500°& deg; C. The carbon responds with the chromium oxide to create chromium metal as well as carbon monoxide gas, which is drained right into the vacuum cleaner pumps. The chromium steel then combines with the remaining carbon to develop the chromium carbide

The marketplace cost of Chromium carbide is affected by numerous factors. Currently, its market cost remains in the procedure of vibrant change. If you need it, please call us any time.

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