Why does chromium carbide have hardness

What is chromium carbide?

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

Particularly chromium carbide has several superb buildings, such as strong chemical security, high firmness at room temperature level and also thermal firmness, great resistance to acid and alkali corrosion, great wear resistance, high melting factor, and also good wettability with steels such as and also. In the steel carbide, the oxidation resistance of zui is high, as well as the oxidation temperature is as high as. When chromium is utilized as an inhibitor, the grain development of concrete carbide can be properly managed. Moreover, chromium carbide is not just an additive of explosive bonding product with good wear resistance as well as a high-grade cermet basic material. It can also be made use of as splashing powder. For example, spraying powder has excellent deterioration, oxidation, and put on resistance at high temperatures. As a result of its superb attributes, chromium carbide has actually been extensively made use of in the metallurgical sector, digital industry, high-temperature resistant coating, aerospace, and also other areas.

Chromium carbide has high solidity, high melting point, high flexible modulus, chemical corrosion resistance, and use resistance and has actually turned into one of the commonly made use of steel carbides. In reducing devices, chromium carbide powder normally plays a crucial function as a surface finish. In Fe-Cr-C alloy, chromium carbide is an important rainfall stage, giving the product excellent wear resistance. Chromium is a crucial wear-resistant phase, while solidity, as a considerable mechanical criterion in the layout of wear-resistant products, has yet to get a fairly exact result.

Chromium carbide (CnC) has a low solidity of 1710 and a thickness of 6.68 g. m), a thermal growth coefficient of 10.3 x 10 ~ K (20-100) and a thermal conductivity of 19.1 W.m-+. K-1. Its major attributes are that the carbide has a high area temperature, thermal hardness, and good wettability with steels such as CoNi. It is utilized in metal mold and mildew compounds.

Making chromium carbide by a combination of aluminothermic reduction and vacuum cleaner furnacing at temperatures of 1500°& deg; C and also above. A blend of chromium metal, chromium oxide and also carbon is prepared and afterwards packed into a vacuum furnace. The stress in the furnace is decreased and also the temperature enhanced to 1500°& deg; C. The carbon reacts with the chromium oxide to create chromium steel as well as carbon monoxide, which is drained into the vacuum pumps. The chromium metal then incorporates with the continuing to be carbon to form the chromium carbide

The market price of Chromium carbide is affected by different aspects. Presently, its market value remains in the procedure of dynamic modification. If you require it, please call us any time.

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