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 point is 1890 ℃ as well as the boiling point is 3800 ℃. It has great wear resistance, deterioration resistance as well as oxidation resistance at high temperature (1000 ~ 1100 ℃). Coming from a cermet.

Specifically chromium carbide has numerous superb residential properties, such as solid chemical security, high firmness at space temperature level as well as thermal solidity, great resistance to acid and alkali deterioration, excellent wear resistance, high melting factor, and also great wettability with steels 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 development of cemented carbide can be successfully regulated. Moreover, chromium carbide is not only an additive of explosive bonding material with great wear resistance and a high-quality cermet raw product. It can additionally be utilized as splashing powder. For instance, splashing powder has good deterioration, oxidation, and wear resistance at high temperatures. Since of its excellent characteristics, chromium carbide has been commonly utilized in the metallurgical sector, electronic market, high-temperature resistant layer, aerospace, and also other areas.

Chromium carbide has high hardness, high melting factor, high elastic modulus, chemical rust resistance, as well as wear resistance as well as has actually become one of the extensively made use of steel carbides. In reducing devices, chromium carbide powder typically plays a vital role as a surface area finishing. In Fe-Cr-C alloy, chromium carbide is a critical precipitation phase, offering the product excellent wear resistance. Chromium is an essential wear-resistant stage, while hardness, as a significant mechanical criterion in the design of wear-resistant materials, has yet to obtain a fairly exact outcome.

Chromium carbide (CnC) has a low hardness of 1710 as well as a thickness of 6.68 g. m), a thermal growth 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 room temperature, thermal solidity, and also good wettability with steels such as CoNi. It is made use of in steel mold and mildew compounds.

Making chromium carbide by a combination of aluminothermic decrease as well as vacuum cleaner furnacing at temperatures of 1500°& deg; C and also above. A blend of chromium steel, chromium oxide and also carbon is prepared as well as then filled right into a vacuum furnace. The pressure in the furnace is reduced and the temperature level raised to 1500°& deg; C. The carbon reacts with the chromium oxide to form chromium steel and also carbon monoxide gas, which is attracted off right into the air pump. The chromium metal then combines with the remaining carbon to develop the chromium carbide

The marketplace rate of Chromium carbide is affected by numerous aspects. Currently, its market price remains in the process of dynamic modification. If you require it, please call us at any time.

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