Explain the main use of chromium carbide?
Release time:
2022-11-02 10:12
Source:
The application range of chromium carbide is very wide, we must know its characteristics before use, so that we can better apply it. If you are interested in this topic, then take a look at it together, hoping to help some relevant people.
Chromium carbide is widely used in various industries, so its use is certainly very extensive. In simple terms, chromium carbide is a ceramic compound with a variety of chemical compositions: Cr3C2, Cr7C3 and Cr23C6. Under standard conditions, it is present as a gray solid. It is very hard and corrosion resistant. It is also a fire-resistant compound, which means that it maintains its strength even at high temperatures. These properties make it useful as an additive to metal alloys. When the chromium carbide crystal is bonded to the metal surface, it improves the wear resistance and corrosion resistance of the metal during use, and maintains these properties at high temperatures. For this purpose, the hard and commonly used component is Cr3C2. In addition, in fact, the cultivation point of the product is low, 1710, and the density is 6.68g.m). Thermal expansion coefficient 10.3x 10 ~ K(20-100) Thermal conductivity 19.1W.m-. K-1. Chromium carbide is mainly characterized by high temperature hardness and thermal hardness of carbide complexes, good wettability with metals such as CoNi, and high oxidation resistance of metal compounds when used. Excellent corrosion resistance.
Chromium carbide is a kind of material with excellent high temperature oxidation resistance, friction and wear resistance and gas corrosion resistance. Therefore, it is mainly used for high temperature resistant coatings, but the adhesion of direct spraying chromium carbide coatings is poor. Therefore, it is mainly used as the main raw material component for the preparation of NiCr-CrC2 composite powder. In addition, it can also be used for surface treatment of metal parts. Chromium carbide is used to coat the surface of another metal in a technique called thermal spraying. The powder is mixed with solid nickel chromium. This mixture is then heated to a very high temperature and sprayed onto the object to be coated, thereby forming a protective layer. Chromium carbide This layer is essentially its own metal matrix composite material. When used, it is also mainly composed of hard ceramic particles embedded in a nickel-chromium matrix. The substrate itself contributes to the corrosion resistance of the coating, as the metallic form of nickel-chromium is corrosion resistant. After the overspray coating, the coating part is subjected to diffusion heat treatment to achieve an effect in terms of coupling strength and hardness with the base metal. Another technique employs chromium carbide in the form of a cover plate. These are prefabricated chromium carbide coated steel plates designed to be welded to existing structures or machines to improve performance.
The above is the basic introduction of the main use of chromium carbide, I hope to help everyone. If you have purchasing problems, you can directly call our national free customer service hotline, you are welcome to come here for on-the-spot investigation. There are still places you don't understand that you can come here for consultation.
Chromium carbide
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