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Zirconium Carbide - High Hardness And Excellent High Temperature Refractory Material

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Update time : 2020-09-28 11:15:00

What is the property of zirconium carbide?

The zirconium carbide powder is gray-black with a NaCI-type face-centered cubic structure, and the lattice constant is 0.4685nm. Zirconium carbide is conductive, electronically conductive, and paramagnetic. In addition, ZrC powder has the characteristics of high melting point, high hardness, high stability, good thermal conductivity and high corrosion resistance.
Zirconium carbide is insoluble in water, soluble in HF, HNO3, and can form a solid solution with TiC, NbC, TaC, etc., and is very easy to oxidize at high temperatures. The oxidation reaction starts at 300°C. This temperature has nothing to do with oxygen partial pressure.

Zirconium carbide ceramic is a super hard material with good chemical stability, good high temperature resistance, corrosion resistance, and wear resistance. It is a good high temperature structural material, super hard tool material and surface protection material, and it also has excellent thermal conductivity , it has potential application value in cutting tool materials, armor materials, and hardfacing electrodes.

What is the application of zirconium carbide?

Zirconium carbide used in cemented carbide
Zirconium carbide is an important high-temperature structural material with high melting point, high strength and corrosion resistance, which can improve the strength and corrosion resistance of cemented carbide. Its excellent characteristics make it have a large application space in cemented carbide.

Zirconium carbide used in ceramic composite materials
As a strengthening phase, zirconium carbide can directly prevent the movement of dislocations or stabilize grain boundaries and sub-grain boundaries, and limit the slip or climbing of movable dislocations, thus improving the wear resistance and strength of the material, especially the high temperature creep resistance of the material. It has good application prospects.
Zirconium carbide is used for high temperature coating
Zirconium carbide has a high melting point and can form a dense oxide layer on the surface at ultra-high temperatures, reducing the diffusion rate of oxygen into the matrix and preventing further oxidation, so it can be used as a high-temperature coating and thermal insulation material.
Zirconium carbide is used in nuclear materials-barrier materials for coating nuclear fuel particles
In the atomic energy industry, SiC coatings are generally used for coated fuel particles in high-temperature gas-cooled reactors, but the SiC coatings will be thermally decomposed above 1700℃, and the phase transition from β-SiC to α-SiC will occur, and its mechanical properties will be rapid decline.
Zirconium carbide for functional materials
Zirconium carbide has the characteristics of efficiently absorbing visible light and reflecting infrared. When it absorbs 95% of the sunlight in the short-wavelength energy below 2μm, the energy can be stored in the material through thermal conversion, it also has the characteristic of reflecting infrared wavelengths exceeding 2μm.
Luoyang Trunnano Tech Co., Ltd (TRUNNANO) is a professional zirconium carbide with over 12 years experience in chemical products research and development. If you are looking for high quality zirconium carbide, please feel free to contact us and send an inquiry.
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