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Technical Topics

Zirconium carbide powder Features

Author: langfeng Time: 2016-12-28

Changsha Langfeng Metallic Material Co.,Ltd.
Zirconium carbide, chemical formula ZrC, relative atomic weight 103.22, carbon 11.64%, belongs to the typical NaCl-type face-centered cubic structure, lattice constant 0.46930nm space group Fm3m, C atom and Zr atom radius ratio 0.481, less than 0.59, In the simple interstitial phase, the Zr atom forms a compact cubic lattice and the C atom is in the lattice octahedral gap. The zirconium carbide has a melting point of 3540 ° C, a theoretical density of 6.73 g / cm 3, a coefficient of linear expansion of 7.2 × 10 -6 K-1, a microhardness of 2600 kg / mm 2 and a resistivity of 57-75 / μΩ · cm. 1100 ~ 1400 ℃, insoluble in hydrochloric acid, but soluble in nitric acid.
Zirconium carbide powder with high purity, small particle size, uniform distribution, large surface area, high surface activity, low bulk density. With high temperature, oxidation resistance, high strength, high hardness, good thermal conductivity, good toughness characteristics. It is an important high melting point, high strength and corrosion-resistant high-temperature structural materials, and has a highly efficient absorption of visible light, reflected infrared and energy storage characteristics.
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