Zirconium carbide powder Features

2023-01-06 12:04:24
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.

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