Niobium carbide powder is light brown and has a metallic luster. In industrial applications, niobium carbide powder can be used to manufacture cermet, heat-resistant alloys and cemented carbide, and can also be used as an additive to cemented carbide, which can significantly improve the thermal hardness and thermal shock resistance, thermal compression resistance, and oxidation resistance of cemented carbide. In addition, niobium carbide can also be used to make cutting tools, with good thermal hardness, thermal shock resistance and thermal oxidation resistance.
Niobium Carbide Powder Chemical Composition (%) | ||
Chemical composition | NbC-1 | NbC-2 |
CT | ≥11.0 | ≥10.0 |
CF | ≤0.10 | ≤0.3 |
Fe | ≤0.1 | ≤0.1 |
Si | ≤0.04 | ≤0.05 |
Al | ≤0.02 | ≤0.02 |
Ti | - | ≤0.01 |
W | - | ≤0.01 |
Mo | - | ≤0.01 |
Ta | ≤0.5 | ≤0.25 |
O | ≤0.2 | ≤0.3 |
N | ≤0.05 | ≤0.05 |
Cu | ≤0.01 | ≤0.01 |
Zr | - | ≤0.01 |
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