ZrC Powder, 99.5%, 75um
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Detailed
Specification：
Product Name: Zirconium Carbide Powder
Other Names: Zirconiumcarbidemicronblackpowder; methane - zirconium (1:1); carbon(-4) anion; zirconium(+4) cation
CAS Number: 12070-14-3
EINECS：235-125-1
Features:
TiB2, ZrB2, HfB2, VB2, NbB, NbB2, TaB, TaB2, CrB2, Mo2B5, W2B5, Fe2B, FeB, CoB, Co2B, NiB, Ni2B, Ni2B, LaB6, UB4, UB2.
Zirconium carbide (ZrC) is an extremely hard refractory ceramic material, commercially used in tool bits for cutting tools. It is usually processed by sintering.
Properties:
Appearance: Gray Refractory Solid
Phase: Solid
Molecular Formula: ZrC
Molecular Weight: 103.2347
Melting Point: 3,532–3,540 °C (6,390–6,404 °F; 3,805–3,813 K)
Boiling point: 5,100 °C (9,210 °F; 5,370 K)
Density: 6.73 g/cm3 (24 °C)
Molar mass: 103.23 g mol−1
Applications:
Zirconium carbide is made by carbo-thermal reduction of zirconia by graphite. Densified ZrC is made by sintering powder of ZrC at upwards of 2000 °C. Hot pressing of ZrC can bring down the sintering temperature consequently helps in producing fine grained fully densified ZrC. Spark plasma sintering also has been used to produce fully densified ZrC.
Poor oxidation resistance over 800 °C limits the applications of ZrC. One way to improve the oxidation resistance of ZrC is to make composites. Important composites proposed are ZrC-ZrB2 and ZrC-ZrB2-SiC composite. These composites can work up to 1800 °C.