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Zirconium Carbide (ZrC)

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Zirconium Carbide (ZrC)

Zirconium Carbide (ZrC)
Zirconium Carbide (ZrC)
Specification
Appearance:gray metallic powder
Molecular weight:103.22
Density:6.78 g/cm3
Melting point:3400 ℃
Boiling point:5100 ℃
Characteristic:Zirconium carbide is shaped with metal gray powder and has NaCl cubic system structure, based on which, it is featured with extremely high chemical stability and good high-temperature performance. Zirconium carbide, a kind of high-temperature structural material with high melting-point, strength and corrosion resistance performance, is featured with efficiency of absorbing visible light, reflecting infrared ray and storing energy and heat.
Application:

Zirconium Carbide is used extensively as coating of uranium dioxide and thorium dioxide particles of nuclear fuel. The coating is usually deposited by thermal chemical vapor deposition in a fluidized bed reactor. Hafnium-free zirconium carbide and niobium carbide can be used as refractory coatings in nuclear reactors. The mixture of zirconium carbide and tantalum carbide is an important ceramet material, which can make cutting tool, incandescent flame, and pyroconductor, etc.

Zirconium carbide specification
Chemical compositionContent (%)
ZrC≥98.0
Nb≤0.01
Ti≤0.01
Fe≤0.05
Al≤0.01
Si≤0.02
O≤0.80
N≤0.10
Na≤0.02
Ca≤0.02
W≤0.05
Ct (total carbon in the powder)≥11.2
Cf (free carbon in the powder)≤0.30
Particle size, FSSS (μm)1-3, or adjustable
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