Zirconium nitride
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| Template:Longitem | ZrN[1] |
| Molar mass | Template:Chem molar mass |
| Appearance | Yellow-brown crystals |
| Odor | Odorless |
| Density | 7.09 g/cm3 (24 °C)[1] |
| Melting point | Template:Chembox CalcTemperatures |
| Solubility | Soluble in concentrated HF, acids[1] |
| Template:Longitem | Cubic, cF8[2] |
| Template:Longitem | Fm3m, No. 225[2] |
| Template:Longitem | a = 4.5675 Å[2] α = 90°, β = 90°, γ = 90°
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| Template:Longitem | Octahedral[2] |
| Template:Longitem | 40.442 J/(mol·K)[3] |
| Template:Longitem | 38.83 J/(mol·K)[3] |
| Template:Longitem | −365.26 kJ/mol[3] |
| Template:Longitem | Tantalum carbide Niobium carbide Zirconium carbide |
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Zirconium nitride (Template:Chem2) is an inorganic compound used in a variety of ways due to its properties.
Properties
ZrN grown by physical vapor deposition (PVD) is a light gold color similar to elemental gold. ZrN has a room-temperature electrical resistivity of 12.0 μΩ·cm, a temperature coefficient of resistivity of 5.6·10−8 Ω·cm/K, a superconducting transition temperature of 10.4 K, and a relaxed lattice parameter of 0.4575 nm. The hardness of single-crystal ZrN is 22.7±1.7 GPa and elastic modulus is 450 GPa.[4]
Uses
Zirconium nitride is a hard ceramic material similar to titanium nitride and is a cement-like refractory material. Thus it is used in cermets and laboratory crucibles. When applied using the physical vapor deposition coating process it is commonly used for coating medical devices,[5] industrial parts (notably drill bits), automotive and aerospace components and other parts subject to high wear and corrosive environments.
Zirconium nitride was suggested as a hydrogen peroxide fuel tank liner for rockets and aircraft.[6]
References
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- ↑ a b c d Template:CRC90
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- ↑ a b c Zirconium nitride in Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD) (retrieved 2014-06-30)
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- ↑ <templatestyles src="Citation/styles.css"/>Template:Citation/make link, Yousefiani, Ali, "Coating for components requiring hydrogen peroxide compatibility", published Script error: No such module "auto date formatter"., assigned to Boeing Co.Script error: No such module "Check for unknown parameters".
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