Zirconium nitride compounds have various crystal structures depending on the composition. For example, in the Zr-N alloy system, the alloy compounds found are ZrN, O-ZrN and C-ZrN. They not only have excellent chemical properties, but also can be used in Josephson junctions, diffusion stacks, cryogenic thermometers, etc. They can also be used in three-dimensionally integrated electrical coils and metal-based transistors. At the same time, these Zr-N compounds are superior to pure zirconium in terms of wear resistance, oxidation resistance, and corrosion resistance, and have a higher superconducting critical temperature, so they may become very good superconductors and have high application value .
Chemical Abstracts Service number: 25658-42-8; eine cs 247-166-2; physical density 7.09; microhardness about 9800-19600 MPa. Melting point (2980±50)°C. ; Insoluble in water, slightly soluble in inorganic acids, soluble in concentrated sulfuric acid, hydrofluoric acid and aqua regia.
Zirconium nitride has excellent corrosion resistance, high hardness, good lubricity and ductility. These properties also make it an attractive coating material. These coatings are deposited by physical vapor deposition.
Application:
1. Used as a hard coating for mechanical tools such as drill bits and burrs. 2. Zirconium nitride is a hard ceramic material similar to titanium nitride and a refractory material similar to cement. Therefore, it is used in refractories, cermets and laboratory crucibles. 3. When the physical vapor deposition coating process is used, it is usually used to coat components in high wear and corrosion environments, such as medical equipment, industrial components, automotive and aerospace components. 4. Used for hardware, building materials, bathroom and other daily hardware accessories.
Zirconium nitride is an important metal material in modern industry. Zirconium (including hafnium) has outstanding plasticity; its anti-corrosion function exceeds that of titanium, and it can resist the corrosion of various concentrations of nitric acid and sulfuric acid below 50% at 100°C. Zirconium and hafnium also have special nuclear functions and good radiation resistance. Zirconium has excellent availability at high temperatures. Zirconium is widely used in atomic energy, electronics, metallurgy, chemical industry, medical treatment, leather and other industrial sectors.
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