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Titanium nitride (TiN; sometimes known as tinite) is an extremely hard ceramic material, often used as a physical vapor deposition (PVD) coating on titanium alloys, steel, carbide, and aluminium components to improve the substrate's surface properties.
Titanium nitride (TiN) is a refractory solid exhibiting extreme hardness, thermal/electrical conductivity, and a high melting point. [13] TiN has a hardness equivalent to sapphire and carborundum (9.0 on the Mohs scale), [14] and is often used to coat cutting tools, such as drill bits. [15]
Carbonitriding is similar to gas carburization with the addition of ammonia to the carburizing atmosphere, which provides a source of nitrogen. Nitrogen is absorbed at the surface and diffuses into the workpiece along with carbon.
Phosphoryl nitride: PNO α-quartz, β-cristobalite, or moganite structure Titanium nickel oxynitride NiTiNO Chromium oxynitride Cr(N,O) galloaluminophosphate oxynitride AlGaPON [6] zinc oxynitride ZnON Titanium oxynitride TiO x N y [7] K 2 Ca 2 Ta 3 O 9 N·2H 2 O perovskite [2] K 2 LaTa 2 O 6 N·1.6H 2 O [2]
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The fundamental reasons why TiAlN coatings outperform pure Titanium nitride (TiN) coatings are considered to be: Increased oxidation resistance at elevated temperatures due to the formation of a protective aluminium-oxide layer at the surface; Increased hardness in the freshly deposited films due to micro-structure changes and solid solution ...
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Examples include semiconductor devices such as thin-film solar cells, [1] microelectromechanical devices such as thin film bulk acoustic resonator, aluminized PET film for food packaging and balloons, [2] and titanium nitride coated cutting tools for metalworking. Besides PVD tools for fabrication, special smaller tools used mainly for ...