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Tanury's CrN is a wear resistant chromium nitride
(CrN) coating produced with the proprietary cathodic arc physical vapor
deposition (PVD) process.
The greater coating thickness of TPVD CrN provides
superior performance and toughness over other PVD and CVD coatings in
wear applications. It has better corrosion resistance than TiN, especially
in aqueous solutions. The CrN coating can be used as a direct substitute
for other surface enhancement techniques, such as chromium plating, ion
nitriding, chemical vapor deposition (CVD) and the thermal diffusion process.
TPVD CrN is twice as hard as conventional hard chrome plating. The high
hardness, low coefficient of friction and low residual stress levels of
the TPVD CrN coating combine to resist abrasive wear, metal-on-metal wear,
and galling.
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