surface hardness is improved and increases the ability of the surface to retain
lubricants. Wear resistance and protection against seizure are thus improved.
Tidurdan
This process is applied to titanium. It involves electrolytic deposition followed
by a diffusion treatment during which the deposited material fully integrates
with the titanium. The result is a reduction in the coefficient of friction and a
reduction in scuffing.
Conversion coatings
Changes can be produced in the surface layers of some metals, e.g. aluminium,
magnesium and copper, by chemical or electro-chemical reactions. Such
treatments can improve wea ...
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