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Plasma-assisted surface treatment of aluminium alloys to combat wear

F. Ashrafizadeh,     Isfahan University of Technology, Iran

Abstract:

Application of plasma to those metals with a stable, tenacious oxide film is a key factor in surface treatment to ensure sufficient adhesion of a coating to the substrate and acceptable performance of the coating. This chapter introduces typical metal and ceramic coatings produced by plasma-assisted processes on aluminium to enhance tribological properties. Hard ceramic coatings below a certain thickness have no beneficial effect, but thick coatings or the addition of a metal interlayer on aluminium will increase significantly their wear resistance. Use of duplex treatments incorporating PVD titanium, ...

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