Abstract

Ion implantation has only limited potential as a corrosion protective treatment in high temperature technological applications. Far more important is the indirect contribution of ion implantation to corrosion science as a research tool to study the influence of various elements on the corrosion behaviour of materials. It can be a very efficient technique in the frame of screening tests for evaluating the effect of possible alloying additions in materials. Additionally, it can also play a role to study the underlying corrosion mechanisms. In the present paper this is illustrated with some high temperature corrosion studies. Notably, its use for studying the mechanisms underlying the so-called reactive element effect; for developing more corrosion resistant TiAl-based intermetallic alloys and to address mechanistic questions concerned with mixed oxidation/sulphidation. It is concluded that ion implantation is a powerful tool in high temperature corrosion studies, and can thus be very helpful for material development.

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