Refractory Metal Coatings by the Fused Salt Method.

摘要

Deposition of the individual elements,Cr,Ti and Si,on Cb752and D43 columbium alloys was accomplished from fused salt baths by electrolytic and non-electrolytic techniques. Thermodynamic and kinetic considerations limit the order in which these individual elements may be applied to form a complex coating. The order of deposition found most practical in the formation of a chromium-titanium-silicon coating was Cr,then Si,then Ti. A diffustion treatment followed depostion in this sequence producing primarily the M5Si3silicide. Codeposition of Cr and Ti proved essentially impossible by electrolytic or nonelectrolytic processes. (Author)