High temperature diffusion chromizing as a successful method for CVD-diamond coating of steel-part II

摘要

Well adherent CVD-diamond coatings were deposited onto 41Cr4 steel substrate using chromium carbide diffusion interlayers. The influence of coating parameters on microstructure and composition of chromium carbide layer and substrate was investigated. In situ heat treatment allows for a variation of physical and mechanical properties of the substrate. We assume that the adhesion of CVD-diamond coating depends inter alia on the carbon concentration on top of chromium carbide layer. This possible effect is discussed as well.