These observations suggest that this material has very good potential to form the basis for a practical, hard, corrosion-resistant, quasicrystal-reinforced, nano-composite, cold-spray coating.
The purpose of this research was to determine whether this nanocomposite material could form the basis of a hard, corrosion-resistant coating.
While especially hard coatings exhibit a high corrosion resistance for themselves, hard coating substrate systems may suffer from a severe corrosion attack due to the defects in the coating structure (pores, pinholes) resulting from the PVD-typical film morphology.
The results show that the hard and corrosion resistant carburised layers are effective in preventing surface plastic deformation, eliminating adhesive and severe abrasive wear.
In this study, aluminum oxide coatings were deposited on Al Si alloy substrates to produce hard and corrosion protective films using three different techniques: hard anodizing (HA), anodizing (A), and modified anodizing (MA).
Recently, this technology has been used for surface engineering applications in the deposition of hard and/or corrosion-resistant layers.
This paper presents a method, using low-temperature plasma-carburized processing, to produce a hard and corrosion-resistant layer for austenitic stainless steels.
However, if only the surface needs to be hard or corrosion-resistant, the desired performance can be obtained through a treatment that changes only the composition and strength of the surface.
Tantalum (Ta) is a rare, hard, highly corrosion-resistant, and bioinert metal [1 3].
Therefore, surface modification to form a hard, biocompatible and corrosion resistant modified layer has recently become an interesting topic in biomaterials.
