Article ID Journal Published Year Pages File Type
1624087 Journal of Alloys and Compounds 2009 5 Pages PDF
Abstract

Amorphous steel coating with a composition of Fe48Cr15Mo14C15B6Y2 was prepared by means of high velocity oxygen fuel (HVOF) thermal spraying. Microstructural analysis gives the information about porosity, oxidation and nanocrystal precipitation. Properties including the hardness, wear, corrosion and magnetic behaviors of the coating were examined. It was shown that the microhardness and wear resistance of the coating are superior to those of electroplated Cr and Ni-based amorphous coating. In 1 M HCl aqueous solution, the coating demonstrated a low passive current density, a wide passive region and the same transpassive potential as bulk amorphous sample. Furthermore, the coating remained paramagnetic attribute in room temperature.

Related Topics
Physical Sciences and Engineering Materials Science Metals and Alloys
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