Deposition of Fe-based metallic glass coatings by Air Plasma Spraying process
by Fuping Li, Jinshan Li, Hongchao Kou, Chaoping Jiang, Xiangyi Xue, Hengzhi Fu
International Journal of Surface Science and Engineering (IJSURFSE), Vol. 4, No. 3, 2010

Abstract: Fe-based metallic glass coatings were prepared on Ti–3Al–5Mo–5V–4Cr–2Zr substrate by Air Plasma Spraying (APS). The effect of spraying power (arc current) on amorphous phase content and properties of the coatings was investigated. It was revealed that the coating sprayed at arc current of 150 A was nearly fully amorphous although the spraying powders were not. The amorphous phase content in the coatings decreased with increasing arc current. Vickers microhardness and corrosion behaviour of the sprayed coatings were also studied. The highest cross-section microhardness of the coatings was Hv0.05908, roughly three times as high as that of the substrate. The coating sprayed at arc current of 300 A exhibited the best excellent corrosion resistance.

Online publication date: Fri, 14-May-2010

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