Reciprocating sliding wear behavior of laser-clad small amplitude Mo<sub>2</sub>Ni<sub>3</sub>Si/NiSi metal silicide composite coatings期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Reciprocating sliding wear behavior of laser-clad small amplitude Mo₂Ni₃Si/NiSi metal silicide composite coatings

Authors:	XD Lu HM Wang ZR Zhou

Affiliation:	^aLaboratory of Laser Materials Processing and Surface Engineering, Beihang University (formerly Beijing University of Aeronautics and Astronautics), Beijing 100083, China ^bTribology Research Institute, Southwest Jiaotong University, Chengdu 610031, China

Abstract:	Mo₂Ni₃Si/NiSi metal silicide composite coatings with a fine microstructure consisting of Mo₂Ni₃Si primary dendrites and the interdendritic Mo₂Ni₃Si/NiSi eutectics were fabricated on austenitic stainless steel AISI 321 by laser cladding process. Small amplitude reciprocating sliding wear resistance of the coatings is evaluated as functions of normal load and slip amplitude and the wear mechanisms were discussed based on worn surface morphology observations. Results showed that the Mo₂Ni₃Si/NiSi coatings have excellent small amplitude reciprocating sliding wear resistance.

Keywords:	Metal silicide Reciprocating sliding wear Coatings Laser cladding
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