Microstructure and tribological properties of laser clad Ni-Ag/Tic composite coating
作者： Liu Zhu , Laima Luo , Yucheng Wu , Jigui Cheng
DOI: 10.1007/S11595-014-0901-Z
关键词:
摘要: Ni-Ag/TiC composite coating was prepared on the 45 steel substrates by means of laser cladding. Microstructure and wear properties coatings were analyzed using optical microscopy, field emission scanning electron microscopy machine. The experimental results show that defects, such as cracks pores, do not occur in laser-cladded substrate, they present good metallurgical bonding between them. Compared with Ni/TiC coating, microhardness values two evident differences. experiment result shows coated Ag possesses low friction coefficient resistance compared coating.
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