期刊
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷 22, 期 9, 页码 2171-2178出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S1003-6326(11)61445-3
关键词
titanium; Fe-based coating; laser cladding; wear
资金
- National Natural Science Foundation of China [51045004]
- Hi-tech Research and Development Program of China [2006AA03A219]
- Knowledge Innovation Project in Chinese Academy of Sciences [YYYJ-0913]
Fe-based coating was produced on pure Ti substrate by the laser cladding technology. The composition and microstructure of the fabricated coating were analyzed by scanning electron microscopy (SEM), X-ray diffraction (XRD) and transmission electron microscopy (TEM) technique. The tribological properties were tested through sliding against AISI52100 steel ball at different normal loads and sliding speeds. Besides, the morphologies of the worn surfaces and wear debris were analyzed by scanning electron microscopy (SEM) and three dimensional (3D) non-contact surface mapping. The results show that the prepared Fe-based coating has a high hardness of about 860 HV0.2 and exhibits an average wear rate of (0.70-2.32) x10(-6) mm(3)/(N.m), showing that the Fe-based coating can greatly improve the wear resistance of pure Ti substrate. The wear mechanism of the coating involves moderate adhesive and abrasive wear.
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