-containing composite coating was fabricated on pure Ti substrate by laser surface alloying. The microstructure of the composite coating was investigated by means of X-ray diffraction and scanning electron microscopy (SEM). The friction and wear properties of -containing composite coating sliding against a GCr15 steel ball at different normal loads and sliding speeds were evaluated. The morphologies of the worn surfaces were analyzed by means of SEM and three dimensional noncontact surface mapping. It is shown that the microhardness and wear resistance of the pure Ti substrate are greatly increased after laser surface alloying, due to the formation of hard phase in the composite coating. Pure Ti substrate sliding against the GCr15 counterpart ball at room temperature is dominated by adhesion wear, abrasive wear, and severe plastic deformation, while -containing composite coating involves only mild abrasive and fatigue wear when sliding against the GCr15 counterpart.
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e-mail: jszhou@lzb.ac.cn
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January 2011
Research Papers
Microstructure and Tribological Properties of -Containing Composite Coating Produced on Pure Ti Substrate by Laser Surface Alloying
Chun Guo,
Chun Guo
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, China
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Jiansong Zhou,
Jiansong Zhou
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
e-mail: jszhou@lzb.ac.cn
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, China
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Jierong Zhao,
Jierong Zhao
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, China
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Jianmin Chen
Jianmin Chen
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, China
Search for other works by this author on:
Chun Guo
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, China
Jiansong Zhou
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, Chinae-mail: jszhou@lzb.ac.cn
Jierong Zhao
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, China
Jianmin Chen
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,
Chinese Academy of Sciences
, No. 18, Tianshui Middle Road, Lanzhou 730000, ChinaJ. Tribol. Jan 2011, 133(1): 011301 (7 pages)
Published Online: December 15, 2010
Article history
Received:
July 8, 2010
Revised:
November 5, 2010
Online:
December 15, 2010
Published:
December 15, 2010
Citation
Guo, C., Zhou, J., Zhao, J., and Chen, J. (December 15, 2010). "Microstructure and Tribological Properties of -Containing Composite Coating Produced on Pure Ti Substrate by Laser Surface Alloying." ASME. J. Tribol. January 2011; 133(1): 011301. https://doi.org/10.1115/1.4003066
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