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Microstructure and high-temperature wear resistance of a laser surface alloyed γ-TiAl with carbon |
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| Authors: | Y Chen H M Wang |
| Institution: | Laboratory of Laser Materials Processing and Surface Engineering, School of Materials Science and Engineering, Beihang University (formerly Beijing University of Aeronautics and Astronautics), 37 XueYuan Road, Beijing 100083, PR China |
| Abstract: | TiC reinforced composite coating on γ-TiAl alloy was successfully fabricated by laser surface alloying with carbon. The fine TiC reinforcing phase had a gradient distribution in the coating, and its growth morphology of TiC in laser surface alloyed coating was in unique faceted platelet-like. The composite coating exhibited high hardness and excellent high-temperature sliding wear resistance. |
| Keywords: | TiC Composite coating Laser surface alloying High-temperature wear |
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