期刊论文

Liu, Xiu-Bo

英文

OPTICS AND LASER TECHNOLOGY

0030-3992

2019

109

99-109

10.1016/j.optlastec.2018.07.061

This work was financially supported by the National Natural Science Foundation of China (Grant Nos U1737112 and U1533101 ), Natural Science Foundation of Hunan Province ( 2018JJ2677 ), the Open Fund of National United Engineering Laboratory for Advanced Bearing Technology, Henan University of Science and Technology (Grant No 201803 ) and the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology (Grant No 2017-KF-5 ). This work was financially supported by the National Natural Science Foundation of China (Grant Nos U1737112 and U1533101), Natural Science Foundation of Hunan Province (2018JJ2677), the Open Fund of National United Engineering Laboratory for Advanced Bearing Technology, Henan University of Science and Technology (Grant No 201803) and the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology (Grant No 2017-KF-5).

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To enhance the wear resistance and elevated temperature antioxidation of Ti6Al4V alloy simultaneously, Ni-20Cr powders with the addition of Al and Si were deposited successfully on its face by laser in-situ synthesizing. The microstructure, micro-hardness, wear, elevated temperature antioxidation of composite coatings were researched. The results show that the composite coatings are mainly composed of Ti5Si3/Al3Ni2 as reinforcing particles and Al3Ti/NiTi as intermetallic matrix, and had a metallurgical bonding with substrate. The average micro-...