期刊
MATERIALS LETTERS
卷 313, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2022.131650
关键词
Medium-entropy alloy; Microstructure; Indentation and hardness; Wear and tribology
资金
- National Natural Science Foundation of China [51775259, 52075508]
- National Key R&D Program of China [2018YFC1902404]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [SJCX21_0939]
- Science Foundations of Nanjing Institute of Technology [CXY202001]
A novel MoNb-B-Si alloyed CoCrNi coating was successfully prepared by plasma cladding, which showed higher hardness and wear resistance compared to the CoCrNi coating.
This work provides a useful method for the surface application of FCC medium/high entropy alloys. A novel MoNb-B-Si alloyed CoCrNi coating was successfully prepared by plasma cladding. Compared with the CoCrNi coating, its microstructure changed from single FCC phase to FCC, lamellar eutectic phase (FCC and Sigma) and Laves phase. Sigma phase, Laves phase showed higher hardness and Si, Mo, Nb had a solution strengthening effect on FCC matrix, which effectively improved the hardness of the alloyed coating. Wear testing results showed that the wear resistance of the coating was nearly twice as high as that of the CoCrNi coating.
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