期刊
出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2016.01.092
关键词
Mechanical characterization; High-entropy alloy; Coating; Ni-P alloy
类别
资金
- Program for the Innovative Talents of Higher Learning Institutions of Shanxi
- Youth Natural Science Foundation of Shanxi Province, China [2015021005, 2015021006]
- Youth Science Foundation of Shanxi Province, China [2014021017-3]
- National Natural Science Foundation of China [51501123]
The Al0.25CrCoFe1.25Ni1.25 high-entropy alloys (HEAs) are coated with Ni-P amorphous films with a thickness of 35 mu m. The as-cast HEM have a yielding strength of 52 MPa. In contrast, the yielding strength of coated HEAs exhibits over 130 MPa, with a 160% improvement. A considerable total tensile strain as high as about 50% is detected in the as cast and coated HEAs. In addition, Ni-P coatings have a stable passive characteristic and form a thick passive film, suggesting that Ni-P coatings provide an effective barrier against active dissolution process. The current Ni-P coated HEAs combine the excellent mechanical and electrochemical properties. Crown Copyright (C) 2016 Published by Elsevier B.V. All rights reserved.
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