MICROSTRUCTURE AND PROPERTIES OF COATING OF AlFeCrNiMo HIGH-ENTROPY ALLOY

Dan Dou, Kun Deng and Jianchen Li
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Dan Dou: Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science and Engineering, Jilin University, Changchun 130025, P. R. China
Kun Deng: Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science and Engineering, Jilin University, Changchun 130025, P. R. China
Jianchen Li: Key Laboratory of Automobile Materials of Ministry of Education and Department of Materials Science and Engineering, Jilin University, Changchun 130025, P. R. China

Surface Review and Letters (SRL), 2019, vol. 26, issue 03, 1-9

Abstract: High-entropy alloys (HEAs) have recently received significant attention in the materials science community. Some of these alloys can display a good combination of mechanical properties. The perfect dense and smooth coatings of AlFeCrNiMo HEA have been deposited by direct current magnetron sputtering method. The coatings possess single BCC crystal structure. The thickness of the coatings increases with increasing deposited time and plasma power. The coatings display excellent high hardness and Young’s modulus. The corrosion resistance of all coatings in acidic and salt media is better than that of 201 stainless steel. It is expected that the HEA coatings have very broad application prospects.

Keywords: High-entropy alloy; coating; microstructure; properties; magnetron sputtering (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1142/S0218625X18501639

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