Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings

CrFeCoNi and CrMnFeCoNi coatings were prepared using laser remelting technology. The microstructure and phase composition of coatings were investigated. X-ray diffraction (XRD) results indicated that CrFeCoNi and CrMnFeCoNi coatings presented face-centered cubic structure. Electrochemical measuremen...

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Autores principales:	Caimei Wang, Yang Yu, Hua Zhang, Leixin Xu, Xiaoyu Ma, Feifan Wang, Baoyong Song
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	CrFeCoNi and CrMnFeCoNi Laser remelting Corrosion XPS Passivity Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/4cfefb01819f4c28bdded1abb37030cb
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spelling	oai:doaj.org-article:4cfefb01819f4c28bdded1abb37030cb2021-11-12T04:35:34ZMicrostructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings2238-785410.1016/j.jmrt.2021.10.042https://doaj.org/article/4cfefb01819f4c28bdded1abb37030cb2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421011789https://doaj.org/toc/2238-7854CrFeCoNi and CrMnFeCoNi coatings were prepared using laser remelting technology. The microstructure and phase composition of coatings were investigated. X-ray diffraction (XRD) results indicated that CrFeCoNi and CrMnFeCoNi coatings presented face-centered cubic structure. Electrochemical measurements were used to reveal the corrosion behavior of coatings. Results showed that CrFeCoNi coating exhibited lower corrosion current density, lower passive current density and higher charge transfer resistance than CrMnFeCoNi coating in H2SO4 solution (0.5 mol/L). This indicated that CrFeCoNi coating possessed higher corrosion resistance. Mott–Schottky analysis revealed that the passive film formed in CrFeCoNi coating possessed lower donor density value in contrast with that of CrMnFeCoNi coating, suggesting that CrFeCoNi coating formed a more protective passive film. The corrosion mechanisms of coatings were also revealed.Caimei WangYang YuHua ZhangLeixin XuXiaoyu MaFeifan WangBaoyong SongElsevierarticleCrFeCoNi and CrMnFeCoNiLaser remeltingCorrosionXPSPassivityMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 5187-5196 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CrFeCoNi and CrMnFeCoNi Laser remelting Corrosion XPS Passivity Mining engineering. Metallurgy TN1-997
spellingShingle	CrFeCoNi and CrMnFeCoNi Laser remelting Corrosion XPS Passivity Mining engineering. Metallurgy TN1-997 Caimei Wang Yang Yu Hua Zhang Leixin Xu Xiaoyu Ma Feifan Wang Baoyong Song Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings
description	CrFeCoNi and CrMnFeCoNi coatings were prepared using laser remelting technology. The microstructure and phase composition of coatings were investigated. X-ray diffraction (XRD) results indicated that CrFeCoNi and CrMnFeCoNi coatings presented face-centered cubic structure. Electrochemical measurements were used to reveal the corrosion behavior of coatings. Results showed that CrFeCoNi coating exhibited lower corrosion current density, lower passive current density and higher charge transfer resistance than CrMnFeCoNi coating in H2SO4 solution (0.5 mol/L). This indicated that CrFeCoNi coating possessed higher corrosion resistance. Mott–Schottky analysis revealed that the passive film formed in CrFeCoNi coating possessed lower donor density value in contrast with that of CrMnFeCoNi coating, suggesting that CrFeCoNi coating formed a more protective passive film. The corrosion mechanisms of coatings were also revealed.
format	article
author	Caimei Wang Yang Yu Hua Zhang Leixin Xu Xiaoyu Ma Feifan Wang Baoyong Song
author_facet	Caimei Wang Yang Yu Hua Zhang Leixin Xu Xiaoyu Ma Feifan Wang Baoyong Song
author_sort	Caimei Wang
title	Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings
title_short	Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings
title_full	Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings
title_fullStr	Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings
title_full_unstemmed	Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings
title_sort	microstructure and corrosion properties of laser remelted crfeconi and crmnfeconi high entropy alloys coatings
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4cfefb01819f4c28bdded1abb37030cb
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_version_	1718431227963244544

Microstructure and corrosion properties of laser remelted CrFeCoNi and CrMnFeCoNi high entropy alloys coatings

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