Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating

In this work, FeCoCrNiMo0.2 high-entropy alloy coatings were fabricated using the atmospheric plasma spraying technique. The dependence of the microstructure and wear property of the coatings on spraying power was explored. The results showed that with increasing spraying power, the streamlined stru...

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Autores principales:	Shitao Zhang, Wenge Li, Yihuai Hu, Tao Jiang, Leyang Guo, Yangyang Zhang, Yuantao Zhao
Formato:	article
Lenguaje:	EN
Publicado:	AIP Publishing LLC 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/b93ef6ba7e144490aca381ae45df0380
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spelling	oai:doaj.org-article:b93ef6ba7e144490aca381ae45df03802021-12-01T18:52:06ZEffect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating2158-322610.1063/5.0074776https://doaj.org/article/b93ef6ba7e144490aca381ae45df03802021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0074776https://doaj.org/toc/2158-3226In this work, FeCoCrNiMo0.2 high-entropy alloy coatings were fabricated using the atmospheric plasma spraying technique. The dependence of the microstructure and wear property of the coatings on spraying power was explored. The results showed that with increasing spraying power, the streamlined structure of the coating was gradually disturbed, the content of the oxides in the coating was enhanced, and the distribution of oxides became relatively uniform. Meanwhile, the porosity in the coating was reduced due to the increased melting degree of feeding particles. As the spraying power increased from 25.5 to 45 kW, the micro-hardness of the coating was improved from 438 ± 15.27 to 558.73 ± 7.23 HV0.2 and the wear loss of the coating decreased from 2.05 × 10−4 to 1.18 × 10−4 mm3/nm. The synergistic effect of the dispersive oxides and the reduced porosity could account for the enhanced micro-hardness by the second phase strengthening mechanisms. Subsequently, the wear resistance of the coating prepared at a high spraying power was improved due to the increased micro-hardness and the reduced crack behaviors. In addition, the broken oxides of metal elements, especially Cr oxides, during wearing led to the abrasive wear behavior, and the broken oxides could work as a lubricant to decrease the wear coefficient of the coating. Finally, the FeCoCrNiMo0.2 coating prepared at a power of 45 kW had the best wear resistance.Shitao ZhangWenge LiYihuai HuTao JiangLeyang GuoYangyang ZhangYuantao ZhaoAIP Publishing LLCarticlePhysicsQC1-999ENAIP Advances, Vol 11, Iss 11, Pp 115110-115110-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Shitao Zhang Wenge Li Yihuai Hu Tao Jiang Leyang Guo Yangyang Zhang Yuantao Zhao Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating
description	In this work, FeCoCrNiMo0.2 high-entropy alloy coatings were fabricated using the atmospheric plasma spraying technique. The dependence of the microstructure and wear property of the coatings on spraying power was explored. The results showed that with increasing spraying power, the streamlined structure of the coating was gradually disturbed, the content of the oxides in the coating was enhanced, and the distribution of oxides became relatively uniform. Meanwhile, the porosity in the coating was reduced due to the increased melting degree of feeding particles. As the spraying power increased from 25.5 to 45 kW, the micro-hardness of the coating was improved from 438 ± 15.27 to 558.73 ± 7.23 HV0.2 and the wear loss of the coating decreased from 2.05 × 10−4 to 1.18 × 10−4 mm3/nm. The synergistic effect of the dispersive oxides and the reduced porosity could account for the enhanced micro-hardness by the second phase strengthening mechanisms. Subsequently, the wear resistance of the coating prepared at a high spraying power was improved due to the increased micro-hardness and the reduced crack behaviors. In addition, the broken oxides of metal elements, especially Cr oxides, during wearing led to the abrasive wear behavior, and the broken oxides could work as a lubricant to decrease the wear coefficient of the coating. Finally, the FeCoCrNiMo0.2 coating prepared at a power of 45 kW had the best wear resistance.
format	article
author	Shitao Zhang Wenge Li Yihuai Hu Tao Jiang Leyang Guo Yangyang Zhang Yuantao Zhao
author_facet	Shitao Zhang Wenge Li Yihuai Hu Tao Jiang Leyang Guo Yangyang Zhang Yuantao Zhao
author_sort	Shitao Zhang
title	Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating
title_short	Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating
title_full	Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating
title_fullStr	Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating
title_full_unstemmed	Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating
title_sort	effect of spraying power on the microstructure and wear behavior of the plasma-sprayed fecocrnimo0.2 coating
publisher	AIP Publishing LLC
publishDate	2021
url	https://doaj.org/article/b93ef6ba7e144490aca381ae45df0380
work_keys_str_mv	AT shitaozhang effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating AT wengeli effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating AT yihuaihu effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating AT taojiang effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating AT leyangguo effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating AT yangyangzhang effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating AT yuantaozhao effectofsprayingpoweronthemicrostructureandwearbehavioroftheplasmasprayedfecocrnimo02coating
_version_	1718404716891734016

Effect of spraying power on the microstructure and wear behavior of the plasma-sprayed FeCoCrNiMo0.2 coating

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