Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding

Laser cladding technology is used to fabricate CoCrFeNi HEA/WC composite coatings with different mass fractions of WC on the surface of 316L stainless steel. The microstructures of HEA/WC composite coatings were analyzed by combining multiple characterization techniques. The results show that the HE...

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Main Authors: Jiang Huang, Zhikai Zhu, Hao Wang, Kaiyue Li, Wenqing Shi, Tianwen Jiao
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/16/7/2706
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author Jiang Huang
Zhikai Zhu
Hao Wang
Kaiyue Li
Wenqing Shi
Tianwen Jiao
author_facet Jiang Huang
Zhikai Zhu
Hao Wang
Kaiyue Li
Wenqing Shi
Tianwen Jiao
author_sort Jiang Huang
collection DOAJ
description Laser cladding technology is used to fabricate CoCrFeNi HEA/WC composite coatings with different mass fractions of WC on the surface of 316L stainless steel. The microstructures of HEA/WC composite coatings were analyzed by combining multiple characterization techniques. The results show that the HEA/WC composite coatings have good surface formation without pores and hot cracks, and the metallurgical bonding is well formed between the coating and the 316L SS substrate. Under the action of a laser beam and molten pool, WC particles partially or slightly melt and diffuse to the matrix, which hinders the orderly growth of grains and forms multiple strengthening. The phase structure of the HEA/WC composite coatings is composed of a main phase with FCC. The hardness and corrosion resistance of the HEA/WC composite coatings are clearly enhanced, and the HEA/WC composite coating with 5% WC has optimum properties.
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spelling doaj.art-7fe7f0bf9ac74631b7915962d953705e2023-11-17T17:03:54ZengMDPI AGMaterials1996-19442023-03-01167270610.3390/ma16072706Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser CladdingJiang Huang0Zhikai Zhu1Hao Wang2Kaiyue Li3Wenqing Shi4Tianwen Jiao5School of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, ChinaSchool of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, ChinaGuangzhou Shipyard International Company Limited, Guangzhou 511462, ChinaSchool of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, ChinaSchool of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, ChinaSchool of Electronics and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, ChinaLaser cladding technology is used to fabricate CoCrFeNi HEA/WC composite coatings with different mass fractions of WC on the surface of 316L stainless steel. The microstructures of HEA/WC composite coatings were analyzed by combining multiple characterization techniques. The results show that the HEA/WC composite coatings have good surface formation without pores and hot cracks, and the metallurgical bonding is well formed between the coating and the 316L SS substrate. Under the action of a laser beam and molten pool, WC particles partially or slightly melt and diffuse to the matrix, which hinders the orderly growth of grains and forms multiple strengthening. The phase structure of the HEA/WC composite coatings is composed of a main phase with FCC. The hardness and corrosion resistance of the HEA/WC composite coatings are clearly enhanced, and the HEA/WC composite coating with 5% WC has optimum properties.https://www.mdpi.com/1996-1944/16/7/2706overlapping ratelaser claddingHEAhardnesscorrosion resistance
spellingShingle Jiang Huang
Zhikai Zhu
Hao Wang
Kaiyue Li
Wenqing Shi
Tianwen Jiao
Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding
Materials
overlapping rate
laser cladding
HEA
hardness
corrosion resistance
title Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding
title_full Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding
title_fullStr Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding
title_full_unstemmed Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding
title_short Effect of WC Content on Microstructure and Properties of CoCrFeNi HEA Composite Coating on 316L Surface via Laser Cladding
title_sort effect of wc content on microstructure and properties of cocrfeni hea composite coating on 316l surface via laser cladding
topic overlapping rate
laser cladding
HEA
hardness
corrosion resistance
url https://www.mdpi.com/1996-1944/16/7/2706
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