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Effect of laser remelting on microstructure and properties of WC reinforced Fe-based amorphous composite coatings by laser cladding
Zhou SF; Xu YB; Liao BQ; Sun YJ; Dai XQ; Yang JX; Li ZY(李正阳)
2018-07-01
发表期刊OPTICS AND LASER TECHNOLOGY
卷号103页码:8-16
ISSN0030-3992
摘要The WC reinforced Fe-based amorphous composite coatings were prepared by laser cladding with rectangular spot. The effect of laser remelting on the microstructure and properties of composite coatings was investigated. The results showed that laser remelting can reduce the cracks and porosities of the cladding coating and improve its surface quality. Large amounts of crystalline phases were precipitated at the top of the cladding and remelting coatings. However, the microstructure at the top of the remelting coating was finer compared to that at the top of the cladding coating. With increasing distance from the surface of substrate, the amorphous phase appeared within the remelting coating and large amounts of carbides rich in Fe and Mo, Fe23B6, gamma-Fe and Cr-9.1.Si-0.9 Slag phases were also precipitated in the remelting coating. As a result, the corrosion resistance of the remelting coating was higher than that of the cladding coating. The microhardness of the remelting coating was approximately 1.13 times higher than that of the cladding coating. (C) 2018 Elsevier Ltd. All rights reserved.
关键词Amorphous composite Laser cladding Microstructure Laser remelting Corrosion
DOI10.1016/j.optlastec.2018.01.024
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000427339000002
关键词[WOS]BULK METALLIC-GLASS ; MELTED TI-6AL-4V ALLOY ; CORROSION BEHAVIOR ; MECHANICAL-PROPERTIES ; FORMING ABILITY ; NACL SOLUTION ; RESISTANCE ; NI ; ZR ; EVOLUTION
WOS研究方向Optics ; Physics, Applied
WOS类目Optics ; Physics
项目资助者National Natural Science Foundation of China [50901040] ; Outstanding Youth Foundation of Jiangxi Province [20162BCB23039]
论文分区二类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77894
专题先进制造工艺力学重点实验室
作者单位1.Tianjin Polytech Univ, Laser Technol Inst, Tianjin 300387, Peoples R China
2.Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
3.Chinese Acad Sci, Inst Mech, Beijing 10090, Peoples R China
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Zhou SF,Xu YB,Liao BQ,et al. Effect of laser remelting on microstructure and properties of WC reinforced Fe-based amorphous composite coatings by laser cladding[J]. OPTICS AND LASER TECHNOLOGY,2018,103:8-16.
APA Zhou SF.,Xu YB.,Liao BQ.,Sun YJ.,Dai XQ.,...&李正阳.(2018).Effect of laser remelting on microstructure and properties of WC reinforced Fe-based amorphous composite coatings by laser cladding.OPTICS AND LASER TECHNOLOGY,103,8-16.
MLA Zhou SF,et al."Effect of laser remelting on microstructure and properties of WC reinforced Fe-based amorphous composite coatings by laser cladding".OPTICS AND LASER TECHNOLOGY 103(2018):8-16.
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