Effects of WC on microstructure and corrosion resistance of directional structure Ni60 coatings
Yang, Xiaotian1,2; Li, Xiuqian1; Yang, Qiangbin3; Wei, Hengli1; Fu, Xiaoyue1; Li, Wensheng1,2
2020-03-15
发表期刊SURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
卷号385
摘要

To enhance the corrosion resistance of directional structure coating of Ni60 alloy, the directional structure composite coating of Ni60 alloy reinforced with WC was prepared on the S45C steel by the induction remelting and forced cooling method. The immersion corrosion behaviors of coatings in 10% H2SO4 solution for 168 h and its electrochemical corrosions were investigated to analyze its corrosion resistance. The results showed that WC changed the grain boundary density and grain boundary type, having important effect on corrosion resistance and corrosion mechanism of directional structure Ni60 coating. The corrosion potentials of directional structure Ni60 coating and Ni60/WC coating is -0.395 and -0.112 V, respectively. The corrosion resistance of directional structure Ni60/WC coating is better than that of the coating without WC. The corrosion mechanism of directional structure Ni60/WC coating is slight intracrystalline corrosion, while the coating without WC is the pitting corrosion and the microgalvance corrosion.

关键词Induction remelting Directional structure Corrosion Composite coating
DOI10.1016/j.surfcoat.2020.125359
收录类别SCI ; SCIE ; EI
语种英语
资助项目National Natural Science Foundation of China[51365024] ; Zhejiang Provincial Natural Science Foundation of China[LGG19E010003]
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Coatings & Films ; Physics, Applied
WOS记录号WOS:000526980900020
出版者ELSEVIER SCIENCE SA
EI入藏号20200408081258
EI主题词Corrosion resistant coatings
EI分类号534.1 Foundries ; 539.1 Metals Corrosion ; 813.2 Coating Materials
来源库WOS
引用统计
被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/76628
专题学报编辑部
材料科学与工程学院
通讯作者Yang, Xiaotian
作者单位1.Lanzhou Univ Technol, Sch Mat Sci & Engn, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China;
2.Lanzhou Univ Technol, Wenzhou Engn Inst Pump & Valve, Wenzhou 325105, Peoples R China;
3.Chongqing Univ Arts & Sci, Chongqing Key Lab Environm Mat & Remediat Technol, Chongqing 402160, Peoples R China
第一作者单位材料科学与工程学院;  兰州理工大学
通讯作者单位材料科学与工程学院;  兰州理工大学
第一作者的第一单位材料科学与工程学院
推荐引用方式
GB/T 7714
Yang, Xiaotian,Li, Xiuqian,Yang, Qiangbin,et al. Effects of WC on microstructure and corrosion resistance of directional structure Ni60 coatings[J]. SURFACE & COATINGS TECHNOLOGY,2020,385.
APA Yang, Xiaotian,Li, Xiuqian,Yang, Qiangbin,Wei, Hengli,Fu, Xiaoyue,&Li, Wensheng.(2020).Effects of WC on microstructure and corrosion resistance of directional structure Ni60 coatings.SURFACE & COATINGS TECHNOLOGY,385.
MLA Yang, Xiaotian,et al."Effects of WC on microstructure and corrosion resistance of directional structure Ni60 coatings".SURFACE & COATINGS TECHNOLOGY 385(2020).
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