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Effect of nitrogen on corrosion behaviour of a novel high nitrogen medium-entropy alloy CrCoNiN manufactured by pressurized metallurgy
Feng H; Li HB; Wu XL(武晓雷); Jiang ZH; Zhao S; Zhang T; Xu DK; Zhang SC; Zhu HC; Zhang BB; Yang MX(杨沐鑫)
2018-10-01
发表期刊JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷号34期号:10页码:1781-1790
ISSN1005-0302
摘要A novel high nitrogen medium-entropy alloy CrCoNiN, which had higher strength and slightly lower ductility than CrCoNi alloy, was successfully manufactured by pressurized metallurgy. The microstructure and corrosion behaviour were investigated by microscopic, electrochemical and spectroscopic methods. The results indicated that nitrogen existed in the form of Cr2N precipitates and uniformly distributed N atoms, and nitrogen alloying significantly refined the grain size. Besides, nitrogen enriched on the outmost surface of passive film and metal/film interface as ammonia (NH3 and NH4+) and CrN, respectively. The significant improvement of corrosion resistance of CrCoNiN was attributed to the lower metastable pitting susceptibility together with thicker, less defective and more compact passive film. (C) 2018 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词Medium-entropy alloy Nitrogen Pitting corrosion Passive film Metastable pitting
DOI10.1016/j.jmst.2018.03.021
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000438131700009
关键词[WOS]DUPLEX STAINLESS-STEEL ; CRITICAL PITTING TEMPERATURE ; PASSIVE FILMS ; SEMICONDUCTING PROPERTIES ; AISI 304-STAINLESS-STEEL ; RESISTANCE ; 316L ; NI ; NICKEL ; XPS
WOS研究方向Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China [51434004, U1435205, 51774074] ; Transformation Project of Major Scientific and Technological Achievements in Shenyang [Z17-5-003]
论文分区一类
力学所作者排名1
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77937
专题非线性力学国家重点实验室
作者单位1.Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
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Feng H,Li HB,Wu XL,et al. Effect of nitrogen on corrosion behaviour of a novel high nitrogen medium-entropy alloy CrCoNiN manufactured by pressurized metallurgy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(10):1781-1790.
APA Feng H.,Li HB.,武晓雷.,Jiang ZH.,Zhao S.,...&杨沐鑫.(2018).Effect of nitrogen on corrosion behaviour of a novel high nitrogen medium-entropy alloy CrCoNiN manufactured by pressurized metallurgy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(10),1781-1790.
MLA Feng H,et al."Effect of nitrogen on corrosion behaviour of a novel high nitrogen medium-entropy alloy CrCoNiN manufactured by pressurized metallurgy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.10(2018):1781-1790.
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