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Differences in pitting growth kinetics between Zr60Ni25Al15 and Zr60Cu25Al15 metallic glasses exposed to a 0.6 M NaCl aqueous solution
Li, Yu; Xu, Jian; Xu, J (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-11-01
发表期刊PERGAMON-ELSEVIER SCIENCE LTD
ISSN0010-938X
卷号128页码:73-84
摘要By the artificial pit electrode approach, growth behaviours of stable pits for melt-spun Zr60Ni25Al15 and Zr60Cu25Al15 metallic glasses (MGs) exposed to a 0.6 M NaCl solution are investigated. By characterising the current transient events and growth kinetics parameters, the effect of selective dissolution caused by the late transition metals on the pitting growth kinetics is revealed. The pit solution acidity is estimated with local acidification model. It is shown that the stable pitting growth for Zr60Cu25Al15 MG is considerably more favourable compared to Zr60Ni25Al15, because of its more rapid pit growth rate and more aggressive pit solution.; By the artificial pit electrode approach, growth behaviours of stable pits for melt-spun Zr60Ni25Al15 and Zr60Cu25Al15 metallic glasses (MGs) exposed to a 0.6 M NaCl solution are investigated. By characterising the current transient events and growth kinetics parameters, the effect of selective dissolution caused by the late transition metals on the pitting growth kinetics is revealed. The pit solution acidity is estimated with local acidification model. It is shown that the stable pitting growth for Zr60Cu25Al15 MG is considerably more favourable compared to Zr60Ni25Al15, because of its more rapid pit growth rate and more aggressive pit solution.
部门归属[li, yu ; xu, jian] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china
关键词Alloy Zirconium Polarisation Amorphous Structures Kinetic Parameters Pitting Corrosion
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51171180]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79011
专题中国科学院金属研究所
通讯作者Xu, J (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Li, Yu,Xu, Jian,Xu, J . Differences in pitting growth kinetics between Zr60Ni25Al15 and Zr60Cu25Al15 metallic glasses exposed to a 0.6 M NaCl aqueous solution[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,128:73-84.
APA Li, Yu,Xu, Jian,&Xu, J .(2017).Differences in pitting growth kinetics between Zr60Ni25Al15 and Zr60Cu25Al15 metallic glasses exposed to a 0.6 M NaCl aqueous solution.PERGAMON-ELSEVIER SCIENCE LTD,128,73-84.
MLA Li, Yu,et al."Differences in pitting growth kinetics between Zr60Ni25Al15 and Zr60Cu25Al15 metallic glasses exposed to a 0.6 M NaCl aqueous solution".PERGAMON-ELSEVIER SCIENCE LTD 128(2017):73-84.
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