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Understanding crystallographic orientation dependent dissolution rates of 90Cu-10Ni alloy: New insights based on AFM/SKPFM measurements and coordination number/electronic structure calculations
Ma, Aili1,2; Zhang, Lianji3,4; Engelberg, Dirk2; Hu, Qingmiao5; Guan, Shaokang3; Zheng, Yugui1
通讯作者Ma, Aili(alma@imr.ac.cn) ; Engelberg, Dirk(D.Engelberg@manchester.ac.uk)
2020-03-01
发表期刊CORROSION SCIENCE
ISSN0010-938X
卷号164页码:11
摘要The purpose of this paper is to provide a new understanding of the anisotropic corrosion behavior of 90Cu-10Ni alloy. A clear correlation between grain orientations, SKPFM derived work functions (WF), and dissolution rate is demonstrated. Grains close to (100) exhibited lower WF with lower dissolution rate, whereas grains close to (111) with higher WF dissolved faster. A surface step dissolution model is proposed for faster dissolution of the closest packed (111) planes. Calculations based on coordination number and the first-principles were performed to evaluate the proposed model. Calculation results correspond well with each other, and supported the experimental results observed.
关键词Alloy Copper AFM Acid corrosion
资助者National Natural Science Foundations of China
DOI10.1016/j.corsci.2019.108320
收录类别SCI
语种英语
资助项目National Natural Science Foundations of China[51601200] ; National Natural Science Foundations of China[51871226]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000515204200018
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/137369
专题中国科学院金属研究所
通讯作者Ma, Aili; Engelberg, Dirk
作者单位1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, 62 Wencui Rd, Shenyang 110016, Peoples R China
2.Univ Manchester, Mat Performance Ctr, Manchester M13 9PL, Lancs, England
3.Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China
4.Zhengzhou Univ, Inst Smart City, Zhengzhou 450001, Peoples R China
5.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
推荐引用方式
GB/T 7714
Ma, Aili,Zhang, Lianji,Engelberg, Dirk,et al. Understanding crystallographic orientation dependent dissolution rates of 90Cu-10Ni alloy: New insights based on AFM/SKPFM measurements and coordination number/electronic structure calculations[J]. CORROSION SCIENCE,2020,164:11.
APA Ma, Aili,Zhang, Lianji,Engelberg, Dirk,Hu, Qingmiao,Guan, Shaokang,&Zheng, Yugui.(2020).Understanding crystallographic orientation dependent dissolution rates of 90Cu-10Ni alloy: New insights based on AFM/SKPFM measurements and coordination number/electronic structure calculations.CORROSION SCIENCE,164,11.
MLA Ma, Aili,et al."Understanding crystallographic orientation dependent dissolution rates of 90Cu-10Ni alloy: New insights based on AFM/SKPFM measurements and coordination number/electronic structure calculations".CORROSION SCIENCE 164(2020):11.
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