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Crystallographic anisotropy of corrosion rate and surface faceting of polycrystalline 90Cu-10Ni in acidic NaCl solution
Yi, Xuening1,2; Ma, Aili1; Zhang, Lianmin1; Zheng, Yugui1
Corresponding AuthorMa, Aili(alma@imr.ac.cn) ; Zheng, Yugui(ygzheng@imr.ac.cn)
2022-03-01
Source PublicationMATERIALS & DESIGN
ISSN0264-1275
Volume215Pages:14
AbstractThe orientation-dependent corrosion rate and surface faceting of polycrystalline 90Cu-10Ni in acidic NaCl solution was investigated statistically. A good linear relationship was found between corrosion rate and the deviation angle from the (111) direction of the grain. For the three principle low-index planes, the corrosion rates followed the sequence of (001) < (101) < (111). More interestingly, there is a clear correlation between crystallographic orientation and surface faceting of grains in 90Cu-10Ni. Grains orientated near the three principle low-index planes and the (112) plane exhibit four different types of submicron-scale post-corrosion morphologies, respectively. However, each type of the faceted structure is bounded by {001) planes which have the lowest corrosion rate, independent of the substrate grain orientation. This is supported by the crystallographic models and AFM topographic measurements. Current study provides a simple way to identify grain orientation by etching, and also promising solutions to optimize corrosion properties through tailoring surface texture and design micro- or nano-scale surface structure by controlled etching. (c) 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
KeywordCrystallographic anisotropy Grain orientation Corrosion rate Surface faceting 90Cu-10Ni alloy AFM
Funding OrganizationNational Natural Science Foundations of China
DOI10.1016/j.matdes.2022.110429
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundations of China[51871226]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000761233200008
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173248
Collection中国科学院金属研究所
Corresponding AuthorMa, Aili; Zheng, Yugui
Affiliation1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, 62 Wencui Rd, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yi, Xuening,Ma, Aili,Zhang, Lianmin,et al. Crystallographic anisotropy of corrosion rate and surface faceting of polycrystalline 90Cu-10Ni in acidic NaCl solution[J]. MATERIALS & DESIGN,2022,215:14.
APA Yi, Xuening,Ma, Aili,Zhang, Lianmin,&Zheng, Yugui.(2022).Crystallographic anisotropy of corrosion rate and surface faceting of polycrystalline 90Cu-10Ni in acidic NaCl solution.MATERIALS & DESIGN,215,14.
MLA Yi, Xuening,et al."Crystallographic anisotropy of corrosion rate and surface faceting of polycrystalline 90Cu-10Ni in acidic NaCl solution".MATERIALS & DESIGN 215(2022):14.
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