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Corrosion-Induced Strengthening: Development of High-Strength Nanoporous Metals
Ye, Xing-Long; Jin, Hai-Jun; Jin, HJ (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-06-01
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume18Issue:6Pages:1050-1058
AbstractReplacing parts of a solid with voids usually weakens a material. Here, we report that a material (Au-Pt-Ag alloy) becomes stronger by 7 times, its strength increases from 50 to 345 MPa, when approximate to 40% of solids (Ag) is dissolved and replaced by pores during dealloying. The corrosion-induced strengthening originates from the formation of nanoporous structure, and the high strength of nanoscale ligaments due to size effect. The results also suggest that the connectivity of nanoporous structure decreases during coarsening, leading to additional decreases in strength and stiffness, which may explain the unexpected low strength and stiffness of previously reported nanoporous gold.
description.department[ye, xing-long ; jin, hai-jun] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
Subject AreaMaterials Science
Funding OrganizationNational Basic Research Program of China [2012CB932202]; Key Research Program of Chinese Academy of Sciences [KGZD-EW-T06]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75841
Collection中国科学院金属研究所
Corresponding AuthorJin, HJ (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Ye, Xing-Long,Jin, Hai-Jun,Jin, HJ . Corrosion-Induced Strengthening: Development of High-Strength Nanoporous Metals[J]. ADVANCED ENGINEERING MATERIALS,2016,18(6):1050-1058.
APA Ye, Xing-Long,Jin, Hai-Jun,&Jin, HJ .(2016).Corrosion-Induced Strengthening: Development of High-Strength Nanoporous Metals.ADVANCED ENGINEERING MATERIALS,18(6),1050-1058.
MLA Ye, Xing-Long,et al."Corrosion-Induced Strengthening: Development of High-Strength Nanoporous Metals".ADVANCED ENGINEERING MATERIALS 18.6(2016):1050-1058.
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