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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
发表期刊ADVANCED ENGINEERING MATERIALS
ISSN1438-1656
卷号18期号:6页码:1050-1058
摘要Replacing 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.
部门归属[ye, xing-long ; jin, hai-jun] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
学科领域Materials Science
资助者National Basic Research Program of China [2012CB932202]; Key Research Program of Chinese Academy of Sciences [KGZD-EW-T06]
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/321006/75841
专题中国科学院金属研究所
通讯作者Jin, HJ (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
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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