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Corrosion of Nanoscale Metals |
Junsheng WU1, Bowei ZHANG1,2, Xiaogang LI1(), Yizhong HUANG2() |
1 Corrosion and Protection Center, Institute of Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China 2 School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore |
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Cite this article:
Junsheng WU, Bowei ZHANG, Xiaogang LI, Yizhong HUANG. Corrosion of Nanoscale Metals. Acta Metall Sin, 2018, 54(8): 1087-1093.
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Abstract Beneficial from small-size effect, super-high specific surface area and a large amount of defects and dangling bonds on the surface, nanoscale metals exhibit superior chemical activities than traditional bulky counterparts. Nevertheless, it is the high reaction activities of nanoscale metals that in turn make them vulnerable to be oxidized and corroded, which is a main obstacle in their applications. In liquid solutions or liquid-involving multiphase environment, corrosion on nanoscale metals is ubiquitous so that it remains a crucial issue before nanoscale metals are widely employed in real applications. Due to the low-dimension and small-size of nanoscale metals, it is a huge challenge of studying their corrosion behaviors since the experimental and theoretical methods are significantly different from those on bulky metals. In the present paper, recent studies on environmental stability and corrosion behaviors of nanoscale noble metals (Pt, Ag), transition metals (Cu, Ni, Fe), active metals (Al, Mg) and semi-conductor metal (Ge) have been reviewed. Meanwhile, analysis and expectations of theoretical and experimental innovations have also been stated for the further study the corrosion on nanoscale metals.
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Received: 30 September 2017
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Fund: Supported by National Natural Science Foundation of China (Nos.51771027 and 51271031), National Key Research and Development Program of China (No.2017YFB0702100) and Aeronautical Science Foundation of China (No.20165474001) |
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