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Kim, Ju-Young
Robust Multifunctional Materials Lab
Research Interests
  • Flexible / stretchable devices, nano-mechanics, nanoporous metal, materials reliability

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Fabrication of high-strength duplex nanoporous Cu by dealloying a dual-phase Mg–Cu precursor alloy

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Title
Fabrication of high-strength duplex nanoporous Cu by dealloying a dual-phase Mg–Cu precursor alloy
Author
Lee, Si-YoungBaek, Soo-MinGwak, Eun-JiKang, Na-RiKim, Ju-YoungKim, Su-HyeonLee, Jung GuPark, Sung Soo
Issue Date
2020-09
Publisher
National Engineering Research Center for Magnesium Alloys of China, Chongqing University
Citation
JOURNAL OF MAGNESIUM AND ALLOYS, v.8, no.3, pp.910 - 916
Abstract
Duplex nanoporous Cu was successfully fabricated by dealloying a dual-phase Mg–Cu precursor alloy consisting of intermetallic Mg2Cu and MgCu2. The duplex nanoporous Cu with embedded nanoporous struts exhibited highly enhanced strength compared to the typical monolithic nanoporous Cu under both compressive and flexural test conditions at room temperature; the duplex np-Cu sample exhibited a 12 times higher compressive strength and a 40 times greater flexural strength than the monolithic np-Cu sample. Factors responsible for the strength enhancement in the duplex nanoporous Cu are discussed.
URI
https://scholarworks.unist.ac.kr/handle/201301/32331
URL
https://www.sciencedirect.com/science/article/pii/S2213956720300542
DOI
10.1016/j.jma.2020.02.015
ISSN
2213-9567
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MSE_Journal Papers
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