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

Siyoung Lee | Zendy; Soo-Min Baek | Zendy; EunJi Gwak | Zendy; NaRi Kang | Zendy; JuYoung Kim | Zendy; Su-Hyeon Kim | Zendy; Jung Gu Lee | Zendy; Sung Soo Park | Zendy

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

Author(s) -

Siyoung Lee,

Soo-Min Baek,

EunJi Gwak,

NaRi Kang,

JuYoung Kim,

Su-Hyeon Kim,

Jung Gu Lee,

Sung Soo Park

Publication year - 2020

Publication title -

journal of magnesium and alloys

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.126

H-Index - 39

ISSN - 2213-9567

DOI - 10.1016/j.jma.2020.02.015

Subject(s) - nanoporous , materials science , alloy , flexural strength , duplex (building) , fabrication , intermetallic , compressive strength , composite material , nanotechnology , chemistry , medicine , dna , alternative medicine , pathology , biochemistry

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.

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