Ductile-brittle transition of open-cell nanoporous Cu in tension: A reliance of specific surface area

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成果类型：

期刊论文

作者：

Wang, L.;Bi, W. B.;Deng, L.;Xiao, S. F.;Li, B.;...

通讯作者：

Zhang, X. M.;Tang, J. F.

作者机构：

[Zhang, XM; Tang, J. F.; Bi, W. B.; Zhang, X. M.; Deng, L.; Wang, L.] Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.

[Li, B.; Deng, X. L.] China Acad Engn Phys, Inst Fluid Phys, Natl Key Lab Shock Wave & Detonat Phys Res, Mianyan 621900, Peoples R China.

[Xiao, S. F.] Hunan Univ, Coll Phys & Micro Elect, Changsha 410082, Hunan, Peoples R China.

[Hu, W. Y.] Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China.

通讯机构：

[Zhang, XM; Tang, JF] H

Hunan Agr Univ, Coll Sci, Changsha 410128, Hunan, Peoples R China.

语种：

英文

关键词：

Nanoporous;Uniaxial tension;Ductile-brittle transition;Dislocation networks

期刊：

Scripta Materialia

ISSN：

1359-6462

年：

2020

卷：

175

页码：

43-48

DOI：

10.1016/j.scriptamat.2019.08.030

基金类别：

NSF of ChinaNational Natural Science Foundation of China [11672254, 11802092]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2019JJ50221, 2019JJ40127]; Young Scholar Program of Hunan Agricultural University [17QN22]; Scientific Innovation Program of Hunan Agricultural University [2018ZK13]; Changsha Municipal Science and Technology Program [kq1801022]; Science and Technology Foundation of State Key Laboratory of Shock Wave and Detonation Physics [JCKYS2018212011]

机构署名：

本校为第一且通讯机构

院系归属：

理学院

摘要：

We report the ductile-brittle transitions and their reliances on specific surface area (gamma), for the bicontinuous and open-cell nanoporous (NP) Cu in tension, using molecular dynamics simulations. With an increase of gamma, NP Cu undergo the first ductile-to-brittle (gamma

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Ductile-brittle transition of open-cell nanoporous Cu in tension: A reliance of specific surface area

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