Grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with grain boundary affect zone segregation

Feng Zhang; Guo Li; Dasheng Zhu; Jianqiu Zhou

doi:10.1016/j.matlet.2020.128406

Grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with grain boundary affect zone segregation

Feng Zhang, Guo Li, Dasheng Zhu, Jianqiu Zhou

School of energy science and engineering

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

A scaling method is described to generate grain boundary affect zone (GBAZ) by scaling the vertex of voronoi edges inside with the same distance. Molecular dynamics simulation (MD) was carried out to analyze the grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with GBAZ segregation. It is found that the mechanical behavior of Cu-Ag alloy can be effectively improved, especially for segregated domains close to grain boundary (GB). Meanwhile, the flow stress of Cu-Ag alloy indicates the character of size effect.

Original language	English
Article number	128406
Journal	Materials Letters
Volume	278
DOIs	https://doi.org/10.1016/j.matlet.2020.128406
State	Published - 1 Nov 2020

Keywords

Deformation mechanism
Metals and alloys
Nanocrystalline materials

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10.1016/j.matlet.2020.128406

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title = "Grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with grain boundary affect zone segregation",

abstract = "A scaling method is described to generate grain boundary affect zone (GBAZ) by scaling the vertex of voronoi edges inside with the same distance. Molecular dynamics simulation (MD) was carried out to analyze the grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with GBAZ segregation. It is found that the mechanical behavior of Cu-Ag alloy can be effectively improved, especially for segregated domains close to grain boundary (GB). Meanwhile, the flow stress of Cu-Ag alloy indicates the character of size effect.",

keywords = "Deformation mechanism, Metals and alloys, Nanocrystalline materials",

author = "Feng Zhang and Guo Li and Dasheng Zhu and Jianqiu Zhou",

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AU - Zhang, Feng

AU - Li, Guo

AU - Zhu, Dasheng

AU - Zhou, Jianqiu

PY - 2020/11/1

Y1 - 2020/11/1

N2 - A scaling method is described to generate grain boundary affect zone (GBAZ) by scaling the vertex of voronoi edges inside with the same distance. Molecular dynamics simulation (MD) was carried out to analyze the grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with GBAZ segregation. It is found that the mechanical behavior of Cu-Ag alloy can be effectively improved, especially for segregated domains close to grain boundary (GB). Meanwhile, the flow stress of Cu-Ag alloy indicates the character of size effect.

AB - A scaling method is described to generate grain boundary affect zone (GBAZ) by scaling the vertex of voronoi edges inside with the same distance. Molecular dynamics simulation (MD) was carried out to analyze the grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with GBAZ segregation. It is found that the mechanical behavior of Cu-Ag alloy can be effectively improved, especially for segregated domains close to grain boundary (GB). Meanwhile, the flow stress of Cu-Ag alloy indicates the character of size effect.

KW - Deformation mechanism

KW - Metals and alloys

KW - Nanocrystalline materials

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DO - 10.1016/j.matlet.2020.128406

M3 - 文章

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SN - 0167-577X

VL - 278

JO - Materials Letters

JF - Materials Letters

M1 - 128406

ER -

Grain size effect on the mechanical behaviors in nanocrystalline Cu-Ag alloy with grain boundary affect zone segregation

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Keywords

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