Enhanced mechanical properties of columnar grained-nanotwinned Cu films on compliant substrate via multilayer scheme

J. Y. Zhang; P. Zhang; R. H. Wang; G. Liu; G. J. Zhang; J. Sun

doi:10.1016/j.msea.2012.06.023

Enhanced mechanical properties of columnar grained-nanotwinned Cu films on compliant substrate via multilayer scheme

J. Y. Zhang
, P. Zhang
, R. H. Wang
, G. Liu
, G. J. Zhang
, J. Sun

材料科学与工程学院

Xi'an University of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

14 引用（Scopus）

摘要

The columnar-grained nanotwinned (cg-nt) Cu films exhibit high strength but low ductility. By introducing the nanocrystalline Cr layers into cg-nt-Cu films forming Cu/Cr nanostructured multilayers, it is found that the number of twins per grain in Cu as well as the twins density decreases with reducing Cu layer thickness, which are analyzed by "growth accident" related twins formation models. The suppression of twin formation via multilayer scheme significantly enhanced the ductility of cg-nt-Cu films without sacrificing their strength.

源语言	英语
页（从-至）	116-121
页数	6
期刊	Materials Science and Engineering: A
卷	554
DOI	https://doi.org/10.1016/j.msea.2012.06.023
出版状态	已出版 - 30 9月 2012

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10.1016/j.msea.2012.06.023

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title = "Enhanced mechanical properties of columnar grained-nanotwinned Cu films on compliant substrate via multilayer scheme",

abstract = "The columnar-grained nanotwinned (cg-nt) Cu films exhibit high strength but low ductility. By introducing the nanocrystalline Cr layers into cg-nt-Cu films forming Cu/Cr nanostructured multilayers, it is found that the number of twins per grain in Cu as well as the twins density decreases with reducing Cu layer thickness, which are analyzed by {"}growth accident{"} related twins formation models. The suppression of twin formation via multilayer scheme significantly enhanced the ductility of cg-nt-Cu films without sacrificing their strength.",

keywords = "Ductility, Nanostructured multilayers, Thin films, Twins",

author = "Zhang, \{J. Y.\} and P. Zhang and Wang, \{R. H.\} and G. Liu and Zhang, \{G. J.\} and J. Sun",

year = "2012",

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doi = "10.1016/j.msea.2012.06.023",

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T1 - Enhanced mechanical properties of columnar grained-nanotwinned Cu films on compliant substrate via multilayer scheme

AU - Zhang, J. Y.

AU - Zhang, P.

AU - Wang, R. H.

AU - Liu, G.

AU - Zhang, G. J.

AU - Sun, J.

PY - 2012/9/30

Y1 - 2012/9/30

N2 - The columnar-grained nanotwinned (cg-nt) Cu films exhibit high strength but low ductility. By introducing the nanocrystalline Cr layers into cg-nt-Cu films forming Cu/Cr nanostructured multilayers, it is found that the number of twins per grain in Cu as well as the twins density decreases with reducing Cu layer thickness, which are analyzed by "growth accident" related twins formation models. The suppression of twin formation via multilayer scheme significantly enhanced the ductility of cg-nt-Cu films without sacrificing their strength.

AB - The columnar-grained nanotwinned (cg-nt) Cu films exhibit high strength but low ductility. By introducing the nanocrystalline Cr layers into cg-nt-Cu films forming Cu/Cr nanostructured multilayers, it is found that the number of twins per grain in Cu as well as the twins density decreases with reducing Cu layer thickness, which are analyzed by "growth accident" related twins formation models. The suppression of twin formation via multilayer scheme significantly enhanced the ductility of cg-nt-Cu films without sacrificing their strength.

KW - Ductility

KW - Nanostructured multilayers

KW - Thin films

KW - Twins

UR - https://www.scopus.com/pages/publications/84864104165

U2 - 10.1016/j.msea.2012.06.023

DO - 10.1016/j.msea.2012.06.023

M3 - 文章

AN - SCOPUS:84864104165

SN - 0921-5093

VL - 554

SP - 116

EP - 121

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

ER -

Enhanced mechanical properties of columnar grained-nanotwinned Cu films on compliant substrate via multilayer scheme

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