Influence of gradient structure volume fraction on the mechanical properties of pure copper

This paper reports the influence of gradient structure volume fraction on the tensile mechanical behaviors of pure copper processed by surface mechanical attrition treatment at cryogenic temperature. Superior combinations of tensile strength and ductility are observed in a certain volume fraction, i...

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Published inMaterials science & engineering. A, Structural materials : properties, microstructure and processing Vol. 645; pp. 280 - 285
Main Authors Yang, Xincheng, Ma, Xiaolong, Moering, Jordan, Zhou, Hao, Wang, Wei, Gong, Yulan, Tao, Jingmei, Zhu, Yuntian, Zhu, Xinkun
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.10.2015
Subjects
Attrition
Copper
COPPER (PURE)
Ductility
Gradient structure
MECHANICAL PROPERTIES
Microstructure
MICROSTRUCTURES
Optimization
PROPERTIES
Strain hardening
STRAIN HARDENING MECHANISMS
Strength
Synergetic strengthening
Tensile strength
Volume fraction
Synergetic strengthening
Gradient structure
Ductility
Strength
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Summary:This paper reports the influence of gradient structure volume fraction on the tensile mechanical behaviors of pure copper processed by surface mechanical attrition treatment at cryogenic temperature. Superior combinations of tensile strength and ductility are observed in a certain volume fraction, in which strain hardening uprising after yielding is also observed. The gradient structure produces a synergetic strengthening and extra work hardening. These findings suggest the existence of an optimum volume fraction of gradient structure for the best mechanical properties.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2015.08.037