Improving bending property of copper foil by the combination of double-rolling and cross rolling

文献类型: 外文期刊

第一作者: Li, Jingkun

作者: Li, Jingkun;Ren, Xueping;Wang, Haibo;Ling, Zi

作者机构:

关键词: Copper foils; Double-rolling; Cross rolling; Bending property; Microstructure; Texture

期刊名称:JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T ( 影响因子:5.039; 五年影响因子:5.363 )

ISSN: 2238-7854

年卷期: 2020 年 9 卷 3 期

页码:

收录情况: SCI

摘要: Copper foils with excellent bending property were fabricated by double-rolling followed by cross rolling. The deformation characteristics of the two advanced rolling processes introduce high density of grain boundaries and dislocations in copper foils. Due to high densities of grain boundaries, dislocations and strong single texture, bending cracks are fine and dispersive, a 101.0% improvement of the bending fatigue life compared to copper foils fabricated by conventional rolling process. After bending fracture, concentrated dislocation and fine dispersive cracks can be observed. (C) 2020 The Authors. Published by Elsevier B.V.

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