Microstructural vortex formation during cyclic sliding of Cu/Au multilayers

被引：38

作者：

Luo, Zhao-Ping ^{[1
]}

Zhang, Guang-Ping ^{[2
]}

Schwaiger, Ruth ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Inst Appl Mat, D-76021 Karlsruhe, Germany

[2] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

来源：

SCRIPTA MATERIALIA | 2015年 / 107卷

关键词：

Multilayers; Deformation structure; Scratch test; Kelvin-Helmholtz instability; DEFORMATION INSTABILITY; MECHANICAL-PROPERTIES; PLASTIC-DEFORMATION; AU/CU MULTILAYERS; STRENGTH; WEAR; EVOLUTION;

D O I：

10.1016/j.scriptamat.2015.05.022

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Cu/Au multilayers with individual layer thickness of 100 nm were deformed by cyclic sliding using a nanoindenter. With increasing cycle number, a distinct sequence of changes was observed, from uniform thinning through formation of waviness and vortices until finally a mechanically mixed structure developed. Fluid-like behavior is observed and gradients of strain and strain rate are suggested to initiate the evolution of vortices driving the mechanical mixing of the layers. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd.

引用

页码：67 / 70

页数：4

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