Sub-micron strain analysis of local stick-slip motion of individual shear bands in a bulk metallic glass

被引：23

作者：

Binkowski, I. ^{[1
]}

Schlottbom, S. ^{[1
]}

Leuthold, J. ^{[1
]}

Ostendorp, S. ^{[1
]}

Divinski, S. V. ^{[1
,2
]}

Wilde, G. ^{[1
,3
]}

机构：

[1] Univ Munster, Inst Mat Phys, D-48149 Munster, Germany

[2] Natl Univ Sci & Technol MISiS, Moscow 119049, Russia

[3] Shanghai Univ, Inst Nanochem & Nanobiol, Shanghai 200072, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 22期

关键词：

PD-NI-P; MECHANICAL-BEHAVIOR; DYNAMICS;

D O I：

10.1063/1.4936388

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanodot deposition on a side surface of a rectangular sample and digital image correlation are used to quantify the in-plane strain fields associated with the propagation of a shear band in a PdNiP bulk metallic glass, induced by rolling. Within the resolution of the method related to an average inter-dot distance of 100 nm, deformation is found to be highly localized at the shear bands, while alternating areas with a size of 100-400 nm with opposite local shear strains are found. This phenomenon substantiates a local stick-slip nature of shear band propagation during the metallic glass deformation, even during rolling. (C) 2015 AIP Publishing LLC.

引用

页数：5

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