Structure and shear deformation of metallic crystalline-amorphous interfaces

被引：83
|
作者：
Brandl, C. [1 ]
Germann, T. C. [1 ]
Misra, A. [2 ]
机构：
[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
[2] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA
来源：
ACTA MATERIALIA | 2013年 / 61卷 / 10期
关键词：
Interface; Atomistic simulation; Crystalline; Amorphous; Dislocation; MECHANICAL-BEHAVIOR; MOLECULAR-DYNAMICS; GLASSES; AMORPHIZATION; PROPAGATION; COMPOSITES; PLASTICITY; ALUMINUM; ALLOYS;
D O I：
10.1016/j.actamat.2013.02.047
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structure and shear properties of crystalline amorphous laminar nanocomposites are studied in an atomistic model of face-centered cubic copper with amorphous Cu46Zr54 bulk metallic glass in the quasi-static limit. The plastic shear deformation response is determined by the production and motion of interface dislocations at the crystalline amorphous interface, which is closely linked to the structural and chemical transition from crystalline Cu to the amorphous Cu/Zr phase. The implication of interfacial shear are discussed in context of dislocation interface interactions and co-deformation of a crystalline amorphous nanocomposite. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3600 / 3611
页数：12
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