Multi-layer laminated Pd-based metallic glass with enhanced plasticity

被引：21

作者：

Ma, J. ^{[1
,2
]}

Chan, K. C. ^{[1
]}

Xia, L. ^{[1
]}

Chen, S. H. ^{[1
]}

Wu, F. F. ^{[1
]}

Li, W. H. ^{[3
]}

Wang, W. H. ^{[2
]}

机构：

[1] Hong Kong Polytech Univ, Dept Ind & Syst Engn, Adv Mfg Technol Res Ctr, Hong Kong, Hong Kong, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[3] Anhui Univ Technol, Sch Mat Sci & Engn, Maanshan 243002, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 587卷

关键词：

Metallic glass; Thermoplastic bonding; Plasticity; Blocking effect; Structure relaxation; SUPERCOOLED-LIQUID;

D O I：

10.1016/j.msea.2013.08.043

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We have demonstrated, for the first time, the enhanced plasticity of multi-layer Pd-based bulk metallic glasses (BMGs) synthesized by thermoplastic bonding (TB). The structural relaxation was minimized by using a low bonding temperature and a very short holding time. As compared to the as-cast and the two-layer BMG samples, the three-layer samples achieve larger plasticity. The fracture morphology of the multi-layer samples exhibit radiating-ridge patterns as compared to the river-like cell patterns observed in as-cast BMGs. The enhanced plasticity is due to the blocking effect of the bonding interface for the propagation of shear bands. Our research opens a promising way to synthesize BMGs with larger size and enhanced plasticity for potential structural applications. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：240 / 243

页数：4

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