Enhance plasticity of bulk metallic glasses by geometric confinement

被引：2

作者：

Yu P. ^{[1
]}

Liu Y.H. ^{[1
]}

Wang G. ^{[1
]}

Bai H.Y. ^{[1
]}

Wang W.H. ^{[1
]}

机构：

[1] Institute of Physics, Chinese Academy of Sciences

来源：

Journal of Materials Research | 2007年 / 22卷 / 09期

关键词：

Metallic glass;

D O I：

10.1557/jmr.2007.0318

中图分类号：

学科分类号：

摘要：

We report that bulk metallic glasses (BMGs) with large plasticity can be obtained in conventional brittle BMGs by a shrink-fit metal sleeve. The mechanical performance especially the plasticity in the Zr41.2Ti13.8Cu12.5Ni10 Be22.5 BMG with a shrink-fit copper sleeve is much enhanced. The approach results in the formation of the highly dense and frequent interacting and arresting events of shear bands and is the origin of the observed large global plasticity. The results present another simple step toward toughening the inherently brittle BMGs. © 2007 Materials Research Society.

引用

页码：2384 / 2388

页数：4

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