Ductile bulk metallic glasses produced through designed heterogeneities

被引：72
|
作者：
Scudino, S. [1 ]
Jerliu, B. [1 ]
Pauly, S. [1 ]
Surreddi, K. B. [1 ]
Kuehn, U. [1 ]
Eckert, J. [1 ,2 ]
机构：
[1] IFW Dresden, Inst Komplexe Mat, D-01069 Dresden, Germany
[2] Tech Univ Dresden, Inst Werkstoffwissensch, D-01062 Dresden, Germany
来源：
SCRIPTA MATERIALIA | 2011年 / 65卷 / 09期
关键词：
Bulk metallic glass (BMG); Microstructure; Shear bands; Tension test; Ductility; POTENTIAL-ENERGY LANDSCAPE; MECHANICAL-PROPERTIES; PLASTIC-DEFORMATION; AMORPHOUS-ALLOYS; RESIDUAL-STRESS; FORMING LIQUIDS; COMPOSITES; BEHAVIOR; HARDNESS;
D O I：
10.1016/j.scriptamat.2011.07.039
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Ductile bulk metallic glasses are produced from intrinsically brittle precursors by proper control of shear band formation and propagation. This ductilization strategy is based on the creation of alternating soft and hard regions via imprinting at room temperature. The stress fields resulting from these regions interfere with the process of irreversible deformation and effectively limit shear bands from propagating catastrophically. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：815 / 818
页数：4
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