Correlation between the enhanced plasticity of glassy matrix composites and the intrinsic mechanical property of reinforcement

被引：17
作者：
Chu, Z. H. [1 ,2 ]
Kato, H. [2 ]
Xie, G. Q. [2 ]
Yuan, G. Y. [1 ,3 ]
Lu, C. [1 ]
Ding, W. J. [1 ,3 ]
机构：
[1] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Alloy Net Forming, Shanghai 200240, Peoples R China
[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[3] Shanghai Jiao Tong Univ, Key State Lab Met Matrix Composite, Shanghai 200240, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 560卷
关键词：
Bulk amorphous alloys; Composites; Finite element method; Plasticity; Shear bands; BULK METALLIC-GLASS; LENGTH-SCALE; MICROSTRUCTURE; DEFORMATION; TA; BEHAVIOR; ALLOYS;
D O I：
10.1016/j.msea.2012.08.118
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Bulk metallic glassy composites reinforced by ductile TiNb particles or ceramic ZrO2 particles were fabricated successfully by spark plasma sintering, respectively. A good bonding interface between the addition particle and the glassy matrix was obtained. The plasticity of composite reinforced by TiNb particles was larger than that of composite reinforced by ZrO2. The finite element method results revealed that the initiation of shear band in the glassy matrix was related to the plastic strain misfit between the reinforcements and the glassy matrix. Thus, a larger macro-plasticity was obtained in the composites reinforced by TiNb particles with the lower yield strength and better ductility. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：40 / 46
页数：7
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