In situ TiB-reinforced Cu-based bulk metallic glass composites

被引：41
|
作者：
Fu, HM
Wang, H
Zhang, HF [1 ]
Hu, ZQ
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
[2] Univ Queensland, Sch Engn, St Lucia, Qld 4072, Australia
来源：
SCRIPTA MATERIALIA | 2006年 / 54卷 / 11期
关键词：
bulk metallic glasses; BMG composites; ductility; hardness;
D O I：
10.1016/j.scriptamat.2006.01.048
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cu-based bulk metallic glass (BMG) composites containing in situ TiB particles were successfully fabricated. The reinforcing TiB particles with a size of 5-10 mu m are uniformly distributed in the amorphous matrix. The particles have a good bonding to the matrix with a reaction layer. The BMG composites exhibit an obvious ductility with a plastic strain of 2% for the 17.5 vol.% TiB sample due to the suppression of shear band propagation and the generation of multiple shear bands during compressive testing. The hardness of the materials is increased from Hv543 for monolithic BMG to Hv650 for 23.6 vol.% TiB-containing BMG composite. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1961 / 1966
页数：6
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