High-entropy alloy particle reinforced Al-based amorphous alloy composite with ultrahigh strength prepared by spark plasma sintering

被引：87
|
作者：
Tan, Zhen [1 ]
Wang, Lu [1 ,2 ]
Xue, Yunfei [1 ,2 ]
Zhang, Peng [1 ]
Cao, Tangqing [1 ]
Cheng, Xingwang [1 ,2 ]
机构：
[1] Beijing Inst Technol, Sch Mat Sci & Engn, 5 South Zhongguancun St, Beijing 100081, Peoples R China
[2] Natl Key Lab Sci & Technol Mat Shock & Impact, Beijing 100081, Peoples R China
来源：
MATERIALS & DESIGN | 2016年 / 109卷
基金：
中国国家自然科学基金;
关键词：
Metal matrix composites; Powder metallurgy; Crystal structure; Diffusion; Mechanical properties; MECHANICAL-PROPERTIES; MATRIX COMPOSITES; MICROSTRUCTURE; CO; POWDER; GLASS; SIZE;
D O I：
10.1016/j.matdes.2016.07.086
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An Al0.6CoCrFeNi high-entropy alloy (HEA) particle reinforced Al65Cu16.5Ti18.5 amorphous alloy composite was prepared by spark plasma sintering (SPS). There is an interdiffusion (ID) layer between the HEA particle and the matrix. The yield strength of the composite is as high as 3120 +/- 80 MPa, which was attributed to the combined action of the stable propagation of cracks, the significant increase of fracture surface energy, and the relative low content of sintering defects in the matrix. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：219 / 226
页数：8
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