Enhanced spall strength of an Al0.1CoCrFeNi high-entropy alloy by the pre-strain method

被引：0
|
作者：
Xu, J. [1 ]
Chen, L. Z. [1 ]
Zhang, N. B. [2 ,3 ]
Cai, Y. [1 ,4 ]
Luo, S. N. [2 ,3 ]
机构：
[1] Peac Inst Multiscale Sci, Chengdu, Sichuan, Peoples R China
[2] Southwest Jiaotong Univ, Key Lab Adv Technol Mat, Minist Educ, Chengdu, Sichuan, Peoples R China
[3] Southwest Jiaotong Univ, Dynam Mat Data Sci Ctr, Chengdu, Sichuan, Peoples R China
[4] Extreme Mat Dynam Technol Lab, Chengdu, Sichuan, Peoples R China
来源：
MATERIALS LETTERS | 2024年 / 376卷
关键词：
Deformation and fracture; Metals and alloys; Microstructure; Pre-strain; Spallation;
D O I：
10.1016/j.matlet.2024.137270
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of pre-strain on spallation damage of an Al0.1CoCrFeNi high-entropy alloy are investigated with plate impact loading. During the pre-strain process, Kink bands and dislocations are generated in the microstructures. Pre-strain smears elastic-plastic transition upon shock loading and improves spall strength via dislocation strengthening. Although the level of pre-strain does not affect the ductile damage mode, it has a pronounced effect on damage evolution.
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页数：4
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