Rejuvenation by triaxial compression in a brittle La-based bulk metallic glass

被引：1
|
作者：
Shao, K. W. [1 ,2 ,3 ]
Zhou, W. H. [3 ,4 ]
Gao, K. [5 ]
Zhu, X. G. [5 ]
Jia, P. [1 ,2 ]
Li, Y. [3 ]
机构：
[1] Northeastern Univ, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 110819, Peoples R China
[2] Northeastern Univ, Sch Met, Shenyang 110819, Peoples R China
[3] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
[4] Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
[5] Dongguan Yihao Met Technol Co Ltd, Dongguan 523686, Peoples R China
来源：
MATERIALS LETTERS | 2022年 / 320卷
基金：
中国国家自然科学基金;
关键词：
Amorphous materials; Triaxial compression; Rejuvenation; Thermal analysis; Hardness; ALLOY;
D O I：
10.1016/j.matlet.2022.132336
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Rejuvenation was achieved in brittle (La50Ce50)(65)Co25Al10 bulk metallic glasses (BMGs) by compressing a notched sample. The rejuvenated sample shows low hardness (reduced by 7%), high relaxation enthalpy (increased by 44%) compared with those of as-cast sample. Most importantly, our results show that, in terms of percentage increase in relaxation enthalpy per strain, the rejuvenation ability of La-based BMG is higher than that of Zr-based BMG under plastic deformation. Our findings demonstrated the powerful rejuvenation ability for triaxial compression once again.
引用
收藏
页数：3
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