Irradiation-induced homogeneous plasticity in amorphous/amorphous nanolaminates

被引：1

作者：

L.Huang ^{[1
]}

Z.Q.Chen ^{[2
]}

P.Huang ^{[1
]}

X.K.Meng ^{[2
]}

F.Wang ^{[3
]}

机构：

[1] State Key Laboratory for Mechanical Behavior of Material, School of Materials Science and Engineering, Xi'an Jiaotong University

[2] Institute of Materials Engineering, National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures,Nanjing University

[3] State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi'an Jiaotong University

来源：

JournalofMaterialsScience&Technology | 2020年 / 57卷 / 22期

基金：

中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TG139.8 [];

学科分类号：

摘要：

Achieving homogeneous plastic deformation in metallic glasses is a long-standing goal yet to be solved in materials science. Here we investigate the effect of ion irradiation on the plastic deformation behavior of ZrCu/ZrCuNiAlSi amorphous/amorphous nanolaminates(A/ANLs) via nanoindentation testing. The experimental results indicate a dramatic change in deformation mode from multiple shear banding events to homogeneous compressive deformation before and after ion irradiation on the A/ANLs in the areas underneath the indenter. Ion irradiation-induced changes of both fraction and distribution of free volume inside each constituent layer and interfacial state in the A/ANLs may be responsible for the unusual homogeneous deformation behavior. Our results suggest that the mechanical property of A/ANLs could be modified by tuning both the inner and interfacial structure via ion irradiation.

引用

页码：70 / 77

页数：8

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