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Whiskers growth and self-healing in Ti-based metallic glasses during ion irradiation
Zhang K(张坤); Hu Z(胡铮); Zhao Ziqiang; Wei BC(魏炳忱); Li Yansen; Wei Yuhang; Wei bingchen
2018-04-15
发表期刊Applied Surface Science
卷号437页码:176–180
摘要

Ti-based metallic glasses were subjected to a 20 MeV Cl4+ ion radiation under liquid-nitrogen cooling.
Their responses, as well as effects of the electronic excitation and nucleus-nucleus collision were evaluated. The collision cascade during irradiation typically changes the structure by increasing the liquid-like
zone/cluster, or the content of the free volume. However, along the ion incident depth, the structure
change is inhomogeneous. Numerous whiskers appear and aggregate on the side of the irradiation surface, which are several micrometers away from the edge. This corresponds with the maximum collision
depth obtained by the Monte Carlo simulation, where nuclear loss plays a dominant role. Moreover,
the liquid-like zone continually forms, which add to the whiskers growth and subsequent self-healing.
Results suggest that the irradiation-induced local shear stress combines with the well-localized liquidlike zone results in the observed phenomena. This study demonstrates that metallic glasses have high
morphological instability under ion irradiation, which assets can pave new paths for their further applications.

DOI10.1016/j.apsusc.2017.12.166
收录类别SCI
语种英语
WOS记录号WOS:000425732700021
课题组名称NML空间材料物理力学
论文分区一类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/72199
专题国家微重力实验室
通讯作者Wei bingchen
作者单位1.Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
2.School of Engineering Science, University of Chinese Academy of Sciences, Beijing 101408, China
3.Science and Technology on Vehicle Transmission Laboratory, China North Vehicle Research Institute, Beijing 100072, China
4.School of Physics, Peking University, Beijing 100871, China
推荐引用方式
GB/T 7714
Zhang K,Hu Z,Zhao Ziqiang,et al. Whiskers growth and self-healing in Ti-based metallic glasses during ion irradiation[J]. Applied Surface Science,2018,437:176–180.
APA Zhang K.,Hu Z.,Zhao Ziqiang.,Wei BC.,Li Yansen.,...&Wei bingchen.(2018).Whiskers growth and self-healing in Ti-based metallic glasses during ion irradiation.Applied Surface Science,437,176–180.
MLA Zhang K,et al."Whiskers growth and self-healing in Ti-based metallic glasses during ion irradiation".Applied Surface Science 437(2018):176–180.
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