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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
Source PublicationApplied Surface Science
2018-04-15
Volume437Pages:176–180
ISSN0169-4332
Abstract

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
Indexed BySCI ; EI
Language英语
WOS IDWOS:000425732700021
DepartmentNML空间材料物理力学
Classification一类
Ranking1
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/72199
Collection国家微重力实验室
Corresponding AuthorWei bingchen
Affiliation1.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
Recommended Citation
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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