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Viscous surface flow induced on Ti-based bulk metallic glass by heavy ion irradiation
Zhang K(张坤); Hu Z(胡铮); Li, FJ; Wei BC(魏炳忱); Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China.
2016-12-30
发表期刊APPLIED SURFACE SCIENCE
卷号390页码:941-945
ISSN0169-4332
摘要

Ti-based bulk metallic glass was irradiated by a 20 MeV Cl4+ ion beam under liquid-nitrogen cooling, which produced remarkable surface smoothing and roughening that respectively correspond to normal and off-normal incidence angles of irradiation. Atomic force microscopy confirms two types of periodic ripples distributed evenly over the rough glass surface. In terms of mechanism, irradiation-induced viscosity agrees with the theoretical prediction for metallic glasses near glass transition temperature. Here, a model is introduced, based on relaxation of confined viscous flow with a thin liquid-like layer, that explains both surface smoothing and ripple formation. This study demonstrates that bulk metallic glass has high morphological instability and low viscosity under ion irradiation, which assets can pave new paths for metallic glass applications. (C) 2016 Published by Elsevier B.V.

关键词Metallic Glass Ion irradiatIon Viscous Flow
DOI10.1016/j.apsusc.2016.08.083
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000385900700115
关键词[WOS]MECHANICAL-STRESS ; RELAXATION ; INSTABILITY ; FE40NI40B20 ; TRANSITION ; MORPHOLOGY ; EVOLUTION ; LIQUIDS ; DAMAGE ; CREEP
WOS研究方向Chemistry ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
项目资助者National Natural Science Foundation of China(51271193 ; 11332011 ; 51401028)
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True
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/59696
专题国家微重力实验室
通讯作者Wei, BC (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Zhang K,Hu Z,Li, FJ,et al. Viscous surface flow induced on Ti-based bulk metallic glass by heavy ion irradiation[J]. APPLIED SURFACE SCIENCE,2016,390:941-945.
APA Zhang K,Hu Z,Li, FJ,Wei BC,&Wei, BC .(2016).Viscous surface flow induced on Ti-based bulk metallic glass by heavy ion irradiation.APPLIED SURFACE SCIENCE,390,941-945.
MLA Zhang K,et al."Viscous surface flow induced on Ti-based bulk metallic glass by heavy ion irradiation".APPLIED SURFACE SCIENCE 390(2016):941-945.
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