Impact resistance of single-layer metallic glass nanofilms to high-velocity micro-particle penetration | |
Dong JL(董金磊)1; Song X(宋鑫)2,4; Wang, Z. J.3; Xiao KL(肖凯璐)1,4; Liu, Y. H.3; Wilde, G.5; Wu XQ(吴先前)1; 蒋敏强2,4) | |
通讯作者 | Wu, X. Q.(wuxianqian@imech.ac.cn) ; Jiang, M. Q.(mqjiang@imech.ac.cn) |
发表期刊 | EXTREME MECHANICS LETTERS |
2021-04-01 | |
卷号 | 44页码:6 |
ISSN | 2352-4316 |
摘要 | Macro- and microscale metallic glasses exhibit excellent protective capability under hypervelocity projectile impact conditions. However, it is formidably challenging to evaluate the ballistic performance of metallic glasses with characteristic sizes down to the nanoscale. Here, we adopt the laser-induced micro-particle impact technique to penetrate 60-nm-thick Ni60Ta40 metallic glass nanofilms with projectile velocities in the range of 186-540 m/s. Based on the ballistic analysis, the superior impact resistance of the metallic glass nanofilms is quantitatively characterized in terms of the specific penetration energy. The post-mortem observations of the penetration features reveal that shear-banding, cracking, and bending of cracking-induced petals are the main energy dissipation modes beyond the localized perforated hole, which is strongly dependent on impact velocities. This work for the first time achieves high-strain-rate loading on nanoscale metallic glasses, and extends their engineering applications as promising armor materials for high-velocity impact protection. (C) 2021 Elsevier Ltd. All rights reserved. |
关键词 | Metallic glass nanofilm High-velocity impact Penetration Impact resistance |
DOI | 10.1016/j.eml.2021.101258 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000642464700005 |
关键词[WOS] | MECHANICAL-BEHAVIOR ; NOSED PROJECTILES ; ENERGY-ABSORPTION ; TENSILE DUCTILITY ; PLASTIC-FLOW ; PLATES ; DEFORMATION ; PERFORMANCE ; GRAPHENE ; ORIGIN |
WOS研究方向 | Engineering ; Materials Science ; Mechanics |
WOS类目 | Engineering, Mechanical ; Materials Science, Multidisciplinary ; Mechanics |
资助项目 | National Natural Science Foundation of China (NSFC) Basic Science Center for Multiscale Problems in Nonlinear Mechanics''[11988102] ; NSFC, China[11972345] ; NSFC, China[11672315] ; NSFC, China[11772347] ; Science Challenge Project, China[TZ2018001] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040302] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040303] |
项目资助者 | National Natural Science Foundation of China (NSFC) Basic Science Center for Multiscale Problems in Nonlinear Mechanics'' ; NSFC, China ; Science Challenge Project, China ; Strategic Priority Research Program of the Chinese Academy of Sciences |
论文分区 | 一类 |
力学所作者排名 | 1 |
RpAuthor | Wu, X. Q. ; Jiang, M. Q. |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/86513 |
专题 | 流固耦合系统力学重点实验室 非线性力学国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; 2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; 3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; 4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 5.Westfalische Wilhelms Univ Munster, Inst Mat Phys, D-48149 Munster, Germany |
推荐引用方式 GB/T 7714 | Dong JL,Song X,Wang, Z. J.,et al. Impact resistance of single-layer metallic glass nanofilms to high-velocity micro-particle penetration[J]. EXTREME MECHANICS LETTERS,2021,44:6. |
APA | 董金磊.,宋鑫.,Wang, Z. J..,肖凯璐.,Liu, Y. H..,...&蒋敏强2,4).(2021).Impact resistance of single-layer metallic glass nanofilms to high-velocity micro-particle penetration.EXTREME MECHANICS LETTERS,44,6. |
MLA | 董金磊,et al."Impact resistance of single-layer metallic glass nanofilms to high-velocity micro-particle penetration".EXTREME MECHANICS LETTERS 44(2021):6. |
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