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Griffith Criterion for Brittle Fracture in Graphene
Yin HQ; Qi HJ; Fan FF; Zhu T; Wang BL(王宝林); Wei YJ(魏宇杰); Wei, YJ (reprint author), Chinese Acad Sci, LNM, Inst Mech, Beijing 100190, Peoples R China.
Source PublicationNANO LETTERS
2015-01
Volume15Issue:3Pages:1918-1924
ISSN1530-6984
AbstractThere are prevailing concerns with the critical dimensions when conventional theories break down. Here we find that the Griffith criterion remains valid for cracks down to 10 rim but overestimates the strength of shorter cracks. We observe the preferred crack extension along the zivag edge in graphene, and explain this phenomenon by local strength-based failure rather, than energy-based Griffith criterion. These results provide a mechanistic basis for reliable applications of graphene in miniaturized: devices and nanocomposites.
KeywordGriffith Criterion Graphene Fracture Edge Energy Molecular Dynamics
Subject AreaChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
DOI10.1021/nl5047686
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000351188000072
WOS KeywordPOLYCRYSTALLINE GRAPHENE ; INTRINSIC STRENGTH ; GRAIN-BOUNDARIES ; SHEETS
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationNSFC [11425211, 11021262, 11272327] ; MOST 973 of China [2012BC937500] ; AFOSR [FA9550-13-1-0088] ; NSF [CMMI-1100205]
DepartmentLNM微结构计算力学(筹)
Classification一类
Citation statistics
Cited Times:77[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49908
Collection非线性力学国家重点实验室
Corresponding AuthorWei, YJ (reprint author), Chinese Acad Sci, LNM, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Yin HQ,Qi HJ,Fan FF,et al. Griffith Criterion for Brittle Fracture in Graphene[J]. NANO LETTERS,2015,15(3):1918-1924.
APA Yin HQ.,Qi HJ.,Fan FF.,Zhu T.,Wang BL.,...&Wei, YJ .(2015).Griffith Criterion for Brittle Fracture in Graphene.NANO LETTERS,15(3),1918-1924.
MLA Yin HQ,et al."Griffith Criterion for Brittle Fracture in Graphene".NANO LETTERS 15.3(2015):1918-1924.
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