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Microscopic deformation mechanism and main influencing factors of carbon nanotube coated graphene foams under uniaxial compression
Wang, Shuai1,2; Wang C(王超)3,4; Khan, Muhammad Bilal1,2; Chen, Shaohua1,2
通讯作者Wang, Chao([email protected]) ; Chen, Shaohua([email protected])
发表期刊NANOTECHNOLOGY
2021-08-20
卷号32期号:34页码:11
ISSN0957-4484
摘要Many experiments have shown that carbon nanotube-coated (CNT-coated) graphene foam (CCGF) has specific mechanical properties, which further expand the application of graphene foam materials in many advanced fields. To reveal the microscopic deformation mechanism of CCGF under uniaxial compression and the main factors affecting their mechanical properties, numerical experiments based on the coarse-grained molecular dynamics method are systematically carried out in this paper. It is found that the relative stiffness of CNTs and graphene flakes seriously affects the microscopic deformation mechanism and strain distribution in CCGFs. The bar reinforcing mechanism will dominate the microstructural deformation in CCGFs composed of relatively soft graphene flakes, while the microstructural deformation in those composed of stiff graphene flakes will be dominated by the mechanical locking mechanism. The effects of CNT fraction, distribution of CNTs on graphene flakes, the thickness of graphene flakes, and the adhesion strength between CNTs and graphene flakes on the initial and intermediate moduli of foam materials are further studied in detail. The results of this paper should be helpful for a deep understanding of the mechanical properties of CCGF materials and the optimization design of microstructures in advanced graphene-based composites.
关键词carbon nanotube-coated graphene foam uniaxial compression numerical experiment mechanical property microscopic deformation mechanism
DOI10.1088/1361-6528/ac020c
收录类别SCI ; EI
语种英语
WOS记录号WOS:000657486900001
关键词[WOS]ELASTICITY ; STABILITY ; BEHAVIOR ; FILMS
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
资助项目NSFC[12002034] ; NSFC[11972348] ; NSFC[11532013] ; NSFC[11872114] ; NSFC[12032004] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040503]
项目资助者NSFC ; Strategic Priority Research Program of the Chinese Academy of Sciences
论文分区二类
力学所作者排名1
RpAuthorWang, Chao ; Chen, Shaohua
引用统计
被引频次:8[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/311007/86908
专题非线性力学国家重点实验室
作者单位1.Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China;
2.Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China;
3.Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China;
4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wang, Shuai,Wang C,Khan, Muhammad Bilal,et al. Microscopic deformation mechanism and main influencing factors of carbon nanotube coated graphene foams under uniaxial compression[J]. NANOTECHNOLOGY,2021,32,34,:11.Rp_Au:Wang, Chao, Chen, Shaohua
APA Wang, Shuai,王超,Khan, Muhammad Bilal,&Chen, Shaohua.(2021).Microscopic deformation mechanism and main influencing factors of carbon nanotube coated graphene foams under uniaxial compression.NANOTECHNOLOGY,32(34),11.
MLA Wang, Shuai,et al."Microscopic deformation mechanism and main influencing factors of carbon nanotube coated graphene foams under uniaxial compression".NANOTECHNOLOGY 32.34(2021):11.
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