IMECH-IR  > 非线性力学国家重点实验室
Three-dimensional Sponges with Super Mechanical Stability: Harnessing True Elasticity of Individual Carbon Nanotubes in Macroscopic Architectures
Dai ZH; Liu LQ; Qi XY; Kuang J; Wei YG(魏悦广); Zhu HW; Zhang Z; Liu, LQ (reprint author), Natl Ctr Nanosci & Technol, CAS Key Lab Nanosyst & Hierach Fabricat, Beijing 100190, Peoples R China.
Source PublicationSCIENTIFIC REPORTS
2016-01-06
Volume6Pages:8930
ISSN2045-2322
AbstractEfficient assembly of carbon nanotube (CNT) based cellular solids with appropriate structure is the key to fully realize the potential of individual nanotubes in macroscopic architecture. In this work, the macroscopic CNT sponge consisting of randomly interconnected individual carbon nanotubes was grown by CVD, exhibiting a combination of super-elasticity, high strength to weight ratio, fatigue resistance, thermo-mechanical stability and electro-mechanical stability. To deeply understand such extraordinary mechanical performance compared to that of conventional cellular materials and other nanostructured cellular architectures, a thorough study on the response of this CNT-based spongy structure to compression is conducted based on classic elastic theory. The strong inter-tube bonding between neighboring nanotubes is examined, believed to play a critical role in the reversible deformation such as bending and buckling without structural collapse under compression. Based on in-situ scanning electron microscopy observation and nanotube deformation analysis, structural evolution (completely elastic bending-buckling transition) of the carbon nanotubes sponges to deformation is proposed to clarify their mechanical properties and nonlinear electromechanical coupling behavior.
DOI10.1038/srep18930
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Indexed BySCI
Language英语
WOS IDWOS:000368094300001
WOS KeywordPOLYURETHANE FOAMS ; FATIGUE RESISTANCE ; GRAPHENE ; AEROGELS ; OIL ; COMPRESSIBILITY ; COMPOSITES ; ABSORPTION ; ULTRALIGHT ; STRENGTH
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
Funding OrganizationThis project was jointly supported by the National Key Basic Research Program of China (Grant Nos. 2012CB937503 and 2013CB934203) and the National Natural Science Foundation of China (Grant Nos. 51173030, 11225210, 21474023 and 11222217).
DepartmentLNM新型材料及结构的多尺度力学
Classification一类
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58641
Collection非线性力学国家重点实验室
Corresponding AuthorLiu, LQ (reprint author), Natl Ctr Nanosci & Technol, CAS Key Lab Nanosyst & Hierach Fabricat, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Dai ZH,Liu LQ,Qi XY,et al. Three-dimensional Sponges with Super Mechanical Stability: Harnessing True Elasticity of Individual Carbon Nanotubes in Macroscopic Architectures[J]. SCIENTIFIC REPORTS,2016,6:8930.
APA Dai ZH.,Liu LQ.,Qi XY.,Kuang J.,魏悦广.,...&Liu, LQ .(2016).Three-dimensional Sponges with Super Mechanical Stability: Harnessing True Elasticity of Individual Carbon Nanotubes in Macroscopic Architectures.SCIENTIFIC REPORTS,6,8930.
MLA Dai ZH,et al."Three-dimensional Sponges with Super Mechanical Stability: Harnessing True Elasticity of Individual Carbon Nanotubes in Macroscopic Architectures".SCIENTIFIC REPORTS 6(2016):8930.
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