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Hierarchical toughening of bioinspired nacre-like hybrid carbon composite
Jiao, D.1; Zhang, J.1; Liu, Y. Y.1,2; Liu, X. G.1; Zhang, Q.1; Tang, S. F.1; Liu, Z. Q.1,2; Zhang, Z. F.1,2
Corresponding AuthorLiu, Z. Q.(zengqianliu@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2021
Source PublicationCARBON
ISSN0008-6223
Volume171Pages:409-416
AbstractReplicating the architecture of natural nacre has become an important approach for enhancing the damage tolerance of man-made materials. Nevertheless, this is principally limited to systems composed of chemically different constituents and demonstrates a difficulty in realizing structural hierarchy at multiple length-scales. Here a proof of concept is presented about the implementation of bioinspired nacre-like designs in a hybrid composite of pure carbon comprising its two basic allotropic forms, i.e., natural graphite flakes and amorphous carbon from the carbonization of organics. Multiscale micro/nano-architectures with three levels of hierarchy were constructed in the composite based on the preferential alignment of graphite flakes using bidirectional freeze casting method. The composite exhibited a remarkable mechanical efficiency, specifically featured by good damage tolerance with rising R-curve behavior, owing to the activation of hierarchical toughening mechanisms at micro to nano length-scales. This verifies the potency of nacre-inspired designs for generating enhanced fracture toughness in carbon systems, even using simple raw materials, which is significant for promoting their structural applications. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordHierarchical architecture Carbon composite Bioinspiration Toughening
Funding OrganizationNational Natural Science Foundation of China ; LiaoNing Revitalization Talents Program ; Youth Innovation Promotion Association CAS
DOI10.1016/j.carbon.2020.09.041
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871216] ; National Natural Science Foundation of China[51331007] ; LiaoNing Revitalization Talents Program ; Youth Innovation Promotion Association CAS
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000598371500044
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158842
Collection中国科学院金属研究所
Corresponding AuthorLiu, Z. Q.; Zhang, Z. F.
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Jiao, D.,Zhang, J.,Liu, Y. Y.,et al. Hierarchical toughening of bioinspired nacre-like hybrid carbon composite[J]. CARBON,2021,171:409-416.
APA Jiao, D..,Zhang, J..,Liu, Y. Y..,Liu, X. G..,Zhang, Q..,...&Zhang, Z. F..(2021).Hierarchical toughening of bioinspired nacre-like hybrid carbon composite.CARBON,171,409-416.
MLA Jiao, D.,et al."Hierarchical toughening of bioinspired nacre-like hybrid carbon composite".CARBON 171(2021):409-416.
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