IMR OpenIR
Water-assisted self-healing and property recovery in a natural dermal armor of pangolin scales
Liu, Z. Q.; Jiao, D.; Weng, Z. Y.; Zhang, Z. F.; liuzq@imr.ac.cn; zhfzhang@imr.ac.cn
2016
Source PublicationJOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
ISSN1751-6161
Volume56Pages:14-22
AbstractSelf-healing capacity, of which the inspiration comes from biological systems, is significant for restoring the mechanical properties of materials by autonomically repairing damages. Clarifying the naturally occurring self-healing behaviors and mechanisms may provide valuable inspiration for designing synthetic self-healing materials. In this study, water assisted self-healing behavior was revealed in a natural dermal armor of pangolin scales. The indentation damages which imitate the injury caused by predatory attack can be continuously mitigated through hydration. The healing kinetics was characterized according to the variations of indentation crater dimension and quantitatively described in terms of the viscoelastic behavior of biopolymer. The mechanical properties of original, damaged, and recovered scales in both dry and wet states were systematically evaluated by three-point bending and compared through statistical analysis. The hydration effects and mechanisms were explored by examining the dynamic mechanical properties and thermal behaviors. The promoted self-healing process can be attributed to the improved flexibility of macromolecules in the biopolymer. This study may stimulate useful self-healing strategies in bio-inspired design and aid in developing high-performance synthetic self healing materials. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[liu, z. q. ; jiao, d. ; weng, z. y. ; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordSelf-healing Hydration Viscoelasticity Dynamic Mechanical Properties Biopolymer
Funding OrganizationNational Natural Science Foundation of China [51331007]; IMR SYNL-T.S. Ke Research Fellowship; China Postdoctoral Science Foundation [2014M561263]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75241
Collection中国科学院金属研究所
Corresponding Authorliuzq@imr.ac.cn; zhfzhang@imr.ac.cn
Recommended Citation
GB/T 7714
Liu, Z. Q.,Jiao, D.,Weng, Z. Y.,et al. Water-assisted self-healing and property recovery in a natural dermal armor of pangolin scales[J]. JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS,2016,56:14-22.
APA Liu, Z. Q.,Jiao, D.,Weng, Z. Y.,Zhang, Z. F.,liuzq@imr.ac.cn,&zhfzhang@imr.ac.cn.(2016).Water-assisted self-healing and property recovery in a natural dermal armor of pangolin scales.JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS,56,14-22.
MLA Liu, Z. Q.,et al."Water-assisted self-healing and property recovery in a natural dermal armor of pangolin scales".JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS 56(2016):14-22.
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