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Mechanical properties of crossed-lamellar structures in biological shells: A review
Li, X. W.; Ji, H. M.; Yang, W.; Zhang, G. P.; Chen, D. L.; Li, XW (reprint author), Northeastern Univ, Minist Educ, Sch Mat Sci & Engn, Dept Mat Phys & Chem, Shenyang 110819, Liaoning, Peoples R China.; Li, XW (reprint author), Northeastern Univ, Minist Educ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China.
2017-10-01
发表期刊ELSEVIER SCIENCE BV
ISSN1751-6161
卷号74页码:54-71
摘要The self-fabrication of materials in nature offers an alternate and powerful solution towards the grand challenge of designing advanced structural materials, where strength and toughness are always mutually exclusive. Crossed-lamellar structures are the most common microstructures in mollusks that are composed of aragonites and a small amount of organic materials. Such a distinctive composite structure has a fracture toughness being much higher than that of pure carbonate mineral. These structures exhibiting complex hierarchical micro-architectures that span several sub-level lamellae from microscale down to nanoscale, can be grouped into two types, i.e., platelet-like and fiber-like crossed-lamellar structures based on the shapes of basic building blocks. It has been demonstrated that these structures have a great potential to strengthen themselves during deformation. The observed underlying toughening mechanisms include microcracking, channel cracking, interlocking, uncracked-ligament bridging, aragonite fiber bridging, crack deflection and zig-zag, etc., which play vital roles in enhancing the fracture resistance of shells with the crossed-lamellar structures. The exploration and utilization of these important toughening mechanisms have attracted keen interests of materials scientists since they pave the way for the development of bio-inspired advanced composite materials for load-bearing structural applications. This article is aimed to review the characteristics of hierarchical structures and the mechanical properties of two kinds of crossed-lamellar structures, and further summarize the latest advances and biomimetic applications based on the unique crossed-lamellar structures.; The self-fabrication of materials in nature offers an alternate and powerful solution towards the grand challenge of designing advanced structural materials, where strength and toughness are always mutually exclusive. Crossed-lamellar structures are the most common microstructures in mollusks that are composed of aragonites and a small amount of organic materials. Such a distinctive composite structure has a fracture toughness being much higher than that of pure carbonate mineral. These structures exhibiting complex hierarchical micro-architectures that span several sub-level lamellae from microscale down to nanoscale, can be grouped into two types, i.e., platelet-like and fiber-like crossed-lamellar structures based on the shapes of basic building blocks. It has been demonstrated that these structures have a great potential to strengthen themselves during deformation. The observed underlying toughening mechanisms include microcracking, channel cracking, interlocking, uncracked-ligament bridging, aragonite fiber bridging, crack deflection and zig-zag, etc., which play vital roles in enhancing the fracture resistance of shells with the crossed-lamellar structures. The exploration and utilization of these important toughening mechanisms have attracted keen interests of materials scientists since they pave the way for the development of bio-inspired advanced composite materials for load-bearing structural applications. This article is aimed to review the characteristics of hierarchical structures and the mechanical properties of two kinds of crossed-lamellar structures, and further summarize the latest advances and biomimetic applications based on the unique crossed-lamellar structures.
部门归属[li, x. w. ; ji, h. m. ; yang, w.] northeastern univ, minist educ, sch mat sci & engn, dept mat phys & chem, shenyang 110819, liaoning, peoples r china ; [li, x. w. ; ji, h. m. ; yang, w.] northeastern univ, minist educ, sch mat sci & engn, key lab anisotropy & texture mat, shenyang 110819, liaoning, peoples r china ; [yang, w. ; zhang, g. p.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [yang, w.] eth, dept mat, vladimir prelog weg 5, ch-8093 zurich, switzerland ; [ji, h. m. ; chen, d. l.] ryerson univ, dept mech & ind engn, 350 victoria st, toronto, on m5b 2k3, canada
关键词Biological Shell Crossed-lamellar Structure Mechanical Property Indentation Compression Bending
学科领域Engineering, Biomedical ; Materials Science, bioMaterials
资助者Fundamental Research Funds for the Central University of China [N150506002]; National Natural Science Foundation of China (NSFC) [51571058, 51231002]; Natural Sciences and Engineering Research Council of Canada (NSERC)
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79075
专题中国科学院金属研究所
通讯作者Li, XW (reprint author), Northeastern Univ, Minist Educ, Sch Mat Sci & Engn, Dept Mat Phys & Chem, Shenyang 110819, Liaoning, Peoples R China.; Li, XW (reprint author), Northeastern Univ, Minist Educ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China.
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Li, X. W.,Ji, H. M.,Yang, W.,et al. Mechanical properties of crossed-lamellar structures in biological shells: A review[J]. ELSEVIER SCIENCE BV,2017,74:54-71.
APA Li, X. W..,Ji, H. M..,Yang, W..,Zhang, G. P..,Chen, D. L..,...&Li, XW .(2017).Mechanical properties of crossed-lamellar structures in biological shells: A review.ELSEVIER SCIENCE BV,74,54-71.
MLA Li, X. W.,et al."Mechanical properties of crossed-lamellar structures in biological shells: A review".ELSEVIER SCIENCE BV 74(2017):54-71.
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