The relationship between mechanical properties and crossed-lamellar structure of mollusk shells

被引：44

作者：

Liang, Yan ^{[1
]}

Zhao, Jie ^{[1
]}

Wang, Lai ^{[1
]}

Li, Feng-min ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 483-84卷 / 309-312期

关键词：

shell; crossed-lamellar structure; mechanical properties; toughening mechanism;

D O I：

10.1016/j.msea.2006.09.156

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Composites produced in nature, such as mollusk shells, bones, etc., are renowned for their unique structures and excellent properties. In this paper the microstructure and mechanical properties of the shell of Conus betulina Linnaeus are investigated. The results indicate that the mechanical properties of the shell are anisotropic. After removal of the organic protein in the shell, the three-point bending strength significantly decreases, to about 1/20th or 1/30th of the original value. The organic matrix plays an important role in the hierarchical structure of the conch shells, as it promotes load transfer between adjacent aragonite layers. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：309 / 312

页数：4

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