Revealing the Design Principles of High-Performance Biological Composites Using Ab initio and Multiscale Simulations: The Example of Lobster Cuticle

被引：278

作者：

Nikolov, Svetoslav ^{[2
]}

Petrov, Michal ^{[1
]}

Lymperakis, Liverios ^{[1
]}

Friak, Martin ^{[1
]}

Sachs, Christoph ^{[3
]}

Fabritius, Helge-Otto ^{[1
]}

Raabe, Dierk ^{[1
]}

Neugebauer, Joerg ^{[1
]}

机构：

[1] Max Planck Inst Eisenforsch GmbH, D-40237 Dusseldorf, Germany

[2] Bulgarian Acad Sci, Inst Mech, BU-1113 Sofia, Bulgaria

[3] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

来源：

ADVANCED MATERIALS | 2010年 / 22卷 / 04期

关键词：

ELASTIC PROPERTIES; HOMARUS-AMERICANUS; PROTEIN MATERIALS; DEFORMATION; EXOSKELETON; NANOMECHANICS; MECHANICS; CRYSTALS;

D O I：

10.1002/adma.200902019

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Natural materials are hierarchically structured nanocomposites. A bottom-up multiscale approach to model the mechanical response of the chitin-based mineralized cuticle material of Homarus americanus is presented, by combining quantum-mechanical ab initio calculations with hierarchical homogenization. The simulations show how the mechanical properties are transferred from the atomic scale through a sequence of specifically designed microstructures to realize optimal stiffness.

引用

页码：519 / +

页数：9

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