On the origin of auxetic behaviour in the silicate α-cristobalitet

被引：68

作者：

Grima, JN ^{[1
]}

Gatt, R

Alderson, A

Evans, KE

机构：

[1] Univ Malta, Dept Chem, Msida MSD 06, Malta

[2] Univ Bolton, Ctr Mat Res & Innovat, Bolton BL3 5AB, England

[3] Univ Exeter, Dept Engn, Exeter EX4 4QF, Devon, England

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2005年 / 15卷 / 37期

关键词：

D O I：

10.1039/b508098c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The experimentally observed negative Poisson's ratios in the silicate alpha-cristobalite are explained through a two-dimensional 'rotation of rigid units' model involving 'rotating rectangles' hence providing a new insight into the way nature can achieve this unusual property.

引用

页码：4003 / 4005

页数：3

共 32 条

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Alderson A, 1999, CHEM IND-LONDON, P384

[2] Modelling the deformation mechanisms, structure-property relationships and applications of auxetic nanomaterials [J].