Effects of loading rate on the mechanical behavior of a natural rigid composite

被引：10
|
作者：
Walter, S. L. [1 ]
Flinn, B. D. [1 ]
Mayer, G. [1 ]
机构：
[1] Univ Washington, Seattle, WA 98195 USA
来源：
ACTA BIOMATERIALIA | 2007年 / 3卷 / 03期
关键词：
sponge spicules; mechanical behavior; loading rates; energy dissipation;
D O I：
10.1016/j.actbio.2006.09.008
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The effects of loading rate variations on the stress-strain behavior, failure mechanisms, fracture modes, and energy-dissipating capability of the spicules of the sponge Euplectella aspergillum have been investigated. Comparisons were made with similar measurements on a silicate glass. It was concluded that the very thin (5-10 nm) organic layers that are interspersed with thicker layers of hydrated silica in the concentric ring structure of the spicules strongly influence all aspects of the mechanical behavior. (C) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：377 / 382
页数：6
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