Crack growth of natural rubber using a modified double cantilever beam

被引：23
|
作者：
South, JT [1 ]
Case, SW [1 ]
Reifsnider, KL [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Mat Response Grp, Dept Engn Sci & Mech, Blacksburg, VA 24061 USA
来源：
MECHANICS OF MATERIALS | 2002年 / 34卷 / 08期
关键词：
natural rubber; elastomer; crack growth; double cantilever beams; tire; fatigue;
D O I：
10.1016/S0167-6636(02)00173-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The objective of this work is to investigate the crack growth properties of a natural rubber vulcanizate. This work utilizes a modified double cantilever beam (DCB) for measuring the crack propagation in natural rubber. Results of the crack growth in the plane strain dominated DCB are presented and compared to results from plane stress single edge notch test specimens. It is found that the crack growth rate in natural rubber under plane strain conditions is one hundred times faster than under plane stress. The failure surface of the DCB is examined for cavitation occurring within the rubber due to high hydrostatic pressure. No evidence of cavitation was found. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：451 / 458
页数：8
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