Full-field deformation measurement of fiber composite pressure vessel using digital speckle correlation method

被引：68
|
作者：
Yao, XF [1 ]
Meng, LB
Jin, JC
Yeh, HY
机构：
[1] Tsing Hua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
[2] Calif State Univ Long Beach, Dept Mech & Aerosp Engn, Long Beach, CA 90840 USA
来源：
POLYMER TESTING | 2005年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
digital speckle correlation method; deformation measurement; composite pressure vessel; strain field;
D O I：
10.1016/j.polymertesting.2004.05.009
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Applications of the digital speckle correlation method (DSCM) for the full-field deformation measurement of carbon fiber/epoxy composite pressure vessel were investigated and the basic principles of displacement measurement by DSCM are briefly given. The full-field displacement and strain distribution of a composite pressure. vessel were evaluated under internal pressure. The results of the average strain value show a good agreement with the results from conventional electronic strain gauge technology. The results reveal that the DSCM is suitable for deformation measurement of composite pressure vessels in real engineering practice. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：245 / 251
页数：7
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