Out-of-plane strain measurement in sandwich plates with single fully potted insert by using digital shearography

被引：5

作者：

Huang, S. -J. ^{[1
]}

Lin, Y. -T. ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Dept Mech Engn, Chiayi 621, Taiwan

来源：

STRAIN | 2008年 / 44卷 / 03期

关键词：

digital shearography; full-field stain; fully potted insert; sandwich plate; strain field;

D O I：

10.1111/j.1475-1305.2007.00361.x

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The construction and operation of digital shearography (DS) applied to sandwich plates with a single fully potted insert have been presented. The proposed DS has the advantage of full-field and non-destructive testing, that can measure tiny out-of-plane strain in the elastic region without wasting specimen. For validation purposes, analytical solution analysis (ASA) stemming from our previous study [S. J. Huang, L. W. Chiu, M. T. Kao (2004) Structural Analysis of Sandwich Plates with Inserts - Five Layers Theory, Proc. 2004 AASRC/CCAS Joint Conf.] was conducted. By comparing the results of DS and ASA strain fields throughout the sandwich surface a convincing agreement is revealed, thus successfully showing the full-field strain measurement of the single fully inserted sandwich plates using DS.

引用

页码：253 / 258

页数：6

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