Nondestructive assessment of thinning of plates using digital shearography

被引:25
作者
Sirohi, RS [1 ]
Tay, CJ [1 ]
Shang, HM [1 ]
Boo, WP [1 ]
机构
[1] Natl Univ Singapore, Singapore 119260, Singapore
关键词
digital shearography; defect detection; nondestructive testing; speckle metrology; interferometry;
D O I
10.1117/1.602210
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A novel method of estimating the remaining thickness of a defective plate having the form of localized thinning using digital shearography, based on a simple relationship between the curvature of the deflected defect and the defect geometry is presented. (C) 1999 society of Photo Optical Instrumentation Engineers. [S0091-3286(99)01709-2].
引用
收藏
页码:1582 / 1585
页数:4
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