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Title: Estimating the depth and width of arbitrarily-oriented disbonds in laminates using shearography
Authors: Shang, H.M. 
Chau, F.S. 
Tay, C.J. 
Toh, S.L. 
Keywords: arbitrarily-oriented disbonds
depth of disbonds
shape of disbonds
size of disbonds
Issue Date: Mar-1990
Citation: Shang, H.M.,Chau, F.S.,Tay, C.J.,Toh, S.L. (1990-03). Estimating the depth and width of arbitrarily-oriented disbonds in laminates using shearography. Journal of Nondestructive Evaluation 9 (1) : 19-26. ScholarBank@NUS Repository.
Abstract: Disbonds in a laminated plate are readily revealed from anomalies in the fringe pattern of a shearogram. The shearographic fringes represent loci of constant displacement derivatives of the deformed surface of the plate when subjected to a load increment such as vacuum stressing. In this investigation, a simple method is developed for easy estimation of the size and depth of arbitrarily-oriented square disbonds in laminated plates from a shearogram. The theory and experimental method presented may also be extended to the assessment of disbonds of arbitrary shapes. © 1990 Plenum Publishing Corporation.
Source Title: Journal of Nondestructive Evaluation
ISSN: 01959298
DOI: 10.1007/BF00566979
Appears in Collections:Staff Publications

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