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Holographic detection of defects in composites

✍ Scribed by P. Zanetta; G.P. Solomos; M. Zürn; A.C. Lucia


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
767 KB
Volume
25
Category
Article
ISSN
0030-3992

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Phase shifting holographic interferometry is shown to be a useful tool for detection of internal defects in materials by observing strain anomalies in a stressed object. The postrecording signal processing includes smoothing of the measured deformation by means of data polynomial fitting, a derivati