Defect assessment of bonded joints of composite tubes using shearography

Daniel P Willemann; Analucia Fantin; Armando Albertazzi Gonçalves Jr.

doi:10.1117/12.870680

13 September 2010 Defect assessment of bonded joints of composite tubes using shearography

Daniel P Willemann, Analucia Fantin, Armando Albertazzi Gonçalves Jr.

Proceedings Volume 7387, Speckle 2010: Optical Metrology; 73870J (2010) https://doi.org/10.1117/12.870680
Event: Speckle 2010, 2010, Florianapolis, Brazil

Abstract

Composite materials tubes are being used in various industrial segments, including the oil and gas industry¹. The union between adjacent composite tubes is often accomplished through adhesives, and thus the inspection for flaws in adhesive-bonded joints becomes crucial. In this context, tubes and elbows made of epoxy resin reinforced with glass fiber were assembled with adhesive in the Quick-Lock® ¹ configuration forming loops (spools). During the assemblage of these loops, artificial defects (areas without adhesive or disbondings) were inserted in its joints to evaluate the capability of failure detection by shearography. This paper presents and discusses results obtained with shearography. Shearography demonstrated great potential for application in the adhesive-bonded joints inspection, as it detected all defects artificially inserted and also real defects present in the loops joints.

Citation Download Citation

Daniel P Willemann, Analucia Fantin, and Armando Albertazzi Gonçalves Jr. "Defect assessment of bonded joints of composite tubes using shearography", Proc. SPIE 7387, Speckle 2010: Optical Metrology, 73870J (13 September 2010); https://doi.org/10.1117/12.870680

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