| Autors: Staykov, K. G., Ganchev, D. S. Title: Ultrasonic Evaluation of Interconnecting Pipe Adhesive Joints in Glass Fiber Reinforced Polymer Pipelines Keywords: glass fiber reinforced polymer, pipes, filament winding, pip Abstract: Steel pipeline structure is a proven technology for reliable transportation of oil and gas. Steel structures suffer several major disadvantages: corrosion, high costs of pipeline assembly procedure and time consuming expensive testing of welded sections. Pipelines made by glass fiber reinforced polymer (GFRP) composite materials on the other hand are relatively recent innovation and in the last few years have been found in an increasing number of pipeline structures built in. The present paper ultrasonic testing technique is developed in order to evaluate adhesive bonded joints of GFRP pipelines. Experimental samples containing artificial defects have been manufactured. Experimental set-up and the main results after evaluation are presented and discussed. Validation of the results show that the proposed technique is an attractive tool for the in-field quality assessment and structural integrity evaluation of adhesively bonded GFRP pipelines. References Issue
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