A research program evaluating the effect of elevated temperature in the acoustic emission testing of fiberglass vessels was completed recently. The program aimed at evaluating the current ASME provisions that require acoustic emission testing for Class II vessels be carried out at operating temperature in the event that the operating temperature exceeds (). Lack of data from fiber reinforced polymer vessels and/or components that have been subjected to acoustic emission evaluation at elevated temperature has resulted in speculation regarding the appropriateness of conducting the acoustic emission evaluation at elevated temperature. To address these issues, an experimental investigation was conducted on representative coupon specimens and pressurized cylindrical specimens at differing temperatures. The results from the coupon tests were presented in a previous publication. This paper will present the results of the cylindrical specimens and compare them to the coupon specimens drawing the final conclusions from the overall results of the program. The results from this study resulted in changes in the body of the ASME code for testing pressure vessels with acoustic emission at temperature.
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e-mail: willy@uta.edu
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October 2009
Research Papers
Influence of Elevated Temperature on the Acoustic Emission Evaluation of FRP Vessels Through Internal Fluid Pressure Tests
Guillermo Ramirez,
Guillermo Ramirez
PE Assistant Professor
Department of Civil and Environmental Engineering,
e-mail: willy@uta.edu
University of Texas at Arlington
, P.O. Box 19308, Arlington, TX 76019-0308
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Paul H. Ziehl,
Paul H. Ziehl
PE Associate Professor
Department of Civil and Environmental Engineering,
e-mail: ziehl@engr.sc.edu
University of South Carolina
, 300 Main Street, Columbia, SC 29208
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Timothy J. Fowler
Timothy J. Fowler
Department of Civil Engineering, Ferguson Structural Engineering Laboratory,
e-mail: fowlermarietim@hughes.net
University of Texas at Austin
, 10100 Burnet Road, Building No. 177, Austin, TX 78731
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Guillermo Ramirez
PE Assistant Professor
Department of Civil and Environmental Engineering,
University of Texas at Arlington
, P.O. Box 19308, Arlington, TX 76019-0308e-mail: willy@uta.edu
Paul H. Ziehl
PE Associate Professor
Department of Civil and Environmental Engineering,
University of South Carolina
, 300 Main Street, Columbia, SC 29208e-mail: ziehl@engr.sc.edu
Timothy J. Fowler
Department of Civil Engineering, Ferguson Structural Engineering Laboratory,
University of Texas at Austin
, 10100 Burnet Road, Building No. 177, Austin, TX 78731e-mail: fowlermarietim@hughes.net
J. Pressure Vessel Technol. Oct 2009, 131(5): 051401 (6 pages)
Published Online: July 24, 2009
Article history
Received:
April 25, 2008
Revised:
July 12, 2008
Published:
July 24, 2009
Citation
Ramirez, G., Ziehl, P. H., and Fowler, T. J. (July 24, 2009). "Influence of Elevated Temperature on the Acoustic Emission Evaluation of FRP Vessels Through Internal Fluid Pressure Tests." ASME. J. Pressure Vessel Technol. October 2009; 131(5): 051401. https://doi.org/10.1115/1.3122771
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Front Matter
Companion Guide to the ASME Boiler & Pressure Vessel Codes, Volume 2, Sixth Edition
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Section VIII: Division 2–Alternative Rules
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