Damage Energy Evaluation in [55/-55]9 Composite Pipes using Acoustic Emission Method
Publish place: Mechanics of Advanced Composite Structures، Vol: 2، Issue: 2
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MACS-2-2_005
تاریخ نمایه سازی: 14 تیر 1399
Abstract:
In this study, the longitudinal and hoop tensile strengths of an industrial ±55° Glass Reinforced Epoxy (GRE) pipe with eighteen layers as well as the associated failure mechanisms are determined. To obtain the longitudinal and hoop tensile strengths values, three specimens are cut from the studied GRE pipe in each direction. A comparison is done between both the strength values, and the fracture pattern of the specimens is studied. Determining the different failure mechanisms which are created during both of the tests, the acoustic emission technique is used. The acoustic emission energy as an important damage parameter in determining the different failure mechanisms of the specimens is depicted for both of the tests and is related to the obtained results from the stress-time curve. A high magnification camera is used to verify the failure mechanisms characterized by the acoustic emission method.
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Authors
Hamid Reza Mahdavi
Faculty of MechanicalEengineering, Tarbiat Modares University, Tehran, Iran
Gholam Hosein Rahimi
Faculty of MechanicalEengineering, Tarbiat Modares University, Tehran, Iran
Amin Farrokhabadi
Faculty of MechanicalEengineering, Tarbiat Modares University, Tehran, Iran
Hossein Saadatmand
Department of Engineering Design, National Iranian Gas Company, Boushehr, Iran
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