In many modern engineering applications, designers and manufacturers of Polyvinyl chloride (PVC) pipes are interested in the evaluation of fracture toughness under several operation conditions. The aim of the present work is to investigate the fracture toughness of commercial amorphous thermoplastic PVC materials used in piping applications. The experimental work is carried out using three different specimens’ types: Taper Double Cantilever Beam (TDCB), Three Point Bend (TPB), and Compact Tension (CT). Tests are conducted on specimens with thickness (17, 20, 22, and 26 mm), longitudinal and transverse extrusion orientations, at different crosshead speeds (50–500 mm/min) to calculate the fracture toughness of PVC pipe materials. The experimental work has revealed that the crosshead speed has a significant effect on the fracture toughness at low speed rates. This effect, however, becomes insignificant at high rates since, the fracture behavior becomes brittle. The stress intensity factor is approximately the same in both longitudinal and transverse orientations. The fracture toughness decreases as the specimen thickness increases.
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November 2004
Research Papers
Influence of Crack Orientation and Crosshead Speed on the Fracture Toughness of PVC Pipe Materials
Tarek M. El-Bagory,
e-mail: Telbagory@Yahoo.com
Tarek M. El-Bagory
Mechanical Design Department, Faculty of Engineering Mataria, Helwan University, Cairo, Egypt
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Mohamed S. El-Fadaly,
e-mail: Fadaly50@hotmall.com
Mohamed S. El-Fadaly
Production and Mechanical Design Department, Faculty of Engineering, Suez Canal University, Port Said, Egypt
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Maher Y. A. Younan,
e-mail: Myounan@aucegypt.edu
Maher Y. A. Younan
Mechanical Engineering Department, The American University in Cairo, Egypt
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Lotfi A. Abdel-Latif
e-mail: Lotlatif@access.com.eg
Lotfi A. Abdel-Latif
Mechanical Design Department, Faculty of Engineering Mataria, Helwan University Cairo, Egypt
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Tarek M. El-Bagory
Mechanical Design Department, Faculty of Engineering Mataria, Helwan University, Cairo, Egypt
e-mail: Telbagory@Yahoo.com
Mohamed S. El-Fadaly
Production and Mechanical Design Department, Faculty of Engineering, Suez Canal University, Port Said, Egypt
e-mail: Fadaly50@hotmall.com
Maher Y. A. Younan
Mechanical Engineering Department, The American University in Cairo, Egypt
e-mail: Myounan@aucegypt.edu
Lotfi A. Abdel-Latif
Mechanical Design Department, Faculty of Engineering Mataria, Helwan University Cairo, Egypt
e-mail: Lotlatif@access.com.eg
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division May 13, 2004; revision received June 15, 2004. Review conducted by: S. Zamrik.
J. Pressure Vessel Technol. Nov 2004, 126(4): 489-496 (8 pages)
Published Online: December 1, 2004
Article history
Received:
May 13, 2004
Revised:
June 15, 2004
Online:
December 1, 2004
Citation
El-Bagory, T. M., El-Fadaly, M. S., Younan, M. Y. A., and Abdel-Latif, L. A. (December 1, 2004). "Influence of Crack Orientation and Crosshead Speed on the Fracture Toughness of PVC Pipe Materials ." ASME. J. Pressure Vessel Technol. November 2004; 126(4): 489–496. https://doi.org/10.1115/1.1811110
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