The mechanical behavior of the recently produced gas pipes material PE100 is investigated and compared to the commonly used material PE80 to determine their relative advantages. The two materials show plastic behavior at room temperature. The fracture toughness of the two materials is experimentally determined using the two common elastic plastic fracture mechanics methods: the American Society for Testing and Materials (ASTM) multiple specimen test method for determining the curve of the materials, and the crack opening displacement method. The investigation of the fracture behavior of the two materials includes the effect of the specimen thickness as well as specimen configuration. The experimental tests were carried on the compact tension specimens and the single edge notch bending (SENB) specimens. At −70°C, the materials show elastic behavior, the ASTM test method for determining fracture toughness is applied to SENB specimens to determine of both materials. PE80 shows greater resistance to fracture than PE100.
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February 2005
Article
Experimental Investigation Into the Fracture Toughness of Polyethylene Pipe Material
Ihab Mamdouh Graice,
e-mail: ihabgraice@hotmail.com
Ihab Mamdouh Graice
Mechanical Design Department, Faculty of Engineering, Mataria, Helwan University, Cairo, Egypt
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Maher Y. A. Younan, Professor of Mechanics and Design,
e-mail: myounan@aucegypt.edu
Maher Y. A. Younan, Professor of Mechanics and Design
Mechanical Engineering Department, American University in Cairo, Cairo, Egypt
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Soheir Ahmed Radwan Naga, Professor,
e-mail: sohnaga@hotmail.com
Soheir Ahmed Radwan Naga, Professor,
Mechanical Design Department, Faculty of Engineering, Mataria, Helwan University, Cairo, Egypt
Search for other works by this author on:
Ihab Mamdouh Graice
Mechanical Design Department, Faculty of Engineering, Mataria, Helwan University, Cairo, Egypt
e-mail: ihabgraice@hotmail.com
Maher Y. A. Younan, Professor of Mechanics and Design
Mechanical Engineering Department, American University in Cairo, Cairo, Egypt
e-mail: myounan@aucegypt.edu
Soheir Ahmed Radwan Naga, Professor,
Mechanical Design Department, Faculty of Engineering, Mataria, Helwan University, Cairo, Egypt
e-mail: sohnaga@hotmail.com
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division June 24, 2004; revision received July 14, 2004. Review conducted by: S. Zamrik.
J. Pressure Vessel Technol. Feb 2005, 127(1): 70-75 (6 pages)
Published Online: March 15, 2005
Article history
Received:
June 24, 2004
Revised:
July 14, 2004
Online:
March 15, 2005
Citation
Graice, I. M., Younan, M. Y. A., and Naga, S. A. R. (March 15, 2005). "Experimental Investigation Into the Fracture Toughness of Polyethylene Pipe Material." ASME. J. Pressure Vessel Technol. February 2005; 127(1): 70–75. https://doi.org/10.1115/1.1845478
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