Experimental Investigation Into the Fracture Toughness of Polyethylene Pipe Material-Reference-Cited by-同舟云学术

Experimental Investigation Into the Fracture Toughness of Polyethylene Pipe Material

Published:2005-02-01 Issue:1 Volume:127 Page:70-75
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Graice Ihab Mamdouh¹,Younan Maher Y. A.²,Naga Soheir Ahmed Radwan¹

Affiliation:

1. Mechanical Design Department, Faculty of Engineering, Mataria, Helwan University, Cairo, Egypt

2. Mechanical Engineering Department, American University in Cairo, Cairo, Egypt

Abstract

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 J-R 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 KIC of both materials. PE80 shows greater resistance to fracture than PE100.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/127/1/70/5573584/70_1.pdf

Reference19 articles.

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2. Chung, W. N., and Williams, J. G., 1991, “Determination of JIC for Polymers Using the Single Specimen Method,” Elastic-Plastic Fracture Test Methods: The Useres Experience (2nd volume), ASTM STP114, J. A. Toyce, ed., American Society for Testing and Materials, Philadelphia, pp. 320–339.

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