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Structural Engineering and Mechanics
  Volume 74, Number 5, June10 2020, pages 601-609

Investigation the fracture behavior of high-density polyethylene PE80 weakened by inclined U-notch with end hole
Saeed Soltaninezhad, Ataallah Soltani Goharrizi and Hadi Salavati

    In this article, the Strain Energy Density (SED) averaged over a well-defined control volume at a notch edge was applied in combination with the Equivalent Material Concept (EMC) to assess the fracture behaviors of some keyhole-notched specimens made of a High-Density Polyethylene (HDPE-PE80) material under mixed-mode loading conditions. An experimental program was performed and 54 new experimental data were totally provided. Additionally, different loading mode ratios were regarded by changing the inclination angles of the notches with respect to the applied load directions. The results obtained from the determined criteria were in good agreement with those of the experimental data.
Key Words
    HDPE- PE80; ductile failure; keyhole notch; loading mode ratio
Saeed Soltaninezhad, Ataallah Soltani: Department of Chemical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
Saeed Soltaninezhad: Kerman Gas Company, Kerman, Iran
Hadi Salavati: Department of Mechanical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran

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