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Creep Crack Growth in Polyethylene Under Combined Mode I and Mode II Loading

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Abstract

Creep crack growth characteristics under various combined mode I and mode II loadings were studied using the compact tension shear (CTS) specimens of polyethylene. Creep crack growth rates da/dtunder combined mode I and mode II loading can be correlated with a single effective stress intensity factor K Ieffderived from the combined — mode fracture toughness envelope. The steady state or constant crack growth rates which occupy the significant part of creep failure life increase with the increasing initial effective stress intensity factor.

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Authors and Affiliations

  1. College of Engineering, Nihon University, Koriyama, 963-8642, Japan

    M. Yoda

  2. College of Engineering, Nihon University, Koriyama, 963-8642, Japan

    M. Nabetani & W. Shim

Authors
  1. M. Yoda
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  2. M. Nabetani
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  3. W. Shim
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Yoda, M., Nabetani, M. & Shim, W. Creep Crack Growth in Polyethylene Under Combined Mode I and Mode II Loading. International Journal of Fracture 112, 21–26 (2001). https://doi.org/10.1023/A:1022681718523

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  • DOI: https://doi.org/10.1023/A:1022681718523

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