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On Suitability of the Averaged Strain Energy Density Criterion in Predicting Mixed Mode I/II Brittle Fracture of Blunt V-Notches with Negative Mode I Contributions

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Strength of Materials Aims and scope

The main goal of the present research is to check the suitability of the well-known brittle fracture criterion, namely the averaged strain energy density (ASED), in predicting mixed mode I/II brittle fracture of round V-notches under negative mode I conditions. For this purpose, it is attempted for the first time to theoretically predict the fracture loads of numerous round-tip V-notched Brazilian disk (RV-BD) specimens made of PMMA and subjected to mixed mode I/II loading with negative mode I contributions that have been most recently reported in the open literature. It is revealed that ASED criterion is suitable for brittle fracture prediction not only under conventional mixed mode I/II loading conditions, but also under mixed mode I/II loading with negative mode I contributions.

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Authors and Affiliations

  1. Fracture Research Laboratory, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran

    A. R. Torabi

  2. Department of Engineering Design and Materials, Norwegian University of Science and Technology (NTNU), Trondheim, Norway

    N. Razavi & F. Berto

  3. Fatigue and Fracture Research Laboratory, Center of Excellence in Experimental Solid Mechanics and Dynamics, School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran

    M. R. Ayatollahi

Authors
  1. A. R. Torabi
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  2. N. Razavi
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  3. F. Berto
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  4. M. R. Ayatollahi
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Corresponding author

Correspondence to F. Berto.

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Translated from Problemy Prochnosti, No. 5, pp. 103 – 121, September – October, 2019.

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Torabi, A.R., Razavi, N., Berto, F. et al. On Suitability of the Averaged Strain Energy Density Criterion in Predicting Mixed Mode I/II Brittle Fracture of Blunt V-Notches with Negative Mode I Contributions. Strength Mater 51, 770–785 (2019). https://doi.org/10.1007/s11223-019-00126-0

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