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Evaluation of the Kinetics of Fracture of Elements of a Gas Pipeline After Operation

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Materials Science Aims and scope

The efficiency of the numerical-analytic approach to the evaluation of the kinetics and changes in the shapes of corrosion fatigue cracklike defects in the course of their propagation in the wall of the pipeline is experimentally demonstrated. An experimental-numerical method is proposed for the estimation of the conditions of fracture of gas pipelines after long-term operation with regard for the influence of the expected evolution of in-service defects in given media and the degradation of the properties of pipe metal. We determine the conditions under which the catastrophic failures of pipes of the “Kyiv–Western Ukraine” gas main become possible after long-operation.

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Authors and Affiliations

  1. National Technical University of Oil and Gas, Ivano-Frankivs’k, Ukraine

    E. I. Kryzhanivs’kyi, R. S. Hrabovs’kyi & I. Ya. Fedorovych

  2. Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv, Ukraine

    R. A. Barna

Authors
  1. E. I. Kryzhanivs’kyi
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  2. R. S. Hrabovs’kyi
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  3. I. Ya. Fedorovych
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  4. R. A. Barna
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Corresponding author

Correspondence to R. S. Hrabovs’kyi.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 51, No. 1, pp. 13–19, January–February, 2015.

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Kryzhanivs’kyi, E.I., Hrabovs’kyi, R.S., Fedorovych, I.Y. et al. Evaluation of the Kinetics of Fracture of Elements of a Gas Pipeline After Operation. Mater Sci 51, 7–14 (2015). https://doi.org/10.1007/s11003-015-9804-1

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  • DOI: https://doi.org/10.1007/s11003-015-9804-1

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