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Computer Modeling of the Deformation of Structural Elements Under the Conditions of Creep in the Course of Hydrogenation of the Metal Under Complex Loading

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Materials Science Aims and scope

We propose a computational model for the evaluation of the effect of hydrogen on the level of creep strains in the metal in the complex stressed state and determine the stress-strain state of a thin-walled tubular specimen under the conditions of complex loading and creep in the process of hydrogenation of the metal. The influence of the loading mode on the time to fracture of the specimen is established. It is shown that the specimens subjected to tension with internal pressure fail faster (by 30%) than the specimens tested by uniaxial tension and that hydrogen decreases the service life of the material by about 14% for all loading modes.

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Acknowledgements

The present work was financially supported by the National Research Foundation of Ukraine (Project No. 2020.02/0049), Technology Innovation Special Program of Hubei Province (2019AAA047) and the Key Technologies R&D Program of Hubei Province (2020BHB004).

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Authors and Affiliations

  1. Wuhan Fiberhome Technical Services Co., Ltd., Wuhan, China

    C. Jin

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

    О. V. Hembara & M. V. Hrynenko

  3. Lviv Polytechnic National University, Lviv, Ukraine

    О. V. Hembara

Authors
  1. C. Jin
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  2. О. V. Hembara
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  3. M. V. Hrynenko
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Correspondence to О. V. Hembara.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 57, No. 3, pp. 103–109, May–June, 2021.

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Jin, C., Hembara, О.V. & Hrynenko, M.V. Computer Modeling of the Deformation of Structural Elements Under the Conditions of Creep in the Course of Hydrogenation of the Metal Under Complex Loading. Mater Sci 57, 397–403 (2021). https://doi.org/10.1007/s11003-022-00561-6

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  • DOI: https://doi.org/10.1007/s11003-022-00561-6

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