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Modeling of stress distribution on the basis of the measured values of strain and temperature changes

  • Received: 25 April 2019 Accepted: 03 June 2019 Published: 05 July 2019
  • This paper proposes a new mathematical model for calculation of stresses on the basis of experimentally measured values of strains and temperature changes for niobium microalloyed steel. Construction of model was done using a multiple regression analysis of the measured values of temperature change, deformation and stresses at four different stretching rates. All investigations were conducted on samples from the niobium microalloyed steel, using thermography and digital image correlation during static tensile testing. Constructed model was tested and validated on the experimentally obtained results. Model showed a good agreement of calculated stress values with experimentally obtained ones.

    Citation: Ivan Jandrlić, Stoja Rešković, Dušan Ćurčija, Ladislav Lazić, Tin Brlić. Modeling of stress distribution on the basis of the measured values of strain and temperature changes[J]. AIMS Materials Science, 2019, 6(4): 601-609. doi: 10.3934/matersci.2019.4.601

    Related Papers:

  • This paper proposes a new mathematical model for calculation of stresses on the basis of experimentally measured values of strains and temperature changes for niobium microalloyed steel. Construction of model was done using a multiple regression analysis of the measured values of temperature change, deformation and stresses at four different stretching rates. All investigations were conducted on samples from the niobium microalloyed steel, using thermography and digital image correlation during static tensile testing. Constructed model was tested and validated on the experimentally obtained results. Model showed a good agreement of calculated stress values with experimentally obtained ones.


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