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Influence of Plastic Strain on Heat Capacity of L485ME Pipe Steel Grade

Author

Listed:
  • Adam Lipski

    (Laboratory for Research on Materials and Structures, Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, Al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland)

  • Maciej Witek

    (Department of Heating and Gas Systems, Warsaw University of Technology, Nowowiejska Str. 20, 00-653 Warszawa, Poland)

  • Mechri Abdelghani

    (Composite Structures and Innovative Materials Laboratory, University of Sciences and Technology USTOMB, BP 1505, Oran 31000, Algeria)

  • Piotr Swacha

    (Laboratory for Research on Materials and Structures, Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, Al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland)

Abstract

The aim of this work is an experimental evaluation of a specific heat capacity as a function of plastic strain for thermo-mechanically rolled pipe material, with application of an infrared thermographic camera. The tensile load tests of samples prepared of L485ME (X70M) steel grade were performed with the use of a strength machine. Based on other known material thermophysical properties, the determination of heat source parameters was conducted with the use of an infrared thermography and with an optimization task solution. A linear regression equation describing the specific heat capacity as a function of plastic percentage elongation for L485ME steel grade was determined. The experimental results of the present study showed a linear increase in the specific heat capacity in the range of the analyzed tensile deformation up to 16%. The presented methodology is suitable for assessment of the material specific heat capacity as a function of strain up to the occurrence of the sample narrowing in a direction perpendicular to the tensile force.

Suggested Citation

  • Adam Lipski & Maciej Witek & Mechri Abdelghani & Piotr Swacha, 2024. "Influence of Plastic Strain on Heat Capacity of L485ME Pipe Steel Grade," Energies, MDPI, vol. 17(7), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:7:p:1554-:d:1362929
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