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On the influence of heavy warm reduction on the microstructure and mechanical properties of a medium-carbon ferritic –pearlitic steel

  • L. Storojeva , D. Ponge , D. Raabe EMAIL logo and R. Kaspar
Published/Copyright: February 10, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 95 Issue 12

Abstract

The current study on a medium-carbon steel (0.36% C) with deformation-induced spheroidized cementite produced by heavy warm deformation (HWD) was carried out in order to investigate an alternative microstructural route when compared to conventional quenching and tempering (QT) or soft annealing (SA) processes. After austenite deformation, the HWD samples were cooled and heavily deformed at temperatures below the γ–α transformation followed by a simulated coiling treatment. In particular, the study addresses the influence of adiabatic heating due to the heavy deformation on the microstructure and properties. The mechanical properties after the various treatments show that the strength – ductility relation after HWD and QT are superior to those after continuous cooling (CC) or soft annealing (SA). In the microstructures obtained from the CC and SA treatments we observed lamellar pearlite which deteriorated the mechanical properties. A similar effect was observed after the adiabatic HWD treatment, which also entails some lamellar pearlite. HWD at 670 °C with subsequent coiling produced a microstructure with dispersed spheroidized cementite distributed homogeneously in the fine-grained ferrite matrix. The mechanical properties of the HWD samples are well comparable to those observed after the QT process owing to the resemblance in microstructure.

Keywords: Steel; Deformation; Cementite; Microstructure; Texture
Professor Dr. Dierk Raabe Max-Planck-Institut für Eisenforschung Max-Planck-Str. 1, D-40237 Düsseldorf, Germany Tel.: +49 211 6792 340/278 Cel.:+49 170 7852 299 Fax: +49 211 6792 333

Dedicated to Prof. Dr.-Ing. Dr. h. c. mult. Reiner Kopp on the occasion of his 65th birthday

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Received: 2004-08-04
Accepted: 2004-09-15
Published Online: 2022-02-10

© 2004 Carl Hanser Verlag, München

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https://doi.org/10.1515/ijmr-2004-0201
Keywords for this article
Steel; Deformation; Cementite; Microstructure; Texture

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Editorial
  4. Werner-Köster-Preis
  5. den Werner-Köster-Preis 2003
  6. Festabend zum 85. Geburtstag der DGM
  7. Festabend zum 85. Geburtstag der DGM
  8. Articles Applied
  9. NiAl – material for the application in gas turbines
  10. High-temperature creep behavior and hot-pressing consolidation of NiAl
  11. Direct Strip Casting of Magnesium
  12. Thermo-mechanical analysis of cast/mould interaction in casting processes
  13. Aluminum–Lithium alloy development for thixoforming
  14. On the influence of heavy warm reduction on the microstructure and mechanical properties of a medium-carbon ferritic –pearlitic steel
  15. Thermodynamic assessment of the Dy–Mg system
  16. Influence of pre-straining on mechanical properties of HSLA steel by using ball indentation technique
  17. Fabrication and application of co-continuous Al2O3/Al composite by reactive infiltration of molten Al into the preform of SiO2 with cordierite addition
  18. Articles Basic
  19. Simulation of cellular-dendritic solidification structures of binary alloys in three-dimensional growth using a multiparticle diffusion-limited aggregation model
  20. Microstructure and age-hardening effects of aluminium alloys with additions of scandium and zirconium
  21. Notifications / Mitteilungen
  22. Personal/Personelles
  23. Materials Week
  24. News/Aktuelles
  25. Books/Bücher
  26. Conferences / Konferenzen
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