Heat and Mass Transfer

, Volume 47, Issue 3, pp 315–321 | Cite as

Heat transfer coefficients during quenching of steels

  • H. S. Hasan
  • M. J. Peet
  • J. M. Jalil
  • H. K. D. H. BhadeshiaEmail author


Heat transfer coefficients for quenching in water have been measured as a function of temperature using steel probes for a variety of iron alloys. The coefficients were derived from measured cooling curves combined with calculated heat-capacities. The resulting data were then used to calculate cooling curves using the finite volume method for a large steel sample and these curves have been demonstrated to be consistent with measured values for the large sample. Furthermore, by combining the estimated cooling curves with time-temperature-transformation (TTT) diagrams it has been possible to predict the variation of hardness as a function of distance via the quench factor analysis. The work should prove useful in the heat treatment of the steels studied, some of which are in the development stage.


Ferrite Martensite Heat Transfer Coefficient Cementite Pearlite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors are grateful to British Universities Iraq Consortium for funding this work, to the Ministry of Higher Education in Iraq and to the University of Cambridge for the provision of laboratory facilities.


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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • H. S. Hasan
    • 1
  • M. J. Peet
    • 2
  • J. M. Jalil
    • 1
  • H. K. D. H. Bhadeshia
    • 2
    Email author
  1. 1.Department of Electromechanical EngineeringThe University of TechnologyBaghdadIraq
  2. 2.Department of Materials Science and MetallurgyUniversity of CambridgeCambridgeUK

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