Latent heat of martensitic transformation in a medium-carbon low-alloy steel

Seok Jae Lee, Young Kook Lee

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The latent heat of non-equilibrium martensitic transformation in AISI 4340 steel was obtained from experiments to measure the heat transfer coefficient and numerical calculations-using the inverse method based on the finite-difference method-of heat transfer and martensitic transformation kinetics. The average and maximum increases in surface temperature of a cylindrical specimen during oil quenching due to the temperature-dependent latent heat were 43 and 83 °C, respectively, indicating the importance of martensite latent heat for accurate heat treatment simulation.

Original languageEnglish
Pages (from-to)1016-1019
Number of pages4
JournalScripta Materialia
Volume60
Issue number11
DOIs
Publication statusPublished - 2009 Jun 1

Fingerprint

high strength steels
Latent heat
carbon steels
Martensitic transformations
martensitic transformation
latent heat
High strength steel
Carbon
Steel
heat transfer coefficients
martensite
Finite difference method
Martensite
Heat transfer coefficients
surface temperature
Quenching
Oils
heat treatment
oils
heat transfer

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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Latent heat of martensitic transformation in a medium-carbon low-alloy steel. / Lee, Seok Jae; Lee, Young Kook.

In: Scripta Materialia, Vol. 60, No. 11, 01.06.2009, p. 1016-1019.

Research output: Contribution to journalArticle

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AB - The latent heat of non-equilibrium martensitic transformation in AISI 4340 steel was obtained from experiments to measure the heat transfer coefficient and numerical calculations-using the inverse method based on the finite-difference method-of heat transfer and martensitic transformation kinetics. The average and maximum increases in surface temperature of a cylindrical specimen during oil quenching due to the temperature-dependent latent heat were 43 and 83 °C, respectively, indicating the importance of martensite latent heat for accurate heat treatment simulation.

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