Nb(C,N) precipitation kinetics in the bainite region of a low-carbon Nb-microalloyed steel

J. S. Park, Y. K. Lee

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Abstract

Nb(C,N) precipitation in the bainite region (580-660 °C) of a low-carbon Nb-microalloyed steel was investigated by electrical resistivity and transmission electron microscopy. Nb(C,N) particles started precipitating after 100-200 s at isothermal temperatures after bainite transformation and cementite formation, and precipitation finished in 1000-2000 s. The precipitation-time-temperature diagram of Nb(C,N) in the bainite region of a low-carbon microalloyed steel was a type of C-curve, with a nose temperature of about 615 °C.

Original languageEnglish
Pages (from-to)109-112
Number of pages4
JournalScripta Materialia
Volume57
Issue number2
DOIs
Publication statusPublished - 2007 Jul 1

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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