A Simple Mathematical Model for Establishing Isothermal Transformation Kinetics from Continuous Cooling Data

Jeong Min Kim, Minwoo Kang, Nam Hoon Goo, Seung Hyun Hong, Jae Hyeok Shim, Young Kook Lee, Kyung Jong Lee

Research output: Contribution to journalArticle

Abstract

A simple mathematical model for establishing isothermal transformation kinetics from continuous cooling transformation data is presented. A new regression function of k, which is a reaction parameter of the Johnson–Mehl–Avrami equation, is proposed. The isothermal transformation kinetics of austenite-pearlite transformation in a eutectoid steel is converted from continuous cooling transformation data using the regression function in combination with the inverse additivity rule. The converted isothermal transformation kinetics excellently agrees with experimental results irrespective of temperature.

Original languageEnglish
Pages (from-to)4422-4426
Number of pages5
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume51
Issue number9
DOIs
Publication statusPublished - 2020 Sep 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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