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Modeling And Simulation Of Dynamic Recrystallization And Grain Growth During Hot Working Of Inconel 783 Superalloy

Author

Listed:
  • JONG-TAEK YEOM

    (Special Alloys Research Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon 641-831, Korea)

  • EUN JEOUNG JUNG

    (Special Alloys Research Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon 641-831, Korea)

  • JEE HOON KIM

    (Special Alloys Research Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon 641-831, Korea)

  • JEOUNG HAN KIM

    (Special Alloys Research Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon 641-831, Korea)

  • JAE-KEUN HONG

    (Special Alloys Research Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon 641-831, Korea)

  • NHO-KWANG PARK

    (Special Alloys Research Group, Korea Institute of Materials Science (KIMS), 531 Changwondaero, Changwon 641-831, Korea)

  • KOOK-JOO KIM

    (Taewoong Co., 1462-1 Songjeong-dong, Gangseo-gu, Busan 618-270, Korea)

  • SEUNG-SIK CHOI

    (Taewoong Co., 1462-1 Songjeong-dong, Gangseo-gu, Busan 618-270, Korea)

Abstract

In this study, the modeling of recrystallization and grain growth was investigated to predict the microstructure evolution during hot working of INCONEL 783 superalloy (Alloy 783). The recrystallization model was constructed on the basis of the Avrami formation. A least-square optimization technique was used to determine several important parameters within the model from isothermal heat treatment and hot compression test results. High temperature compression tests were carried out under different temperatures, strain rates and strain conditions. The model for describing the recrystallization and grain growth behaviors of Alloy 783 was implemented onto the user-subroutine of a commercial FE code. In order to demonstrate the reliability of the model, the microstructure evolution of Alloy 783 alloy during the hot compression test was simulated and was accorded well with the experimental results.

Suggested Citation

  • Jong-Taek Yeom & Eun Jeoung Jung & Jee Hoon Kim & Jeoung Han Kim & Jae-Keun Hong & Nho-Kwang Park & Kook-Joo Kim & Seung-Sik Choi, 2010. "Modeling And Simulation Of Dynamic Recrystallization And Grain Growth During Hot Working Of Inconel 783 Superalloy," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 17(01), pages 105-109.
    • Handle: RePEc:wsi:srlxxx:v:17:y:2010:i:01:n:s0218625x10014041
    DOI: 10.1142/S0218625X10014041
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