Paper Title:
Phase-Field Simulation on Phase Transformation during Creep Deformation in Type 304 Steel
  Abstract

Phase-field simulation of phase transformation during creep in Type 304 austenitic steel is performed and simultaneous nucleation and growth of both M23C6 carbide and ferromagnetic α phases are reproduced. Nucleation events of these product phases are explicitly introduced through a probabilistic Poisson seeding process based on the classical nucleation theory. Creep dislocation energy near the carbide is integrated into the nucleation driving force for the α phase. We examine the effect of the dislocation density on precipitation of the α phase, and it is found that a small difference in the dislocation density leads to a significant change in precipitation behavior of the α phase.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
492-495
DOI
10.4028/www.scientific.net/MSF.654-656.492
Citation
Y. Tsukada, A. Shiraki, Y. Murata, S. Takaya, T. Koyama, M. Morinaga , "Phase-Field Simulation on Phase Transformation during Creep Deformation in Type 304 Steel", Materials Science Forum, Vols. 654-656, pp. 492-495, 2010
Online since
June 2010
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