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Diffusion-controlled peritectic reaction process in carbon steel analyzed by quantitative phase-field simulation

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Title: Diffusion-controlled peritectic reaction process in carbon steel analyzed by quantitative phase-field simulation
Authors: Ohno, Munekazu Browse this author →KAKEN DB
Matsuura, Kiyotaka Browse this author
Keywords: Phase-field models
Peritectic solidification
Issue Date: Oct-2010
Publisher: Elsevier
Journal Title: Acta Materialia
Volume: 58
Issue: 18
Start Page: 6134
End Page: 6141
Publisher DOI: 10.1016/j.actamat.2010.07.031
Abstract: The pentectic reaction process in carbon steel, L + δ → γ, has been analyzed by a quantitative phase-field simulation. The calculated moving velocities of the γ-L and γ-δ planar interfaces in the isothermal peritectic transformation precisely agree with the corresponding experimental data, which strongly supports the accuracy of the present simulation. The diffusion-controlled peritectic reaction rate or the growing velocity of γ phase along the δ-L interface obtained by the present simulation is fairly consistent with the experimentally measured values. This fact indicates that the recent experimental findings can be explained by a diffusion-controlled mechanism. This is in marked contrast to the claims made on the basis of the experimental data and an analytical model that the peritectic reaction is not controlled by the diffusion of carbon.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大野 宗一

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