2011
DOI: 10.1016/j.actamat.2011.05.045
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Formation conditions of coarse columnar austenite grain structure in peritectic carbon steels by the discontinuous grain growth mechanism

Abstract: The discontinuous grain growth leading to a coarse columnar austenite grain (CCG) structure in as-cast peritectic carbon steels is analyzed by means of two- and three-dimensional phase-field simulations. On the basis of theory of grain growth, the conditions for discontinuous grain growth to occur is elucidated in terms of cooling condition and material properties. The theoretical analysis well explains the results of the phase-field simulations and it should be useful in predicting the formation of the CCG st… Show more

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Cited by 28 publications
(64 citation statements)
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“…The occurrence of such discontinuous grain growth in the as-cast γ grain structures was confirmed by the phase field simulation of the grain growth from the FCG structure [11,12] . Moreover, the critical condition for the discontinuous growth to start and continue was examined in detail.…”
Section: Discontinuous Grain Growth and The Critical Condition Fomentioning
confidence: 71%
See 4 more Smart Citations
“…The occurrence of such discontinuous grain growth in the as-cast γ grain structures was confirmed by the phase field simulation of the grain growth from the FCG structure [11,12] . Moreover, the critical condition for the discontinuous growth to start and continue was examined in detail.…”
Section: Discontinuous Grain Growth and The Critical Condition Fomentioning
confidence: 71%
“…7 of Ref. [11]). However, from such phase-field simulations one can also understand that there is some variation in the transition depth and the transition depth does not exactly coincide with the position of V T = V CCG .…”
Section: Discontinuous Grain Growth and The Critical Condition Fomentioning
confidence: 99%
See 3 more Smart Citations