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Cellular Automaton Modelling Of The Transformation From Austenite to Ferrite In Low Carbon Steels During Continuous Cooling |
ZHANG Lin; ZHANG Caibei; WANG Yuanming;WANG Shaoqing |
Shenyang National Laboratory for Materials Science;Institute of Metal Research; The Chinese Academic of Sciences |
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Cite this article:
ZHANG Lin; ZHANG Caibei; WANG Yuanming; WANG Shaoqing. Cellular Automaton Modelling Of The Transformation From Austenite to Ferrite In Low Carbon Steels During Continuous Cooling. Acta Metall Sin, 2004, 40(1): 8-13 .
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Abstract A two--dimensional cellular automaton model is developed to simulate the
transformation from austenite to ferrite in low carbon steels during continuous cooling.The model, with a local rule--based scheme involving nucleation and growth of ferrite,incorporates the change of the solute field into a nucleation or growth function whichis utilized by the automaton in a probabilistic fashion. The competition betweennucleation and growth of ferrite is described by the changes of a nucleationprobability and a growth probability in this cellular automaton lattice. The procedureof this cellular automaton modelling is generalized, and the effect of coolingconditions on this transformation is also discussed.
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Received: 04 March 2003
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