将Feder相变孕育期表达式引入形变奥氏体的分解中,建立了奥氏体形变条件下先共析铁素体等温形成孕育期的计算方法,计算了奥氏体形变储能和奥氏体晶界能量变化对相变孕育期的影响,计算结果与实验所得规律一致。
A calculation method for the isothermal nucleation incubation timeof pre-eutectoid ferrite from deformed austenite has been developed by introducingFeder's incubation time expression into the decomposition of dsformed austenite.The effects of austenite deformation stored enerey and austenite grain boundary en-ergy change on the incubation time have been theoretically calculated. The calcula-ted result seems to be consistent with a rule of experimental data that the austenitedeformation stored energy and the change of austenite grain boundary energy arethe nature of austenite deformation affecting upon the ferrite nucleation.
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