以钛合金在高温变形过程中的物理机制为基础,建立了钛合金高温变形时的位错密度和晶粒尺寸模型.将该微观组织模型应用于TC6合金的高温变形,并用遗传算法(GA)确定了模型中的8个材料常数.TC6合金的热模拟实验结果和定量金相实验结果证实:初生α相晶粒尺寸的计算值与实验值的平均误差小于15.3%.
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