Ti551合金的热变形行为及热加工图构建

尹建年, 马英杰, 杨锐, 雷家峰, 齐敏, 周丽

Hot Deformation Behavior and Hot Processing Map Construction of the Ti551 Alloy

YIN Jiannian, MA Yingjie, YANG Rui, LEI Jiafeng, QI Min, ZHOU Li

图10 应变补偿Arrhenius (SCA)模型和BPANN模型中流变应力预测值与实验值的比较及相对误差分布

Fig.10 Comparisons of predicted and experimental flow stresses (a, b) and distributions of relative error (c, d) in SCA model (a, c) and BPANN model (b, d) (AARE—average absolute relative error, δ—relative error, δmin—minimum relative error, δmax—maximum relative error)