基于晶体塑性模型预测<strong>TA32</strong>钛合金损伤及高温成形极限

基于晶体塑性模型预测TA32钛合金损伤及高温成形极限

范荣磊, 陈明和, 吴迪鹏, 武永

Prediction of Damage and Hot Forming Limit of TA32 Titanium Alloy Based on Crystal Plasticity Model

FAN Ronglei, CHEN Minghe, WU Dipeng, WU Yong

图5 晶体塑性有限元(CPFE)-Marciniak-Kuczyński (M-K) (CPFE-M-K)耦合模型预测成形极限图(FLD)的示意图

Fig.5 Schematic of CPFE-M-K coupling model for predicting FLD (CPFE—crystal plasticity finite element, M-K—Marciniak-Kuczyński, FLD—forming limit diagram, $t_{0}^{I}$ —initial thickness of RVE-A, $t_{0}^{I I}$ —initial thickness of RVE-B, θ—inclination angle of the groove)