计算辅助高性能增材制造铝合金开发的研究现状与展望

高建宝, 李志诚, 刘佳, 张金良, 宋波, 张利军

Current Situation and Prospect of Computationally Assisted Design in High-Performance Additive Manufactured Aluminum Alloys: A Review

GAO Jianbao, LI Zhicheng, LIU Jia, ZHANG Jinliang, SONG Bo, ZHANG Lijun

图5 Kou准则中裂纹敏感因子示意图[55,66]及其在变形铝合金中的预测结果[67]与实验结果[62,63]对比

Fig.5 Schematic diagram of the crack susceptibility index (CSI) in the Kou criterion[55,66] (a) and comparison of the calculated CSI (CSI = |dT / d(fS)1/2|, when (fS)1/2 near 1)[67] and experimental crack susceptibility[62,63] of wrought Al alloys (b) (t is time, R is the characteristic radius of grain)