热加工对紧固件用Ti55531棒材断裂韧性的影响

宋肖桐, 陈思旭, 邱建科, 胡明, 张明杰, 昝晓东, 雷家峰

Effect of Thermomechanical Processing on Fracture Toughness of Ti55531 Alloy Bar for Fasteners

SONG Xiaotong, CHEN Sixu, QIU Jianke, HU Ming, ZHANG Mingjie, ZAN Xiaodong, LEI Jiafeng

图8 不同加工状态Ti55531棒材SEB试样的裂纹扩展路径SEM图

Fig.8 SEM micrographs of crack propagation paths in SEB specimens of Ti55531 bars under different processing conditions (a, d) R61, (b, e) R12, (c, f) D12