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
表2 不同加工状态Ti55531棒材的拉伸和断裂韧性
Table 2 Tensile properties and fracture toughness of Ti55531 alloy bars under different processing conditions
SpecimenRm / MPaRP0.2 / MPaA / %KIC / MPa·m1/2
R61138913561324.13
R121299127619.528.94
D121356131616.334.63