Ti-6Al-4V合金的室温蠕变行为

席国强, 邱建科, 雷家峰, 马英杰, 杨锐

Room Temperature Creep Behavior of Ti-6Al-4V Alloy

XI Guoqiang, QIU Jianke, LEI Jiafeng, MA Yingjie, YANG Rui

表2 Ti-6Al-4V各向各层室温压缩蠕变参数的拟合结果(平行样数量为2)

Table 2 Fitting results of creep parameters during room temperature compressive creep of the rolled Ti-6Al-4V plate (the number of parallel samples is 2)

Creep coefficient A Creep exponent b <0001> peak pole density ND 0.5H 0.82 0.17 - TD 0H 0.87 0.13 3.15 TD 0.25H 0.71 0.13 2.08 TD 0.5H 0.49 0.12 5 RD 0H 0.39 0.17 - RD 0.25H 0.52 0.16 1.28 RD 0.5H 0.39 0.16 2.08