利用MTS809材料试验机和旋转盘式间接杆杆型冲击拉伸实验装置,对多品纯钛进行了室温环境下应变率为0.001,0.01s-1的准静态和300,1400s-1的动态拉伸实验,获得了纯钛等温和绝热拉伸应力-应变曲线；实施了应变率为300s-1的冲击拉伸复元实验,获得了纯钛在高应变率下的等温应力-应变曲线.结果表明:纯钛的拉伸力学行为具有明显的应变硬化效应、应变率强化效应和绝热温升软化效应.采用修正的KHL模型较好地表征了纯钛在准静态和动态实验应变率范围内的拉伸力学行为.
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