采用轴向拉应力、周向压应力的方式对工业纯钛进行室温加工,研究不同加工变形量下孪晶组织和力学性能的演化规律,并通过变形样品退火后的组织与硬度变化表征孪晶的稳定性.结果表明:孪晶数量和尺寸与加工变形量呈线性变化,60％变形量样品中出现加工流线并达到塑性极大值；550℃退火出现再结晶晶粒,形变孪晶550℃以下可短时亚稳存在.
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