The results show that with the increase of deformation,the period of reaching the aging hardness peak is shortened for this material,and also the period of reaching overaging is shortened.

• 结果表明,随着变形量的增加,材料达到时效硬化峰值的时间不断缩短,出现过时效的时间也不断缩短;形变强化在时效过程中没有明显的衰减,而固溶后的冷变形会使材料时效强化效果减弱。