accumulative roll bonding, equal channel angular pressing, and high pressure and torsion, as well as the characteristics, present state and perspectives of SPD are summarized in this paper.

• 通过介绍累积轧合法、等通道角挤压法和高压扭转法等3种目前最主要的深度塑性变形方法,分析了深度塑性变形法的特点和现状,并对其未来进行了展望。