Abstract: A new continuous equal channel angular pressing (ECAP) technique was developed and successfully produced unlimited length of pure aluminum with ultrafine grain.

• 摘 要: 探讨一种连续等通道角挤压（ECAP）新技术, 实现了纯铝的无限长度连续大变形, 制备出具有超细晶结构的金属材料。