High Strength & Ductility
Introducing a heterostructure via ECAP plus rolling inhibits strain softening while enhancing strength and elongation, meeting the mechanical requirements for implant materials.
Ji, Chengwei · Ma, Aibin · Jiang, Jinghua · Song, Dan · Liu, Huan · Liwen, Zhao · Xuefei, Fang
Progress in Natural Science: Materials International 2024
Forms a heterostructure with fine grains encircling coarse grains via 1-pass ECAP, 8-pass ECAP and subsequent rolling
High-density dislocation regions uniformly distributed alongside low-density dislocation regions
Inhibits strain softening while maintaining high strength and elongation