多级层片异构设计构筑超高强塑性金属材料

钟云波, 时培建

Hierarchical Lamellar Heterostructure Design Renders Metallic Materials with Ultrahigh Strength-Ductility Combinations

ZHONG Yunbo, SHI Peijian

图4 生物启发、遗传衍生的多级纤维层片异构高性能铜合金[25]

Fig.4 Bioinspired, heredity-derived hierarchical fibrous lamellar (HFL) structured copper alloys with superior properties[25] (a) schematic of continuous extrusion and rotary swaging processes for continuous casting copper alloy bars (b) schematic of HFL heterostructure (c) comparison diagram of yield strength, uniform elongation versus conductivity (d) radar chart of multiple property values or trends of ultrafine-grained (UFG) and HFL samples (e) broad application prospects (Inset shows as-fabricated CuCrZr bar)