Abstract Scope |
Multilayered metal composites have been developed in order to improve the combination of strength and ductility of structural materials. The key concepts for the multilayered metal composites are the control of interfacial toughness between components, fracture toughness of more brittle component as well as layer thickness and so on. Based on the concepts, multilayered steels, consisting of martensitic steels and ductile steels such as austenitic stainless steels or TRIP steels was developed, and achieved improved strength and ductility combinations as well as good formability. For the extensions of the multilayered structure, Mg alloys were also selected for the component in the multilayered metal composites, and higher specific strength and ductility combination was achieved. |