To overcome the strength–ductility trade-off, a persistent limitation of metallic structural materials, I propose innovative heterostructure design strategies. By exploring new forms of structural heterogeneity that go beyond the limits of conventional heterostructures, the goal is to maximize structural efficiency and secure outstanding mechanical properties.
This research establishes concrete mass-production strategies for applying the developed heterostructures at the component level. In particular, it presents an approach to solving poor formability, a persistent limitation of high-strength materials. It further proposes how such structures can be effectively realized through additive manufacturing.
This research devises microstructural control strategies for components that remain multi-functional under extreme service environments. In particular, controlling heterogeneous microstructures breaks the conflicting relationships among the several mechanical and physical properties of a single material, achieving a synergy of combined properties that satisfies multiple requirements at once.
