Multi-scale Modeling of Plastic Anisotropy of Textured Metal Sheets

Oana Cazacu, Leader

1.      Because of their excellent properties such as light weight, excellent damping capacity, high specific strength, magnesium and aluminum alloys offer great potential to replace most commonly used materials, e.g. steel and polymers in most engineering applications. Other important factors in selecting these alloys include their ease of recycling, dimensional stability and machinability. However, the use of formed alloy sheets is currently restricted because of their low formability at room temperature. A multi-scale approach is used to model the anisotropy of aluminum alloys as well as the asymmetry in yielding (compressive strengths different than tensile strengths) of textured hexagonal close packed metal alloy sheets (e.g. Mg, Ti, Zr) due to twinning.

Fig for research topic 1