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Meeting

2026 TMS Annual Meeting & Exhibition

Symposium

Late News Poster Session

Presentation Title

J-21: Structure-Property Relationships in Al-10Mg Alloys

Author(s)

Philip Aster, Irmgard Weißensteiner, Stefan Pogatscher

On-Site Speaker (Planned)

Philip Aster

Abstract Scope

The mechanical and microstructural response of conventional 5182 and a Mg-enriched 5182-10Mg alloy was investigated to explore the strengthening potential of high-Mg 5xxx sheet materials. Tensile tests in the as-quenched state, at 10 % strain, and after subsequent paint-bake treatment reveal pronounced differences in strain hardening and serrated-flow behavior with increasing Mg content. The 5182-10Mg alloy exhibits higher strength and strain hardening capacity, attributed to enhanced solid-solution strengthening and dynamic strain-aging effects. Complementary microstructural analysis reveals that deformation already promotes the formation of small Mg clusters even in conventional 5xxx alloys, and suggests that clustering is likely more pronounced at higher Mg contents. These findings highlight the potential of high-Mg 5xxx alloys as lightweight, high-strength candidates for next-generation non-heat-treatable aluminum sheet applications.

Proceedings Inclusion?

Undecided

Keywords

Aluminum, Phase Transformations, Mechanical Properties

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