A census of superplasticity in aluminum and magnesium alloys: process-window topologies, quantitative benchmarks, and design rules under dual-gate constraints

H.T. Jeong

doi:10.1016/j.pmatsci.2026.101793

A census of superplasticity in aluminum and magnesium alloys: process-window topologies, quantitative benchmarks, and design rules under dual-gate constraints

2026-07-29

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H.T. Jeong

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W.J. Kim *

DOI：10.1016/j.pmatsci.2026.101793

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• A 40-year census maps Al/Mg superplasticity in strain-rate–temperature space • Al alloys show limited LTS but broad HSRS reach once thermally activated. • Mg alloys access LTS more often but generally require higher temperatures for HSRS. • Dual-gating links threshold-stress accessibility to grain-growth retention limits. • Quantitative benchmarks and gate-based rules guide process-window design.

A census of superplasticity in aluminum and magnesium alloys: process-window topologies, quantitative benchmarks, and design rules under dual-gate constraints

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