Achieving Superior Superplasticity of ~ 1200 pct in Medium Mn Lightweight Steel Containing Coarse δ-Ferrite via Dynamic γ → α Transformation. - Zhang, H. T.; Xiao, N.; Sun, S. H.; Hao, W. Z.; Zhang, P. J. H.; Yan, H. L.; Cai, M. H.; Lee, Y.-K. (Metallurgical & Materials Transactions. Part A, 2025)