SUPERPLASTICITY OF 2090 SPF SHEET AT HOT ROLLED GAUGE C. W. CHO, B. A. CHENEY, D. J. LEGE et J. I. PETITJ. Phys. Colloques, 48 C3 (1987) C3-277-C3-283DOI: https://doi.org/10.1051/jphyscol:1987331