GRAIN REFINEMENT AND SUPERPLASTICITY IN A LITHIUM-CONTAINING Al-Mg ALLOY BY THERMOMECHANICAL PROCESSING S. J. HALES, S. B. OSTER, B. W. SANCHEZ et T. R. McNELLEYJ. Phys. Colloques, 48 C3 (1987) C3-285-C3-291DOI: https://doi.org/10.1051/jphyscol:1987332