HYDROGEN EMBRITTLEMENT IN Al-Li-Cu-Mg ALLOYS (8090-T651) F. BINSFELD, M. HABASHI, J. GALLAND, J.P. FIDELLE, D. MIANNAY and P. ROFIDAL J. Phys. Colloques, 48 C3 (1987) C3-587-C3-596 DOI: 10.1051/jphyscol:1987368