Inventors:
Malcolm W. Ozelton - Torrance CA
James W. Bohlen - Fountain Valley CA
Gregory V. Scarich - Hermosa Beach CA
James J. Scuttl - Rancho Palos Verdes CA
Stephan W. Averill - Redondo Beach CA
Assignee:
Northrop Corporation - Hawthorne CA
International Classification:
C22C 2106
Abstract:
A method is disclosed for preparing an improved aluminum alloy plate product wherein the plate produced from an Al-Li-Cu-Mg alloy in the T351 condition is subjected to a thermal aging treatment wherein the plate is exposed to a temperature of about 170. degree. C. +-. 2. degree. C. for about 32 hours. +-. 5 hours.