Tests made on 0.032 and 0.064-in. specimens 1/4, 1/2, 1, and 2 in. wide; fatigue stress concentration factor was higher for 75S-T than for 24S-T alloy.
Axial fatigue tests at zero mean stress of 24s-T and 75s-T aluminum-alloy strips with Central circular hole
Nat Advisory Committee Aeronautics -- Tech Note
1948
23 pages
Report
English
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