NASA o_ | Z I.,-,- Z TECHNICAL NOTE NASA TN D-5390 EFFECT ON IN ALUMINUM-ALLOY OF STRESS RATIO FATIGUE-CRACK GROWTH 7075-T6 AND 2024-T3 SPECIMENS by C. Michael Hudson Langley Research Center Langley Station, Hampton, Va. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION • WASHINGTON, D. C. ° AUGUST 1969
EFFECTOF STRESSRATIO ON FATIGUE-CRACKGROWTHIN 7075-T6 AND 2024-T3ALUMINUM-ALLOYSPECIMENS
May 21, 2023
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