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Some Observations on Loss of Static Strength Due to Fatigue Cracks
Walter Illg
出版National Advisory Committee for Aeronautics, 1955
URLhttp://books.google.com.hk/books?id=-yjurJBYrdQC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN
註釋Static tensile tests were performed on simple notched specimens containing fatigue cracks. Four types of aluminum alloys were investigated: 2024-T3 (formerly 24S-T3) and 7075-T6 (formerly 75S-T6) in sheet form, and 2024-T4 (formerly 24S-T4) and 7075-T6 (formerly 75S-T6) in extruded form. The cracked specimens were tested statically under four conditions: unmodified and with reduced eccentricity of loading by three methods. Results of static tests on C-46 wings containing fatigue cracks are also reported.