DTIC ADA1017502: Compilation of Mechanical Property Data pdf

DTIC ADA1017502: Compilation of Mechanical Property Data

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Data is summarized from a number of investigations that dealt with the overall issue of substrength aluminum plates. An improper heat-treatment resulted in localized areas of the plates with low mechanical properties. For these plates it is shown that: tensile, compression, and bearing strengths are significantly reduced; fatigue properties are reduced, particularly for 2000- series alloys; fatigue crack growth rates are faster in 2000-series alloys but may be slower in high strength 7000-series alloys; stress corrosion properties are not reduced; toughness may increase; and the loss of strength can be reflected in electrical conductivity and hardness readings. This report also contains a statistical evaluation of tensile data from this study and other sources relating yield and ultimate tensile with electrical conductivity and hardness

• Creator/s: Defense Technical Information Center
• Date: 7/1/1981
• Year: 1981
• Book Topics/Themes: DTIC Archive, Petrak, Gerald J, AIR FORCE WRIGHT AERONAUTICAL LABS WRIGHT-PATTERSON AFB OH, *HEAT TREATMENT, *METAL PLATES, *QUENCHING, *ALUMINUM ALLOYS, *DEGRADATION, STRENGTH(MECHANICS), CRACK PROPAGATION, TABLES(DATA), FATIGUE(MECHANICS), HARDNESS, ELECTRICAL CONDUCTIVITY, TENSILE PROPERTIES, GRAPHS, COMPRESSIVE PROPERTIES, MECHANICAL PROPERTIES, TENSILE STRENGTH

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