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The Effect Of Thermal Exposure On The Mechanical Properties Of 2099-T6 Die Forgings, 2099-T83 Extrusions, 7075-T7651 Plate, 7085-T7452 Die Forgings, 7085-T7651 Plate, And 2397-T87 Plate Aluminum Alloys, J. Jabra, M. Romios, J. Lai, E. Lee, M. Setiawan, E. W. Lee, J. Witters, N. Abourialy, J. Ogren, R. Clark, T. Oppenheim, W. E. Frazier, Omar S. Es-Said
The Effect Of Thermal Exposure On The Mechanical Properties Of 2099-T6 Die Forgings, 2099-T83 Extrusions, 7075-T7651 Plate, 7085-T7452 Die Forgings, 7085-T7651 Plate, And 2397-T87 Plate Aluminum Alloys, J. Jabra, M. Romios, J. Lai, E. Lee, M. Setiawan, E. W. Lee, J. Witters, N. Abourialy, J. Ogren, R. Clark, T. Oppenheim, W. E. Frazier, Omar S. Es-Said
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Aluminum alloys 2099-T6 die forgings, 2099-T83 extrusions, 7075-T7651 plate, 7085-T7452 die forgings, 7085-T7651 plate, and 2397-T87 plate were thermally exposed at temperatures of 180 degrees C (350 degrees F), 230 degrees C (450 degrees F), and 290 degrees C (550 degrees F) for 0.1, 0.5, 2, 10, 100, and 1000 h. The purpose of this study was to determine the effect of thermal exposure on the mechanical properties and electrical conductivity of these alloys. The data shows that higher temperatures and longer exposure times generally resulted in decreased strength and hardness and increased percent elongation and electrical conductivity.