Fatigue characteristics and microstructural analysis of thermomechanically-processed, high-magnesium aluminum-magnesium alloy
Cadwell, Charles A.
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This research was an investigation of the fatigue characteristics of warm rolled high-magnesium aluminum-magnesium alloys. Particular emphasis was placed on study of the microstructural changes which occur during cyclic loading. The study was conducted utilizing a simple binary alloy, Al-10.2 wt pet Mg, and a ternary Al-8.14 wt pet Mg-0.40 wt pet Cu alloy. Both alloys were given similar processing; in particular, both alloys were examined for two rates of quenching to determine the effect of cooling rate from the homogenization temperature on the tensile properties and fatigue characteristics of the alloys.
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