Effect of thermomechanical treatments on the aging response of centrifugally cast silicon carbide/aluminum composites
May, Christopher William
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Differential scanning calorimetry was conducted using centrifugally cast monolithic A3356 aluminum material and 26 volume present silicon carbide (SiC) particle reinforced A356 aluminum matrix composite material in as-cast, cast and rolled, and cast and extruded conditions. Electrical resistivity and matrix micro-hardness measurements during isothermal aging treatments were also conducted. The effects of thermo-mechanical processing and SiC particle additions on the mechanical properties and aging kinetics of the metastable phases in each material were studied.