Abstract
In order to study the impact of mechanical properties of aluminum alloy that is added into carbon powder, the aluminum alloy with carbon powder were melt and test bars were cast. The mechanical properties were tested by a tensile tester, the fracture morphology were observed by SEM and the morphology of material surface and composition were checked by SEM and EDAX. The results showed that: several slip platforms were observed during bar stretching and the longer slip platform is better elongation, so the ductile of alloy was improved obliviously after adding carbon powder. Microscopic studies showed that the aluminum alloy system has been infiltrated by the carbon powder and some stable compounds were formed in the alloy systems. Overall, Carbon is added can effectively promote the toughness of the aluminum alloy and improve the mechanical properties to some extent. Keywords: Carbon powder, Cast aluminum alloy, Slip platform, Toughness
Published Version
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