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The Effect of Aging on Mechanical Properties of 8011Al /10% SiCp Composites

V. Vembu

Abstract: In this investigation, the effect of aging on the hardness and tensile behavior of 10%SiCp/8011 Al composites has been studied. The composites were manufactured through stir casting method. Cast ingots of the composites were hot extruded at 5000 C. The composite samples were solution heat-treated at 530 0 C for 3 h and quenched in cold water. The aging temperature were 130 0 C, 150 0 C, 170 0 C, 190 0 C, and 210 0 C for aging duration of 1,3,5,7 and 9 hrs respectively. The mechanical properties measured included: tensile strength, yield strength and hardness values. The composites produced exhibited maximum mechanical properties at peak aged condition. These increases in mechanical properties during aging are attributed to the formation of coherent and uniforme distribution SiC particles in the aluminum matrix composites. It was also observed that thermal modification plays an important role in retaining the ductility of composites. This result shows that a substantial improvement in mechanical properties has been achieved in the reinforced metal matrices produced after age-hardening.

Keywords: 8011Aluninum matrix composite, Extrusion, Aging behavior, tensile strength, Micro hardness, Response surface methodology (RSM).

Country: India, Subject Area: Manufacturing Engineering

Pages: 1101 - 1105

Edition: Volume 8 Issue 7, July 2019

How to Cite this Article?

V. Vembu, "The Effect of Aging on Mechanical Properties of 8011Al /10% SiCp Composites", International Journal of Science and Research (IJSR),, Volume 8 Issue 7, July 2019, 1101 - 1105

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