Computational analysis on Elastic-Plastic fracture of Al/B۴C and Al۲SiO۵ hybrid metal matrix composites

Hybrid composite finds wide application in various fields. In this present study, the hybrid composites are developed using stir casting technique as per Taguchi’s L۹ orthogonal array. Hybrid composites were fabricated using Aluminium Al۶۰۸۲ as the base material and reinforced with the combinations of reinforcements Al۲SiO۵ and B۴C at three levels (۴%, ۸% and ۱۲%).The developed composites were analyzed for micro structural  investigations and mechanical tests were done as per ASTM standards. The micro structural analysis was done using optical Microscope and Scanning electron microscope while composition studies were done using X-ray diffraction and EDAX. Mechanical test like tensile, impact and flexural were conducted and their damage assessment was done using Scanning electron microscope. The fatigue characteristics like high cycle fatigue and fatigue crack propagation was studied both experimentally and numerically. The experimental data and numerical modeling analysis data obtained for the hybrid composite system, agree with each other.

کلیدواژه ها:

Boron Carbide (B۴C) ، Aluminium Silicate (Al۲SiO۵) ، X-ray diffraction ، Scanning electron microscope (SEM).