Abstract
Present investigations demonstrate the microstructural analysis of complex eutectic Al-Si alloy namely Al-11Si-2.5Cu-0.6Fe during forging at different processing conditions. The alloy forged through converging die with reduction ratios (R) 1.5 and 2.0 at 300, 400 and 500 °C elevated processing temperatures. X-Ray diffractometer was used to evaluate the various phases present in the alloy. Optical microscopy was executed to characterize the microstructural features induced during process (forging). The obtained results are critically observed to investigate the interaction of different processing parameter. The diffraction patterns confirmed that various complex intermetallic phases (β-Al4.5FeSi and Al2Cu) were formed due to the higher temperature during casting. Significant microstructural refinement observed during forging due to precipitation of fine particles while the coarse particulates fractured and fragmented during the process. The present study delivers valuable insight into microstructural development during forging of Al-11Si-2.5Cu-0.6Fe alloy.
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