A Study on the Influence of Reinforcement Volume on AA5083/(SiC-Gr) Hybrid Surface Composite Developed by Friction Stir Processing

Abstract

In this study, a hybrid surface composite of AA5083/SiC-Gr was produced by Friction Stir Processing (FSP). Reinforcement material each in 50:50 proportion was filled in the base matrix using holes method. Three different hybrid reinforcement volumes of 301.6 mm 3, 452.4 mm 3, and 603.2 mm 3 were prepared for surface composite. Optical and Scanning Electron Microscopy was used to check the quality of the prepared surface composite and homogeneous distribution of reinforcement was observed in the images. It was observed that due to better uniform distribution of reinforcement particles during 3 pass FSP, specimens with 301.6 mm 3/ reinforcement volume showed enhanced microhardness and wear properties in comparison with the other specimens. Keywords: Surface Composites; Multi-pass; Friction Stir Processing; Reinforcement; Hybrid Composite