Tensile and Microstructural Behaviour of AMC Reinforced with Metallic Particle Pre and After Friction Stir Processing

Authors

  • M. Balakrishnan, K. Kalaiselvan

Abstract

In this research work aluminum matrix composites (AMCs) were prepared by adding two different pure metal powders such as Fe, and Cu. The secondary process called friction stir processing (FSP) is applied to improve the properties of AMCs.  The mechanical and metallurgical properties of AMCs were studied as cast and FSPed conditions. The cast composites exhibit pores, coarse grain, segregation and significant prismatic shaped particles. These intermetallic particles are good in interfacial bonding and distributed homogeneously after FSP. Nevertheless, AMC reinforced with Fe particles exhibited superior tensile strength compare to Cu particles reinforced AMCs manufactured in this work with same set of experimental conditions. The mechanical properties were correlated with observed microstructure and mechanism behind the improvement and variation of the properties are presented. Fracture morphology of AMCs were reported as cast and FSPed conditions.

Keywords- Aluminum metal matrix; Intermetallics; Friction stir process; Tensile strength.

Published

2020-11-29

Issue

Section

Articles