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Transactions of the Indian Institute of Metals

, Volume 72, Issue 2, pp 545–558 | Cite as

Effect of Processing Parameters on Microstructure and Mechanical Properties of Al6061/B4C Metal Matrix Composite Fabricated by Using Stir Casting, Post-Accumulative Roll Bonding and Aging Treatment

  • Y. Pazhuhanfar
  • B. EghbaliEmail author
Technical Paper
  • 29 Downloads

Abstract

In the present research, Al6061-based composites reinforced with micron-sized B4C particles were fabricated by the combination of stir casting and post-processing via accumulative roll bonding (ARB) and aging treatment. Microstructural evolutions of processed samples were investigated using optical and scanning electron microscopy. Also, mechanical properties were studied by micro-hardness measurements and room temperature tensile testing. From obtained results, it was concluded that the as-cast composites had a lower tensile strength and elongation compared with accumulative roll-bonded counterparts. Post-processing by accumulated roll bonding decreased the deficiencies aroused during stir casting and improved particle distribution. It was observed that increasing ARB cycles decreased the particle-free zones and particle clusters.

Keywords

Al6061–B4C composite Stir casting Accumulative roll bonding Aging treatment 

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Copyright information

© The Indian Institute of Metals - IIM 2018

Authors and Affiliations

  1. 1.Department of Materials Science and EngineeringSahand University of TechnologyTabrizIran

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