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Journal of Materials Science

, Volume 43, Issue 21, pp 6944–6951 | Cite as

Production of A356–SiCP composite by an innovative casting process

  • S. M. H. MirbagheriEmail author
  • S. Sookhtehsaraee
Article

Abstract

In the present study, a novel procedure was introduced for casting of metal matrix composites by adding a mortar consisting expandable polystyrene beads, carboxy methyl cellulose paste, SiC particles and water as a mould pattern. This process was applied for A356 Aluminium alloy/SiCP composite. Technology of this method is based on a balance between the solidification rate and the buoyancy of the reinforcement particles. The experimental results show that effective parameters in fabrication of a sound part are density and size of pre-puff polystyrene beads, percentage of the reinforcement particles, mould material, thickness of mould cavity, casting temperature and cooling rate. However, the innovative method will only be successful for the thin-wall parts, which their solidification times become shorter than the floatation time of the reinforcement particles.

Keywords

Metal Matrix Composite Solidification Time Matrix Alloy A356 Alloy Reinforcement Particle 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Department of Mining and Metallurgical EngineeringAmirkabir University of TechnologyTehranIran

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