Development and Characterization of Al₂O₃ and SiC Reinforced Al-Cu Metal Matrix Hybrid Composites

Abstract:

The present work deals with the synthesis and characterization of Al-Cu-SiC-Al₂O₃ hybrid metal matrix composite with varying percentage of Al₂O₃. The synthesized hybrid composite samples were conventionally sintered at two different sintering temperatures i.e. 500°C and 600°C for 1 hr each. SEM investigation predicts the uniform distribution of reinforcing particles. The SEM and XRD results of the sintered composites revealed the presence of a new intermetallic alloy CuAl₂ phase along with Al and SiC phases. It is observed that the density and hardness of Al-Cu-SiC-Al₂O₃ hybrid composite increases with increase in wt % of Al₂O₃ and sintering temperature.

• Periodical: Materials Science Forum (Volume 978)
• Pages: 202-208
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.978.202
• Online since: February 2020
• Authors: Bishnupriya Behera*, Renu Prava Dalai, Dinesh Kumar Mishra, Sushant Kumar Badjena
• Keywords: Density, Hardness, Hybrid Metal Matrix Composites, Intermetallic Alloy, Sintering Temperature

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