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    • G Banerjee

      Articles written in Bulletin of Materials Science

    • Volume 26 Issue 2 February 2003 pp 217-220 Synthesis

      Effect of sillimanite beach sand composition on mullitization and properties of Al2O3–SiO2 system

      H S Tripathi B Mukherjee S K Das A Ghosh G Banerjee

      More Details Abstract Fulltext PDF

      Mullite was developed by reaction sintering of sillimanite beach sand and calcined alumina. Two varieties of sillimanite beach sand viz. S and Z having different compositions were selected. Synthesis and properties of mullite were very much dependent on the sillimanite beach sand composition. Presence of higher amount of impurities in the Z-variety of sillimanite sand favours the densification by liquid phase formation. Presence of zircon in Z-variety increases the hardness and fracture toughness. Alumina addition improves the mechanical/thermomechanical properties of the samples. Mullite retains the usual orthorhombic habit of sillimanite. Rounded to sub rounded zirconia dispersed within the mullite matrix of the sample ZA is noticed.

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      Posted on October 12, 2020

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      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

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