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High-Temperature Mechanical Characterisation of In-Situ Forming Spinel-Alumina Castables Using Magnesia or Magnesite as Raw Material

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In this work, four alumina-magnesia, cement-bonded castables were tested at high temperature. Strength was determined by bending test at temperature ranging from room temperature to 1550 °C. As a reference, a high alumina castable was also investigated.

Al2O3–SiO2 Nano-Bonded Castables Containing a Boron-Based Sintering Additive

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A suitable alternative to reducing the starting sintering temperature of ceramic compositions is based on using small contents of mineralizing compounds that may speed up the reaction rate and/or induce the generation of a transient liquid phase in the resulting microstructure.

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