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Alumina based ceramics used as insulators for extremely cold areas were fabricated via pressureless sintering technique from α-Al2O3, PSZ, MgO, and TiO2. The effects of MgO, TiO2, zirconia on physical properties, phase transformation, microstructure and freeze-thaw resistance of the composite ceramics were investigated. The results indicated that the composite ceramics exhibited the excellent physical...
Coal series kaolin (CSK) from coalmine in Shanxi, China was studied in the form of powder compact by using die-pressing technique. Mineralogical, morphological, and chemical characteristics of CSK were given. The microstructural evolution, phase transformation, and relevant variations in physical properties of the fired CSK with elevating temperature were investigated. Results indicated that mullite...
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