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has been cited by the following article:

• TITLE: Elaboration and Characterization of Mullite Refractory Products from Moroccan Andalusite

  AUTHORS: Mostafa Sardy, Abdelhak Arib, Kacem El Abbassi, Moussa Gomina

  KEYWORDS: Andalusite; Mullite Refractory; Structure; Mechanical Properties

  JOURNAL NAME: New Journal of Glass and Ceramics, Vol.2 No.3, July 30, 2012

  ABSTRACT: Enrichment of schist mined in Morocco resulted in an extract essentially made of andalusite, quartz and muscovite, which was investigated with the aim to synthesize mullite refractory materials. X-ray diffraction analysis was used to assess phase transformations upon heating at different temperatures. Mullite formation starts as early as 1200℃ and seems almost total at 1450℃. This process correlates with a weak shrinkage (3.5% at 1450℃) and the formation of an important glass phase. Green compacts obtained by unidirectional pressing the extract powder were heated under air in the temperature range 1200℃ - 1600℃. Chemical and mechanical properties of these materials were investigated and correlated with their microstructure.