Phase transformation of calcia-alumina-magnesia fibres produced by inviscid melt spinning

Yun Mo Sung, S. A. Dunn

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Abstract

CaO-Al2O3-MgO (CAM) ceramic fibre produced via inviscid melt spinning (IMS) was investigated for phase transformation. Differential thermal analysis (DTA) on the as-spun CAM fibre gave two transformation peaks, one for exothermic peak at around 927°C and the other for endothermic one at around 1100°C. In order to identify each phase transformation x-ray diffraction (XRD) analysis was performed on the CAM fibres heat-treated to each phase transformation completion temperature. The exothermic peak was determined to represent crystallization of remaining amorphous phase in the as-spun CAM fibre. The endothermic peak was determined to correspond to transformation of non-equilibrium CaO·Al2O3 phase to equilibrium 3CaO·5Al2O3 phase.

Original languageEnglish
Pages (from-to)4741-4744
Number of pages4
JournalJournal of Materials Science
Volume31
Issue number18
Publication statusPublished - 1996 Dec 1
Externally publishedYes

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ASJC Scopus subject areas

  • Materials Science(all)

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