Phase transformation of inviscid melt spun (IMS) alumina-zirconia eutectic fibres

Yun Mo Sung, S. A. Dunn, J. A. Koutsky

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Al2O3-ZrO2 (AZ) eutectic fibres containing 41.05 wt% ZrO2 and 2.03 wt% Y2O3 were produced via inviscid melt spinning (IMS). Scanning electron microscopy (SEM) was used to examine the morphology of the as-spun AZ fibre. Differential thermal analysis (DTA) and X-ray diffraction (XRD) were used to investigate the phase transformations in this fibre. The XRD pattern of the as-spun AZ fibre showed tetragonal ZrO2, α-Al2O3, and non-equilibrium δ-Al2O3 phase formation. The DTA curve of the as-spun AZ fibre showed only one endothermic peak representing the phase transformation of δ-Al2O3 to α-Al2O3. This phase transformation was confirmed by analysing the XRD pattern of heat-treated AZ fibre.

Original languageEnglish
Pages (from-to)5995-5998
Number of pages4
JournalJournal of Materials Science
Issue number23
Publication statusPublished - 1995 Dec 1
Externally publishedYes


ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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