Crystallization behaviour of calcium aluminate glass fibres

Part I Differential thermal analysis study

Yun Mo Sung, Jin Hee Sung

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Crystallization behaviour of as-spun and fully-nucleated calcium aluminate (CA) glass fibres produced via inviscid melt spinning (IMS), was studied. Differential thermal analysis (DTA) scans on the as-spun and fully-nucleated CA fibres were performed at different heating rates. By applying the Kissinger method to the DTA scan data the activation energy values for crystallization were determined to be 569 and 546 kJ mol-1, respectively for the as-spun and fully-nucleated CA fibres. The Ozawa analysis on the DTA scan data gave the Avrami parameters at 2.7 and 2.4, respectively, for the as-spun and fully-nucleated CA fibres, which indicates high tendency of bulk crystallization mode. The formation of equilibrium phases of Ca12Al14O33 and CaAl2O4 in the crystallized CA fibres was identified by using X-ray diffraction (XRD).

Original languageEnglish
Pages (from-to)4733-4737
Number of pages5
JournalJournal of Materials Science
Volume33
Issue number19
Publication statusPublished - 1998 Dec 1
Externally publishedYes

Fingerprint

Crystallization
Glass fibers
Differential thermal analysis
Calcium
Fibers
Melt spinning
Heating rate
Phase equilibria
Activation energy
fiberglass
calcium aluminate
X ray diffraction

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Crystallization behaviour of calcium aluminate glass fibres : Part I Differential thermal analysis study. / Sung, Yun Mo; Sung, Jin Hee.

In: Journal of Materials Science, Vol. 33, No. 19, 01.12.1998, p. 4733-4737.

Research output: Contribution to journalArticle

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