Crystallization kinetics of yttrium aluminum garnet (Y3Al5O12)

Bradley R. Johnson, Waltraud M. Kriven

Research output: Contribution to journalArticlepeer-review

Abstract

The kinetics and pathways for crystallization of solid, amorphous, yttrium aluminum garnet (YAG) were studied using isothermal differential thermal analysis, x-ray diffraction, and transmission electron microscopy. The activation energy for crystallization was 437 KJ/mol and the measured Avrami exponent was 2.74, which corresponded to three-dimensional crystal growth with a constant number of nuclei. Time-temperature-transformation (T-T-T) curves were developed from the data to predict crystallization rates as a function of temperature. The crystallization pathway for YAG in this system is compared to others reported in the literature.

Original languageEnglish (US)
Pages (from-to)1795-1805
Number of pages11
JournalJournal of Materials Research
Volume16
Issue number6
DOIs
StatePublished - Jun 2001

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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