Concentration effect of Cs+ additive on the γ-Al2O3-to-α-Al2O3 phase transition

Kiyoshi Okada, Akiyoshi Hattori, Yoshikazu Kameshima, Atsuo Yasumori

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13 Citations (Scopus)


The effect of Cs+ additive on the γ-Al2O3-to-α-Al2O3 phase transition was investigated as a function of the Cs+ concentration by powder X-ray diffraction and specific surface area (SA) measurements. The addition of Cs+ increasingly retarded the γ-to-α phase transition with increasing Cs+ concentration, reading a maximum at 5 mol% addition, at which the transition temperature was increasing by about 200 °C. This Cs+ concentration corresponds to an amount of cation which would almost fully cover the surface of the γ-Al2O3 grains.

Original languageEnglish
Pages (from-to)175-178
Number of pages4
JournalMaterials Letters
Issue number3
Publication statusPublished - Jan 2000
Externally publishedYes

ASJC Scopus subject areas

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


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