DOI: 10.1111/j.1151-2916.1993.tb05338.x. Determination of Critical Concentrations of Silica and/or Calcia for Abnormal Grain Growth in Alumina

Determination of Critical Concentrations of Silica and/or Calcia for Abnormal Grain Growth in Alumina

10.1111/j.1151-2916.1993.tb05338.x

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

Minimum amounts of SiO2 and CaO required for inducing abnormal grain growth in alumina were determined using ultrapure alumina (>99.999%) and sintering at 1900°C for 1 h in a contamination‐free condition. The critical concentrations of silicon in cationic mole fractions in alumina were 300 ppm without calcium, 200 ppm with 10 ppm calcium, and 150 ppm with 20 ppm calcium. The critical concentration of calcium alone was 30 ppm. These concentrations seemed to match approximately the solubility limits reported in the literature, which suggested that the abnormal grain growth in commercially pure alumina was indeed related with the formation of a small amount of liquid phase during sintering.

Bibliography

Bae, S. I., & Baik, S. (1993). Determination of Critical Concentrations of Silica and/or Calcia for Abnormal Grain Growth in Alumina. Journal of the American Ceramic Society, 76(4), 1065â1067. Portico.

Authors 2

So Ik Bae (first)
Sunggi Baik (additional)

References 13 Referenced 163

R. L.Coble “Transparent Alumina and Method of Preparation ” U.S. Pat. No. 3 026 210 Mar. 20 1962.
10.1111/j.1151-2916.1987.tb05005.x
10.1111/j.1151-2916.1989.tb09715.x
10.1111/j.1151-2916.1989.tb05965.x / J. Am. Ceram. Soc. / Effects of Chemical Inhomogenieties on Grain Growth and Microstructure in Al2O3 by Handwerker C. A. (1987)
10.1111/j.1151-2916.1990.tb05271.x
10.1111/j.1151-2916.1991.tb06931.x
S. I.BaeandS.Baik “Sintering and Grain Growth of Ultra‐Pure Alumina ”J. Mater. Sci. in press.
{'key': 'e_1_2_1_9_2', 'volume-title': 'Phase Diagrams for Ceramists', 'author': 'Levin E. M.', 'year': '1964'} / Phase Diagrams for Ceramists by Levin E. M. (1964)
10.1111/j.1151-2916.1985.tb15271.x
10.1103/PhysRevB.25.1006
{'key': 'e_1_2_1_12_2', 'first-page': '443', 'article-title': 'Influence of MgO on the Evolution of the Microstructure of Alumina', 'volume': '10', 'author': 'Peelen J. G. J.', 'year': '1975', 'journal-title': 'Mater. Sci. Res.'} / Mater. Sci. Res. / Influence of MgO on the Evolution of the Microstructure of Alumina by Peelen J. G. J. (1975)
10.1111/j.1151-2916.1983.tb10065.x
{'key': 'e_1_2_1_14_2', 'first-page': '529', 'volume-title': 'Sintering of Advanced Ceramics', 'author': 'Kolar D.', 'year': '1990'} / Sintering of Advanced Ceramics by Kolar D. (1990)

Dates

Type	When
Created	20 years, 5 months ago (March 8, 2005, 11:30 a.m.)
Deposited	1 year, 9 months ago (Nov. 22, 2023, 10:16 p.m.)
Indexed	1 week, 6 days ago (Aug. 23, 2025, 9:11 p.m.)
Issued	32 years, 5 months ago (April 1, 1993)
Published	32 years, 5 months ago (April 1, 1993)
Published Online	20 years, 5 months ago (March 8, 2005)
Published Print	32 years, 5 months ago (April 1, 1993)

Funders 0

None

BibTeX

@article{Bae_1993, title={Determination of Critical Concentrations of Silica and/or Calcia for Abnormal Grain Growth in Alumina}, volume={76}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1993.tb05338.x}, DOI={10.1111/j.1151-2916.1993.tb05338.x}, number={4}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={Bae, So Ik and Baik, Sunggi}, year={1993}, month=apr, pages={1065–1067} }

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