DOI: 10.1111/j.1151-2916.1995.tb08842.x. Development of Nano‐Composite Microstructures in ZrO2‐Al2O3 via the Solution Precursor Method

Development of Nano‐Composite Microstructures in ZrO2‐Al2O3 via the Solution Precursor Method

10.1111/j.1151-2916.1995.tb08842.x

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

Aqueous mixtures of zirconium acetate and aluminum nitrate were pyrolyzed and crystallized to form a metastable solid solution, Zr1‐xAlxO2−x/2 (x < 0.57). The initial, metastable phase partitions at higher temperatures to form two metastable phases, viz., t−ZrO2+γ‐Al2O3 with a nano‐scale microstructure. The microstructural observations associated with the γ‐ →α‐Al2O3 phase transformation in the t‐ZrO2 matrix are reported for compositions containing 10, 20, and 40 mol% A12O3. During this phase transformation, the α‐Al2O3 grains take the form of a colony of irregular, platelike grains, all with a common crystallographic orientation. The plates contain ZrO2 inclusions and are separated by ZrO2 grains. The volume fraction of A12O3 and the heat treatment conditions influence the final microstructure. At lower volume fractions of A12O3, the colonies coarsen to single, irregular plates, surrounded by polycrystalline ZrO2. Interpenetrating microstructures produced at high volume fractions of A12O3 exhibit very little grain growth for periods up to 24 h at 1400°C.

Bibliography

Balmer, M. L., Lange, F. F., Jayaram, V., & Levi, C. G. (1995). Development of NanoâComposite Microstructures in ZrO2âAl2O3 via the Solution Precursor Method. Journal of the American Ceramic Society, 78(6), 1489â1494. Portico.

Authors 4

Mari Lou Balmer (first)
Fred F. Lange (additional)
Vikram Jayaram (additional)
Carlos G. Levi (additional)

References 24 Referenced 52

10.1111/j.1151-2916.1994.tb07098.x
{'key': 'e_1_2_1_3_2', 'first-page': '811', 'article-title': 'Thermal Decomposition of Aluminum Salts—Hydrates of the Chloride, Nitrate and Sulphate, and of Ammonium Alum', 'volume': '28', 'author': 'Sato T.', 'year': '1978', 'journal-title': 'J. Appl. Chem. Biotechnol.'} / J. Appl. Chem. Biotechnol. / Thermal Decomposition of Aluminum Salts—Hydrates of the Chloride, Nitrate and Sulphate, and of Ammonium Alum by Sato T. (1978)
10.1111/j.1151-2916.1985.tb15818.x
10.1557/JMR.1990.0278
10.1111/j.1151-2916.1991.tb08295.x
10.1016/0001-6160(89)90240-X
10.1002/jemt.1060020309
10.1111/j.1151-2916.1986.tb04779.x
{'issue': '1', 'key': 'e_1_2_1_10_2', 'first-page': '6', 'article-title': 'Development of SIRO2 Oxygen Sensor: Sub‐Solidus Phase Equilibria in the System ZrO2‐Al2O3‐Y2O3', 'volume': '18', 'author': 'Bannister M. J.', 'year': '1982', 'journal-title': 'J. Aust. Ceram. Soc.'} / J. Aust. Ceram. Soc. / Development of SIRO2 Oxygen Sensor: Sub‐Solidus Phase Equilibria in the System ZrO2‐Al2O3‐Y2O3 by Bannister M. J. (1982)
F. F.LangeandF.McNally; private communication December 1994.
10.1016/0921-5093(90)90336-2
10.1007/BF00540549
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10.1111/j.1151-2916.1982.tb10511.x
{'key': 'e_1_2_1_17_2', 'first-page': '244', 'volume-title': 'X‐ray Identification and Crystal Structure of Clay Minerals', 'author': 'JCPDS Card No. 29‐63, revised from', 'year': '1951'} / X‐ray Identification and Crystal Structure of Clay Minerals by JCPDS Card No. 29‐63, revised from (1951)
{'key': 'e_1_2_1_18_2', 'first-page': '461', 'volume-title': 'The Theory of Transformations in Metals and Alloys', 'author': 'Christian J. W.', 'year': '1975'} / The Theory of Transformations in Metals and Alloys by Christian J. W. (1975)
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10.1111/j.1151-2916.1990.tb07621.x

Dates

Type	When
Created	20 years, 1 month ago (July 11, 2005, 3:06 p.m.)
Deposited	1 year, 9 months ago (Nov. 22, 2023, 5:27 p.m.)
Indexed	2 months, 2 weeks ago (June 24, 2025, 7:43 a.m.)
Issued	30 years, 3 months ago (June 1, 1995)
Published	30 years, 3 months ago (June 1, 1995)
Published Online	20 years, 1 month ago (July 11, 2005)
Published Print	30 years, 3 months ago (June 1, 1995)

Funders 0

None

BibTeX

@article{Balmer_1995, title={Development of Nano‐Composite Microstructures in ZrO2‐Al2O3 via the Solution Precursor Method}, volume={78}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1995.tb08842.x}, DOI={10.1111/j.1151-2916.1995.tb08842.x}, number={6}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={Balmer, Mari Lou and Lange, Fred F. and Jayaram, Vikram and Levi, Carlos G.}, year={1995}, month=jun, pages={1489–1494} }

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