DOI: 10.1111/j.1151-2916.1993.tb05302.x. Effect of Sintering Aids on Microstructures and PTCR Characteristics of (Sr0.2Ba0.8)TiO3 Ceramics

Effect of Sintering Aids on Microstructures and PTCR Characteristics of (Sr0.2Ba0.8)TiO3 Ceramics

10.1111/j.1151-2916.1993.tb05302.x

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

The effects of liquid‐phase sintering aids on the microstructures and PTCR characteristics of (Sr0.2Ba0.8)TiO3 materials have been studied. The grain size of sintered materials monotonically decreases with increasing content of Al2O3–SiO2–TiO2 (AST). The ultimate PTCR properties with ρht/ρrt as great as 105.61 are obtained for fine‐grain (10‐μm) samples, which contain 12.5 mol% AST and were sintered at 1350°C for 1.5 h. The quantity of liquid phase formed due to eutectic reaction between AST and (Sr,Ba)TiO3 is presumably the prime factor in determining the grain size of samples. The grains grow rapidly at the sintering temperature in the first stage until the liquid phase residing at the grain boundaries reaches certain critical thickness such that the liquid–solid interfacial energy dominates the mechanism of grain growth.

Bibliography

Cheng, H., Lin, T., Hu, C., & Lin, I. (1993). Effect of Sintering Aids on Microstructures and PTCR Characteristics of (Sr0.2Ba0.8)TiO3 Ceramics. Journal of the American Ceramic Society, 76(4), 827â832. Portico.

Authors 4

Hsiu‐Fung Cheng (first)
Tsai‐Fa Lin (additional)
Chen‐Ti Hu (additional)
I‐Nan Lin (additional)

References 18 Referenced 84

{'issue': '6', 'key': 'e_1_2_1_2_2', 'first-page': '173', 'article-title': 'Controlled Valency Semiconductors', 'volume': '5', 'author': 'Verwey E. J. W.', 'year': '1950', 'journal-title': 'Philips Res. Rep.'} / Philips Res. Rep. / Controlled Valency Semiconductors by Verwey E. J. W. (1950)
10.1002/pssb.19690310114
10.1111/j.1151-2916.1972.tb11223.x
10.1016/0167-577X(87)90084-X
10.1016/0038-1101(61)90080-6
10.1111/j.1151-2916.1964.tb13795.x
10.1016/0038-1101(64)90068-1
{'issue': '3', 'key': 'e_1_2_1_9_2', 'first-page': '292', 'article-title': 'Semiconducting BaTiO3 with Additions of Al2O3, SiO2 and TiO2', 'volume': '47', 'author': 'Matsuo Y.', 'year': '1968', 'journal-title': 'Am. Ceram. Soc. Bull.'} / Am. Ceram. Soc. Bull. / Semiconducting BaTiO3 with Additions of Al2O3, SiO2 and TiO2 by Matsuo Y. (1968)
10.1143/JJAP.18.735
{'issue': '2', 'key': 'e_1_2_1_11_2', 'first-page': '231', 'article-title': 'Electrical Properties of Semiconducting BaTiO3 by Liquid Phase Sintering', 'volume': '62', 'author': 'Howng W. Y.', 'year': '1983', 'journal-title': 'Am. Ceram. Soc. Bull.'} / Am. Ceram. Soc. Bull. / Electrical Properties of Semiconducting BaTiO3 by Liquid Phase Sintering by Howng W. Y. (1983)
10.2109/jcersj1950.90.1044_469
10.1063/1.344440
10.1002/pssa.2211050208
10.1111/j.1151-2916.1990.tb06549.x
10.1111/j.1151-2916.1974.tb10801.x
10.1111/j.1151-2916.1955.tb14562.x / J. Am. Ceram. Soc. / Phase Equilibria in the System BaTiO3–SiO2 by Rase D. E. (1955)
10.1149/1.2128977
10.1111/j.1151-2916.1981.tb10228.x

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, 10:17 p.m.)
Indexed	1 month, 4 weeks ago (June 24, 2025, 7:43 a.m.)
Issued	32 years, 4 months ago (April 1, 1993)
Published	32 years, 4 months ago (April 1, 1993)
Published Online	20 years, 5 months ago (March 8, 2005)
Published Print	32 years, 4 months ago (April 1, 1993)

Funders 0

None

BibTeX

@article{Cheng_1993, title={Effect of Sintering Aids on Microstructures and PTCR Characteristics of (Sr0.2Ba0.8)TiO3 Ceramics}, volume={76}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1993.tb05302.x}, DOI={10.1111/j.1151-2916.1993.tb05302.x}, number={4}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={Cheng, Hsiu‐Fung and Lin, Tsai‐Fa and Hu, Chen‐Ti and Lin, I‐Nan}, year={1993}, month=apr, pages={827–832} }

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