Abstract
An analysis of interfacial energies in a solid‐liquid system showed that complete penetration of a liquid along grain boundaries in a microstructure forming during liquid‐phase sintering is not necessarily associated with complete wetting or spreading at the solid‐liquid interface. Investigations were made on the penetration of CaO‐Al2O3‐SiO2 glasses into dense polycrystalline aluminas. Initial penetration was along three‐grain junctions or grain boundaries by a solution/reaction between the liquid and defect‐containing alumina along interfaces. Degree of penetration was variable, and it was dependent on internal strain and MgO addition. Extended heat treatments reduced liquid penetration.
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Dates
Type | When |
---|---|
Created | 20 years, 5 months ago (March 8, 2005, 1:54 p.m.) |
Deposited | 1 year, 9 months ago (Nov. 23, 2023, 12:52 a.m.) |
Indexed | 1 month, 3 weeks ago (July 13, 2025, 10:48 p.m.) |
Issued | 38 years, 2 months ago (July 1, 1987) |
Published | 38 years, 2 months ago (July 1, 1987) |
Published Online | 20 years, 5 months ago (March 8, 2005) |
Published Print | 38 years, 2 months ago (July 1, 1987) |
@article{FLAITZ_1987, title={Penetration of Polycrystalline Alumina by Glass at High Temperatures}, volume={70}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1987.tb05674.x}, DOI={10.1111/j.1151-2916.1987.tb05674.x}, number={7}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={FLAITZ, PHILIP L. and PASK, JOSEPH A.}, year={1987}, month=jul, pages={449–455} }