Centrifugal Casting of Tubular Perovskite Membranes

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Mertins, Frederic H.B. and Kruidhof, Henk and Bouwmeester, Henny J.M. (2005) Centrifugal Casting of Tubular Perovskite Membranes. Journal of the American Ceramic Society, 88 (11). pp. 3003-3007. ISSN 0002-7820

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Abstract:Dense tubular membranes were produced by centrifugal casting of an aqueous suspension, containing powder particles of the mixed-conducting perovskite La0.5Sr0.5CoO3−δ and a dispersant. The resulting green bodies were dried and sintered to produce tubes with a maximum length of 12 cm, having a relative density higher than 92%. The particle morphology, the amount of dispersant and its burnout appeared to influence the quality of the final product. Oxygen permeation measurements were conducted in the temperature range 850°–950°C in Air/He gradients. Results were found to be consistent with data reported for disk-type membranes.
Item Type:Article
Copyright:American Ceramic Society
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/71971
Official URL:http://dx.doi.org/10.1111/j.1551-2916.2005.00548.x
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Metis ID: 226314