Rheological properties of aqueous alumina suspensions

Majić Renjo, Marijana and Lalić, Marijo and Ćurković, Lidija and Matijašić, Gordana (2012) Rheological properties of aqueous alumina suspensions. = Rheological properties of aqueous alumina suspensions. Materialwissenschaft und Werkstofftechnik, 43 (11). pp. 979-983. ISSN 0933-5137. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q4 (2012). Točan broj autora: 4.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/mawe.20...


The aim of the present work was to investigate rheological behaviour of alumina suspensions, considering different amounts of polyvinyl alcohol (PVAL) as a binder. Three different aqueous suspensions were prepared, containing 60, 70 and 80 wt.% of alumina powder. Spinel was added as a sintering agent and Darvan 821-A as a dispersant, in an amount of 0.08 and 0.4 wt.% of dry powder weight, respectively. The alumina suspensions flow curves were recorded and fitted satisfactorily to the power law, Herschel-Bulkley and Bingham models. Obtained results indicate that apparent viscosity of alumina suspensions increases with increasing Al2O3 and polyvinyl alcohol amount. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Alumina ceramic; Alumina powder; Alumina suspensions; Apparent viscosity; Aqueous alumina; Aqueous suspensions; Bingham model; Dispersants; Dry powders; Flow curves; Herschel-Bulkley; Rheological behaviour; Rheological property; Sintering agents; Alumina; Polyvinyl alcohols; Rheology; Sintering; Viscosity; Suspensions (fluids)
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Quartiles: Q4 (2012)
Date Deposited: 24 Apr 2015 09:48
Last Modified: 03 Mar 2016 14:50
URI: http://repozitorij.fsb.hr/id/eprint/3995

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