Journal ArticleDOI
Stability of Aqueous α-Al2O3 Suspensions with Poly(methacrylic acid) Polyelectrolyte
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TLDR
In this paper, the stability of α-Al2O3 suspensions with Na+ salt of poly(methacrylic acid) (PMAA-Na) polyelectrolyte was studied as a function of pH.Abstract:
Stability of aqueous α-Al2O3 suspensions with Na+ salt of poly(methacrylic acid) (PMAA-Na) polyelectrolyte was studied as a function of pH. At a given pH, the transition from the flocculated to the dispersed state corresponded to the adsorption saturation limit of the powders by the PMAA. As the pH was decreased, the adsorption saturation limit increased until insolubility and charge neutralization of the PMAA was approached. The critical amount of PMAA required to achieve stability is outlined in a stability map.read more
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Colloidal Processing of Ceramics
TL;DR: In this article, a review of colloidal processing of ceramics is presented with an emphasis on interparticle forces, suspension rheology, consolidation techniques, and drying behavior.
Journal ArticleDOI
Powder Processing Science and Technology for Increased Reliability
TL;DR: In this paper, issues concerning powder consolidation methods compatible with the colloidal approach and issues associated with other powder processing steps, viz., densification and microstructural control, are presented with regard to research directions leading to more reliable ceramics.
Journal ArticleDOI
Porcelain—Raw Materials, Processing, Phase Evolution, and Mechanical Behavior
William M. Carty,Udayan Senapati +1 more
TL;DR: Porcelain represents the foundation of the ceramics discipline and one of the most complex ceramic materials as mentioned in this paper, and there remain significant opportunities for research and study, particularly in the areas of raw material understanding, processing science, and phase and microstructure evolution.
Journal ArticleDOI
Processing of Highly Concentrated Aqueous α‐Alumina Suspensions Stabilized with Polyelectrolytes
Joseph Cesarano,Ilhan A. Aksay +1 more
TL;DR: In this paper, the stability and rheology of aqueous α-Al2O3 suspensions with poly(methacrylic acid) and poly(acrylic acids) polyelectrolytes were studied as a function of pH, solids loading, and molecular weight.
Journal ArticleDOI
Citric Acid—A Dispersant for Aqueous Alumina Suspensions
TL;DR: In this paper, the effect of citric acid on the viscosity of alumina is investigated using the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory.
References
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Journal ArticleDOI
The cataphoresis of suspended particles. Part I.—The equation of cataphoresis
TL;DR: In this paper, Smoluchowski deduced the expression U = DXζ/4π η (1) for the cataphoretic velocity U ; X is the applied field strength, ζ the potential difference across the double layer, D the dielectric constant and η the viscosity of the medium.
Journal ArticleDOI
Processing of Highly Concentrated Aqueous α‐Alumina Suspensions Stabilized with Polyelectrolytes
Joseph Cesarano,Ilhan A. Aksay +1 more
TL;DR: In this paper, the stability and rheology of aqueous α-Al2O3 suspensions with poly(methacrylic acid) and poly(acrylic acids) polyelectrolytes were studied as a function of pH, solids loading, and molecular weight.
Journal ArticleDOI
A lattice theory of polyelectrolyte adsorption
TL;DR: Extension des theories de Schentjens et Fleer et de Roe au cas ou les polymeres adsorbes sont charges as mentioned in this paper, i.e.
Journal ArticleDOI
Polyelectrolyte adsorption: I. A new lattice theory
TL;DR: In this article, it was shown how the lattice model of Roe for adsorption of uncharged polymers can be extended to polyelectrolyte adaption.