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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/5164

Title: Effect of milling time on the rheology of highly loaded aqueous-fused silica slurry
Authors: MOHANTA, K
BHARGAVA, P
Keywords: ceramics
Issue Date: 2008
Publisher: BLACKWELL PUBLISHING
Citation: JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 91(2), 640-643
Abstract: The effects of milling time on the rheological behavior of 70-vol% loaded fused silica slurries were studied. A transition from shear thickening to shear thinning behavior was observed with milling time. Slurry viscosity and thixotropy attained a minimum after 18 h of milling and remained almost unchanged with additional milling. Infrared spectroscopy and particle surface charge measurements confirmed the development of increasing amount of surface hydroxide and surface charge respectively with progress in milling time, leading to shear thinning behavior. An initial static aging treatment of 24 h aided the development of silanol groups, indicating that the milling time can be reduced to save energy and time.
URI: http://dx.doi.org/10.1111/j.1551-2916.2007.02153.x
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5164
http://hdl.handle.net/10054/5164
ISSN: 0002-7820
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