Dispersion and rheological properties of alumina freeze casting slurries containing nanoparticle/whisker SiC

T Y Yang, Y M Park, G D Lee, S Y Yoon, R Stevens, H C Park

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The sedimentation density significantly decreased after addition of dispersant; the effect was more pronounced with pure alumina, as compared with SiC-containing slurry. With further addition of surfactant, the sedimentation density increased somewhat, but decreased with binder additions. The suspension viscosity generally behaved in an opposite manner to the sedimentation density, i.e., low sedimentation density gave high low-shear viscosity, indicative of high structure formation in the suspended particles. Shear rate rheological measurements showed continuous shear thinning behavior.
Original languageEnglish
Pages (from-to)1035-1038
Number of pages4
JournalAdvances in Composite Materials and Structures, Parts 1 and 2
Volume280-283
Publication statusPublished - 2005

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