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Dispersion and Rheology of Aqueous Zirconium Diboride Nanosuspensions
Author(s) -
He Rujie,
Hu Ping,
Zhang Xinghong,
Han Wenbo,
Wang Qin
Publication year - 2013
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/ijac.12084
Subject(s) - materials science , rheology , dispersant , zeta potential , aqueous solution , dispersion (optics) , chemical engineering , zirconium , viscosity , composite material , nanoparticle , nanotechnology , organic chemistry , metallurgy , chemistry , optics , physics , engineering
The dispersion and rheology of aqueous Z r B 2 nanosuspensions were investigated by zeta potential measurements, particle size measurements, sedimentation tests, and rheology measurements, with poly (acrylic acid) ( PAA ) as dispersant. Results showed that the dispersion and rheology of nanosized Z r B 2 suspensions in aqueous media were dependent on p H value, PAA concentration, solid loading, and ball milling time. Concentrated (up to 30 vol% solid loading) and well‐stabilized aqueous Z r B 2 nanosuspension with low viscosity (0.485 Pa s at 60/s) was prepared at p H 10, with 1.0 wt% PAA .

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