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《Materials for Mechanical Engineering》 2006-01
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Electrokinetic Behavior of Aqueous Silicon Nitride Suspensions

DENG Bin~(1,2),HUANG Hai-ying~1,YU Rui-jin~2,XU An-wu~2(1.Xiangnan University,Chenzhou 423000,China;2.Zhongshan University,Guangzhou 510275,China)  
Electrokinetic behavior of aqueous silicon nitride suspensions was studied by measuring zeta potential and effective particulate diameter.The isoelectric point of the silicon nitride powders was at the pH value of 4.2,and the parameters such as pH value and type of polyelectrolytes affected the surface charge and the stability of silicon nitride suspensions.A proper addition of anionic polyelectrolyte could lead to finely dispersed silicon nitride suspensions in the aqueous solution.
【Fund】: 湖南省教育厅科技处基金资助项目(01C010)
【CateGory Index】: TQ174.1
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