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首页> 外文期刊>Journal of Advanced Ceramics >Effect of pH on rheology of aqueous AlSubscript2/SubscriptOSubscript3/Subscript/SiC colloidal system
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Effect of pH on rheology of aqueous AlSubscript2/SubscriptOSubscript3/Subscript/SiC colloidal system

机译:pH对Al 2 O 3 / SiC胶体体系流变学的影响

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The rheological behavior of aqueous Al2O3/SiC suspensions at different pH values was investigated by rheological measurement. Experimental results showed that at pH = 3–6, Al2O3 and SiC particles have opposite surface charges, and the binary suspensions have lower viscosity than the unary suspensions at shear rates of 0–300 s?1. Furthermore, at pH = 3–12, the stability of the Al2O3 component seemed to dominate the overall rheological behavior of the Al2O3/SiC binary suspensions. The tendency mentioned above showed little variations in various ionic strengths, particle diameters and component fractions.
机译:通过流变测量研究了Al2O3 / SiC水性悬浮液在不同pH值下的流变行为。实验结果表明,在pH = 3–6时,Al2O3和SiC颗粒具有相反的表面电荷,并且在0–300 s?1的剪切速率下,二元悬浮液的粘度低于一元悬浮液。此外,在pH = 3-12时,Al2O3组分的稳定性似乎支配了Al2O3 / SiC二元悬浮液的整体流变行为。上述趋势表明各种离子强度,粒径和组分分数几乎没有变化。

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