EFFECT OF SALVATION AND SUSPENDING MEDIUM ON THE RHEOLOGICAL PROPERTIES OF SHEAR THICKENING FLUID (STF)

Abstract

Abstract: The effect of salvation and suspending medium of PEG200, PEG400, PEG/Gl on the rheological properties of shear thickening fluid (STF) were studied with a rheometer. The results show that single suspending medium on the thickening effect are better than compound suspending medium. Compared with the critical shear rates, they showed PEG400<PEG200<SiO₂/PEG400/Gl<SiO₂/PEG200/Gl, so the larger PEG molecular weight with single dispersing medium, the better shear thickening effect has. In addition, with higher mass faction of SiO₂, the shear thickening effect is more obvious. Therefore, under small shear rate the high mass faction can be chosen to get better thickening effect.

Key words: shear thickening, rheological properties, critical shear rate

CLC Number:

TB332

JING Xiao-ying, LU Zhen-qian. EFFECT OF SALVATION AND SUSPENDING MEDIUM ON THE RHEOLOGICAL PROPERTIES OF SHEAR THICKENING FLUID (STF)[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(3): 32-35.

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