The rheological properties of two non-polar liquids [silicone oil or perfluorinated oil (FC70)] containing various types of particles, barium titanate, nickel and iron oxide, were investigated as functions of solid loading, particle size and shear rate. All the particles were synthesised in-house. The viscosities of either silicone oil or FC70 containing different solid loadings (10, 20 and 30 g/L) were measured over the shear rate range of 0.10-10 s-1. All the nanofluids showed shear-thinning behaviour within this range and the viscosities increased with the increase of concentrations of nanoparticle and with the decrease of particle size. The highest increase of viscosity was found to be caused by nickel particles in silicone oil due to the formation of Ni network.
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机译：研究了两种不同极性的非极性液体[硅油或全氟化油（FC70）]的流变性质，它们是固体载量，粒径和剪切速率的函数。所有颗粒都是在内部合成的。在0.10-10 s-1的剪切速率范围内，测量了硅油或含有不同固体含量（10、20和30 g / L）的FC70的粘度。在此范围内，所有纳米流体均表现出剪切稀化行为，并且粘度随着纳米颗粒浓度的增加和粒度的减小而增加。发现粘度的最高增加是由于形成了镍网而使硅油中的镍颗粒引起的。
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