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The effect of polyvinylpyrrolidone modified nano-polymers on rheological properties of silicon-based shear thickening fluid

The Physics of Fluids
Graphene oxide and carbon nanotubes have wide application prospects in many fields due to their unique micro-morphology. In this work, the surface of graphene oxide and carbon nanotubes was simply modified by polyvinylpyrrolidone to graft them together ...
Geng Wang, Li Sun, Chunwei Zhang
semanticscholar   +1 more source

Onset of shear thickening in a simple fluid

The European Physical Journal E, 2004
We report on nonequilibrium molecular-dynamics simulations of the shear-thickening transition in a simple fluid under shear. We relate the shear-thickening transition to the onset of instabilities in the flow profile and to that of dramatic variations in normal stress differences.
openaire   +2 more sources

Research and Applications of Shear Thickening Fluids

Recent Patents on Materials Science, 2011
Shear thickening fluids (STFs) have been studied extensively, and an enormous number of patents have been generated due to their potential for commercial applications. STFs draw continued attention as they are considered possible candidate materials for liquid body armour and sporting protective clothing because of their unique properties.
Ding, Jie, Li, Weihua, Shen, Shirley Z
openaire   +1 more source

Thixotropy of MR shear-thickening fluids

Smart Materials and Structures, 2010
Particle sedimentation is a key issue of conventional magnetorheological (MR) fluids. We recently fabricated MR shear-thickening fluids (MRSTF), which can work as novel MR fluids without particle settling. This merit of the material against particle settling is attributed to the thixotropy property.
Zhang, Xianzhou   +2 more
openaire   +2 more sources

Soft armor materials constructed with Kevlar fabric and a novel shear thickening fluid

Composites Part B: Engineering, 2020
This study presents the dynamic stab resistance and quasi-static mechanical properties of soft armor materials constructed with Kevlar fabric impregnated with a novel shear thickening fluid (STF) composed of silica microsphere and ionic liquids (ILs ...
Jianbin Qin   +5 more
semanticscholar   +1 more source

Shear thickening in filled Boger fluids

Journal of Rheology, 2005
Shear thickening is studied in suspensions consisting of micrometer sized polystyrene spheres dispersed in Boger fluids. In comparison with available data for suspensions in Newtonian media, shear thickening occurs at much lower volume fractions. Suspensions in normal nonlinear viscoelastic media typically do not display shear thickening at all.
Rossella Scirocco   +2 more
openaire   +1 more source

Design strategy for optimising weight and ballistic performance of soft body armour reinforced with shear thickening fluid

, 2020
This study presents some soft armour panel design strategies using shear thickening fluid (STF) reinforced Kevlar® fabric. The effect of size of silica nano and sub-micron particles on the ballistic performance of soft body armour panels against the ...
Mukesh Bajya   +4 more
semanticscholar   +1 more source

Characterization and Application of Shear Thickening Fluids

Applied Mechanics and Materials, 2013
The shear thickening phenomenon was explained in this paper. The characteristics of shear thickening fluids (STFs), including reversibility and liquid to solid transition at critical shear rate were presented. Also, the applications of STFs for protective clothing and equipment were discussed.
Zi Guo Wang   +3 more
openaire   +1 more source

Applications of shear thickening fluids: a review

International Journal of Hydromechatronics, 2018
Shear thickening fluids (STFs) are a type of non-Newtonian fluids. In the equilibrium state, the STFs are in liquid-state. However, they become solid-state under a sudden strike or impact. And when the strike or impact is removed, the STFs can turn back to their equilibrium properties.
Tian, Tongfei   +2 more
openaire   +2 more sources

Flow of dilatant (shear‐thickening) fluids

AIChE Journal, 1971
AbstractThe conduit laminar flow of dilatant (shear‐thickening) fluids was investigated. It was found that such flow agreed with the Metzner‐Reed (friction factor‐modified Reynolds number) correlation previously verified only for pseudoplastic fluids. The agreement was found to hold even for cases where the flow behavior index was 2.0 or greater, which
Richard G. Griskey, Richard G. Green
openaire   +1 more source

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