Abstract
Conductivity and rheology of conductive shear thickening fluids (C-STFs), which consist of fumed silica, polyethylene glycol (PEG), and multiwalled carbon nanotubes (MWCNTs), are presented in this chapter. First, description of STF, categorization of STF, and definition of STF mechanism are given. C-STFs are also discussed in terms of multifunctionality aspects. Finally, C-STF including base STF (20 wt.% silica) and MWCNTs (0.20 wt.% to 3.50 wt.%) are fabricated, and their conductive and rheological characteristics are presented as a case study. The results show that the inclusion of MWCNTs into STF supports the rheological characteristics of STF while increasing the electrical conductivity sharply. The percolation threshold of C-STFs, as a significant influencing factor on the suspension characteristics, is further studied to understand the influence of MWCNT addition on the electrical resistance of C-STF suspensions. Electrical resistance of C-STF suspensions is significantly suppressed at the percolation threshold due to the intrinsic conductivity of MWCNTs.
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Sheikhi, M.R., Hasanzadeh, M., Gürgen, S. (2023). Conductive Shear Thickening Fluids for Multifunctional Purposes. In: Gürgen, S. (eds) Shear Thickening Fluid. Springer, Cham. https://doi.org/10.1007/978-3-031-35521-9_2
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DOI: https://doi.org/10.1007/978-3-031-35521-9_2
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