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Temperature
sensitivity and particle interaction behavior in
nanosilica-based shear thickening fluids
Xiao Ning Mo, Ji Xing Meng, Zhao-Dong Xu, Xing-Huai Huang, Sajid Khan and Juncheng Yao |
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Vol. 21 (2026), No. 1, 71–88
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Abstract |
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We investigate the rheological behavior of nanosilica/PEG200-based shear thickening fluids (STFs), focusing on their temperature-dependent characteristics over the range of –C. Results show that increasing temperature significantly reduces both the peak viscosity and shear stress while raising the critical shear rate. At 5 C, the STF transitions into a gel-like state. Mechanistic analysis confirms that solvent viscosity is not the dominant factor; instead, interparticle interactions and temperature-induced evolution of the solvation layer are identified as the key mechanisms. This work quantitatively reveals how solvation layer thickness varies with temperature: a thicker layer at low temperatures promotes the formation of stable force chains, leading to high friction and shear stress, whereas a thinner layer at high temperatures allows hydrodynamic clusters to dominate, resulting in a weaker stress response. The peak viscosity follows the Arrhenius model. These findings elucidate the temperature-dependent link between macroscopic properties and microstructure in STFs, providing a theoretical basis for designing STFs for use in varying thermal environments. |
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Keywords
shear thickening fluids, temperature sensitivity, Arrhenius
behavior, microscopic analysis
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Milestones
Received: 6 October 2025
Revised: 29 November 2025
Accepted: 3 January 2026
Published: 9 March 2026
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Authors |
| Xiao Ning Mo | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Shenzhen Research Institute Southeast University Shenzhen, 518063 China |
| Ji Xing Meng | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Jiangsu Key Laboratory of Mechanical
Analysis for Infrastructure and Advanced Equipment School of Civil Engineering Southeast University Nanjing, 210096 China |
| Zhao-Dong Xu | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Shenzhen Research Institute Southeast University Shenzhen, 518063 China |
| Xing-Huai Huang | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
Shenzhen Research Institute Southeast University Shenzhen, 518063 China |
| Sajid Khan | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
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| Juncheng Yao | |
| China-Pakistan Belt and Road Joint
Laboratory on Smart Disaster Prevention of Major
Infrastructures School of Civil Engineering Southeast University Nanjing, 210096 China |
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| © 2026 MSP (Mathematical Sciences Publishers). |
