Shear thickening fluid (STF) in engineering applications and the potential of cork in STF-based composites

• Published in: Advances in colloid and interface science Vol. 327; p. 103157
• Main Authors: Serra, Gabriel F., Oliveira, Lídia, Gürgen, Selim, de Sousa, R.J. Alves, Fernandes, Fábio A.O.
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 01.05.2024
• Subjects: Cork composites; Impact resistance; Non-Newtonian rheology; Shear thickening fluid; Smart composites; Vibration damping; Smart composites; Impact resistance; Vibration damping; Cork composites; Non-Newtonian rheology; Shear thickening fluid
• ISSN: 0001-8686; 1873-3727; 1873-3727
• DOI: 10.1016/j.cis.2024.103157

Shear thickening fluids (STFs) are a unique type of fluids that can quickly transform into a solid-like state when subjected to forces (rate dependent). These fluids are created by dispersing micro and nanoparticles within a medium. When the force is removed, they return to their original liquid state. Shear thickening fluids can absorb a significant amount of impact energy, making them useful for reducing vibrations and serving as a damper. This study provides a comprehensive and brief overview of existing literature on shear thickening fluids, including their properties, classification, and the rheological mechanisms behind the shear thickening behaviour. It also examines the use of these fluids in various applications, such as improving resistance to stabs and spikes, protecting against low- and high-velocity impacts, and as a new medium for energy dissipation in industries such as battery safety, vibration control and adaptive structures. Lastly, this work reviews the promising combination of STFs with cork. Given the sustainability of cork and its energy absorption capacity, cork-STF composites are a promising solution for various impact-absorbing applications. Overall, the paper underscores the versatility and potential of STFs, and advocates for further research and exploration. [Display omitted] •Shear thickening fluids enhance composites energy absorption•Shear thickening colloidal suspensions perform well as sandwich structure interface•Cork composites are highly sustainable•Promising combination of shear thickening fluids with cork composites