Extreme deformation of structured fluids and interfaces – Exploiting ultrafast collapse and yielding phenomena for new processes and formulated products

ERC-2014-StG | Project no. 639221

The increasing demand for environmentally friendly, healthier, and better performing formulated products means that the process industry needs more than ever predictive models of formulation performance for rapid, effective, and sustainable screening of new products. Processing flows and end use produce deformations that are extreme compared to what is accessible with existing experimental methods. As a consequence, the effects of extreme deformation are often overlooked without justification.

Extreme deformation of structured fluids and soft materials is an unexplored dynamic regime where unexpected phenomena may emerge. New flow-induced microstructures can arise due to periodic forcing that is much faster than the relaxation timescale of the system, leading to collective behaviors and large transient stresses.

The goal of this research is to introduce a radically innovative approach to explore and characterize the regime of extreme deformation of structured fluids and interfaces. By combining cutting-edge techniques including acoustofluidics, microfluidics, and high-speed imaging, we will perform pioneering high-precision measurements of macroscopic stresses and evolution of the microstructure. We will also explore strategies to exploit the phenomena emerging upon extreme deformation (collapse under ultrafast compression, yielding) for new processes and for adding new functionality to formulated products.

These experimental results, complemented by discrete particle simulations and continuum-scale modeling, will provide new insights that will lay the foundations of the new field of ultrafast soft matter. Ultimately the results of this research program will guide the development of predictive tools that can tackle the time scales of realistic flow conditions for applications to virtual screening of new formulations.


18. S. Saha, P. Luckham, V. Garbin, Interfacial elasticity of colloid monolayers probed by high-frequency bubble dynamics in ultrasound (in preparation)

17. B. Saint-Michel, G. Petekidis, V. Garbin, Tuning local microstructure of colloidal gels by ultrasound-activated deformable inclusions, Soft Matter 18, 2092 (2022)

16. S. Saha, F. Pagaud, B. P. Binks, V. Garbin, Buckling versus crystal expulsion controlled by deformation rate of particle-coated air bubbles in oil, Langmuir 38, 1259 (2022)

15. B. Saint-Michel and V. Garbin, Bubble dynamics for broadband microrheology of complex fluids, Current Opinion in Colloid and Interface Science 50, 101392 (2020)

14. B. Saint-Michel and V. Garbin, Acoustic bubble dynamics in a yield-stress fluid, Soft Matter 16, 10405 (2020) [journal cover]

Bubbles initially trapped in a yield-stress fluid can be displaced by acoustic forces and exhibit shape oscillations at higher acoustic pressure, but irreversible motion is not observed.

13. S. Saha, B. Saint-Michel, V. Laynes, B.P. Binks, V. Garbin, Stability of bubbles in wax-based oleofoams: decoupling the effects of bulk oleogel rheology and interfacial rheology, Rheologica Acta 59, 255 (2020)

12. M. De Corato, B. Saint-Michel, G. Makrigiorgios, Y. Dimakopoulos, J. Tsamopoulos, V. Garbin, Oscillations of small bubbles and medium yielding in elastoviscoplastic fluids, Physical Review Fluids 4, 073301 (2019)

11. A. Jamburidze, A. Huerre, D. Baresch, V. Poulichet, M. De Corato, and V. Garbin, Nanoparticle-coated microbubbles for combined ultrasound imaging and drug delivery, Langmuir 35 10087 (2019)

Towards combined ultrasound imaging and controlled release with nanoparticle-coated microbubbles

10. V. Garbin, Collapse mechanisms and extreme deformation of particle-laden interfaces, Current Opinion in Colloid and Interface Science (2019)

9. B. Dollet, P. Marmottant, V. Garbin, Bubble dynamics in soft and biological matter, Annual Review of Fluid Mechanics 51, 331 (2019)

8. A. Huerre, M. De Corato, V. Garbin, Dynamic capillary assembly of colloids at interfaces with 10,000g accelerations, Nature Communications 9, 3620 (2018)

7. M. De Corato, V. Garbin, Capillary interactions between dynamically forced particles adsorbed at a planar interface and on a bubble, Journal of Fluid Mechanics 847, 71 (2018)

6. V. Garbin, Dynamics of coated microbubbles in ultrasound, The Micro-World Observed by Ultra High-Speed Cameras: We See What You Don’t See (Springer 2018)

5. A. Huerre, F. Cacho-Nerin, V. Poulichet, C. E. Udoh, M. De Corato, and V. Garbin, Dynamic organization of ligand-grafted nanoparticles during adsorption and surface compression at fluid-fluid interfaces, Langmuir 34, 1020 (2018)

4. A. Jamburidze, M. De Corato, A. Huerre, A. Pommella, V. Garbin, High-frequency linear rheology of hydrogels probed by ultrasound-driven microbubble dynamics, Soft Matter 13, 3946 (2017)

3. K. Achakulwisut, C. Tam, A. Huerre, R. Sammouti, B. P. Binks, V. Garbin, Stability of clay particle-coated microbubbles in alkanes against dissolution induced by heating, Langmuir 33, 3809 (2017)

2. V. Poulichet, A. Huerre, V. Garbin, Shape oscillations of particle-coated bubbles and directional particle expulsion, Soft Matter 13, 125 (2017) [Themed collection: Soft Matter Emerging Investigators 2017]

1. M. Tinguely, M. G. Hennessy, A. Pommella, O. K. Matar, V. Garbin, Surface waves on a soft viscoelastic layer produced by an oscillating microbubble, Soft Matter 12, 4247 (2016)