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How Liquid Marbles Break Down: Direct Evidence for Two Breakage Scenarios
Mizuki Tenjimbayashi1, Syuji Fujii2,3
1International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
Small (Weinheim an Der Bergstrasse, Germany)
|August 4, 2021
Summary
Liquid marbles, droplets stabilized by particles, break via cracking or water penetration based on impact energy. Understanding these breakage mechanisms is key to improving their robustness for industrial and biomedical uses.
Area of Science:
- Materials Science
- Fluid Dynamics
- Surface Science
Background:
- Liquid marbles are droplets coated with particles, offering non-stick properties for industrial and biomedical applications.
- Their practical use is hindered by inherent fragility, limiting their stability and performance.
Purpose of the Study:
- To investigate the breakage dynamics of particle-stabilized liquid marbles impacting a solid surface.
- To identify the key mechanisms governing liquid marble failure and factors influencing them.
Main Methods:
- In situ monitoring of liquid marble impact using high-speed interfacial microscopy.
- Analysis of particle monolayer behavior and liquid marble integrity during impact.
Main Results:
- Liquid marble breakage is triggered by either cracking or water penetration, dependent on impact energy.
- The occurrence of a jamming transition in the wrapping particles dictates the applicable breakage scenario.
Conclusions:
- The study reveals distinct breakage mechanisms for liquid marbles under impact.
- Insights gained can guide strategies to enhance the robustness and practical applicability of liquid marbles.
Keywords:
hydrophobic particlesinterfacial jammingliquid marblesmechanical durabilityparticle monolayersMore Related Videos
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