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Updated: Jun 28, 2025
08:40
Ultrasonic Welding of Thermoplastic Composite Coupons for Mechanical Characterization of Welded Joints through Single Lap Shear Testing
Published on: February 11, 2016
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Thermal Welding of Liquids
Yunhui Wen1, Kaijuan Li1, Jiaqiu Luo1
1State Key Laboratory of Chemical Resource Engineering, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
Advanced Materials (Deerfield Beach, Fla.)
|April 24, 2024
Summary
Researchers achieved thermal welding of liquids using nanoparticle surfactants (NPSs). This breakthrough enables the creation of complex liquid structures and modular all-liquid fluidics for diverse applications.
Area of Science:
- Materials Science
- Fluid Dynamics
- Nanotechnology
Background:
- Thermoplastic welding is established, but liquid welding remains a challenge.
- Nanoparticle surfactants (NPSs) offer potential for interfacial manipulation.
Purpose of the Study:
- To develop a method for thermal welding of liquids.
- To explore the use of NPSs for controlling liquid interfaces and structures.
Main Methods:
- Utilizing nanoparticle surfactants (NPSs) for assembly and jamming at liquid-liquid interfaces.
- Controlling NPS dynamic interaction strength to tune interfacial activity and binding energy.
- Employing external forces for structural manipulation and temperature for welding.
Main Results:
- Achieved precise control over NPS interfacial activity and binding energy.
- Demonstrated manipulation of liquid structures into complex geometries.
- Successfully realized thermal welding of liquids through temperature-responsive NPSs.
Conclusions:
- Developed a novel thermal welding technique for liquids using NPSs.
- This method facilitates the construction of modular all-liquid fluidics.
- Opens new avenues in biotechnology, healthcare, and materials science.
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