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Updated: Aug 18, 2025

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
Dynamic morphological transformations in soft architected materials via buckling instability encoded heterogeneous
Neng Xia1, Dongdong Jin2,3, Chengfeng Pan1
1Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
Researchers developed a magnetic approach for controllable shape changes in soft materials. This enables dynamic geometric reconfiguration for applications in flexible electronics and smart systems.
Area of Science:
- Materials Science
- Mechanical Engineering
- Nanotechnology
Background:
- Geometric reconfigurations in 3D morphable structures are key for flexible electronics and smart systems.
- Controlling anisotropic transformations and dynamic regulation of architected materials across scales remains a significant challenge.
Purpose of the Study:
- To develop a magnetic regulation approach for controllable transformation of morphable structures.
- To unveil the dynamic modulation mechanism and potential applications of these structures.
Main Methods:
- Encoding heterogeneous magnetization profiles within soft architected materials using buckling instability.
- Applying spatially and temporally programmed magnetic inputs to induce anisotropic morphological transformations.
- Utilizing magnetic stimulation to predetermine and control buckling states.
Main Results:
- Demonstrated a variety of anisotropic morphological transformations and dynamic geometric reconfigurations.
- Achieved controllable buckling states without prolonged magnetic stimulation.
- Exploited dynamic modulations to create systems with switchable fluidic properties.
Conclusions:
- The magnetic regulation approach offers a novel method for programmable and dynamic morphological transformation in soft architected materials.
- Potential applications include microfluidics, programmable metamaterials, fluidic manipulation, particle trapping, enhanced biomedical analysis, and soft robotics.
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