System Materials Processing Lab
System Materials Processing Lab
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We conduct interdisciplinary research regarding nano, bio, energy and optical applications based on polymer processing and rheology.
Research Approaches
Research Approaches
Rheology
Rheology
Most materials exhibit both viscous and elastic characteristics instead of behaving purely as solids or liquids.
Rheology is the quantitative analysis of this viscoelasticity, revealing how materials deform and flow under stress.
In polymer processing and viscous-fluid manufacturing, an understanding of rheology is essential for controlling stability, texture, and performance.
We approach rheology from both experimental and theoretical perspectives, combining precise measurements with analytical modeling to link molecular structure to macroscopic behavior.
Electrochemistry
Electrochemistry
Electrochemical analysis, particularly electrochemical impedance spectroscopy (EIS), is an effective method for probing charge transport, storage behavior, and ion diffusion within materials.
EIS provides unique insight into multiphase systems where the electrical responses reveal the underlying microstructural features and interfacial phenomena.
We use a rigorous equivalent circuit modeling framework to quantitatively interpret electrochemical behavior.
This systematic approach allows us to link experimental impedance data to physical parameters, such as conductivity, diffusion pathways, and interfacial resistance.
Rheo-impedance
Rheo-impedance
Rheo-impedance is a set of in-situ electrochemical measurement techniques performed while a material undergoes shear deformation.
Combining rheology and electrochemistry provides a unique perspective on the coupling between mechanical and electrical behaviors.
Monitoring impedance under controlled flow conditions allows for the direct observation of how structural rearrangements influence charge transport.
Thus, rheo-impedance serves as a powerful tool for investigating the internal structure of multiphase materials and revealing dynamic interactions that conventional static measurements cannot capture.
Simulation
Simulation
Finite element analysis allows us to predict how materials will behave under complex geometries and boundary conditions that are difficult to recreate in an experiment.
This method also provides theoretical insight prior to physical testing, enabling us to design more efficient, targeted experiments.
We use COMSOL Multiphysics and Moldex3D to simulate viscoelastic fluid flow, electrochemical reactions, and optical responses.
Through these simulations, we integrate theoretical modeling with experimental validation to better understand coupled mechanical, electrical, and optical phenomena in complex material systems.
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