Rheological Equivalent Circuit Model Using Electrochemical Impedance Analysis

Author:

Choi Hwan Woo1ORCID,Song Young Seok1ORCID

Affiliation:

1. Department of Fiber Convergence Materials Engineering Dankook University, Yongin‐si Gyeonggi Do 16890 Republic of Korea

Abstract

AbstractThis study introduces a rheological equivalent circuit model inspired by electrochemical impedance spectroscopy (EIS) to analyze complex viscosity data. By exploiting the similarity between the Cole–Cole plot in rheology and the Nyquist plot in EIS, the study adopts circuit fitting methodologies to interpret rheological behavior of various polymers. The model employs redefined electrochemical elements, including dashpots, springs, rheological constant phase elements, and Warburg elements, to capture both linear and non‐linear responses. This approach offers both analytical and predictive capabilities, providing new insights into material composition.

Funder

Korea Institute for Advancement of Technology

National Research Foundation of Korea

Publisher

Wiley

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