Since 1963
ARTICLE
Analysis of mechanochemical diffusion coupling processes based on transient continuum chemo-mechanical coupling theory
1
School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
These authors had equal contribution to this work
Submission date: 2025-02-18
Final revision date: 2025-05-15
Acceptance date: 2025-06-09
Online publication date: 2025-10-17
Corresponding author
Pengfei Yu
School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, China
School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian, China
KEYWORDS
TOPICS
ABSTRACT
Chemical diffusion is vital in materials science and energy technology. Current Fick and non-Fick theories overlook the transient nature of diffusion. By referring to biomechanical axioms, we incorporate the transient expansion process and introduce characteristic time. This paper explores chemo-mechanical coupling in a spherical structure via transient continuum theory. The results show characteristic time changes in the diffusion equation from parabolic to hyperbolic, yielding finite diffusion speed and wave-like behavior, offering a basis for optimizing systems like lithium-ion batteries.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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