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Meeting Materials Science & Technology 2019
Symposium Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
Presentation Title An Irreversible Thermodynamic Perspective on Chemical Reaction Kinetics in Ceramic Processing under Resonant Microwave-fields
Author(s) Boon Wong
On-Site Speaker (Planned) Boon Wong
Abstract Scope Expressions for isothermal chemical reaction kinetics under zero-field and resonant microwave-field (RMWF) conditions are derived applying irreversible thermodynamic perception and formalism, assuming the phenomenological coefficient as a function of concentration of the reacting mixture along the reaction coordinates. Under zero-field conditions, the rates are predicted to be dependent on the product of negative exponential function of activation energy and non-linear function of affinity. Conversely, the highly enhanced kinetics observed on reactions under RMWF conditions are expected to be dominantly controlled by the negative exponential function of reduced activation energy attributed to the tremendous RMWF-created work input to the total chemical potential of the reactant(s). The irreversible-thermodynamic predictions on reaction-rates are consistent with existing chemical kinetics derived from mass-action-based kinetic theories. Furthermore, the rationale accordingly formulated may also be applied to understand the experimental findings on most solid-state chemical reactions in ceramic processing under zero-field and RMWF conditions.
Proceedings Inclusion? Planned: At-meeting proceedings


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An Irreversible Thermodynamic Perspective on Chemical Reaction Kinetics in Ceramic Processing under Resonant Microwave-fields
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