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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2017-04-14
Multiphysics Model of Iron Powder Compacts for Efficient Microwave Processing
By
Jutika Devi,

    Dr. Jutika Devi

    Department of Electronics & Communication Technology

    Gauhati University

    India

    Homepage

Mohammad Jaleel Akhtar,

    Professor Mohammad Jaleel Akhtar

    Dept. of Electrical Engineering

    Indian Institute of Technology Kanpur

    India

    Homepage

Pranayee Datta

    Prof. Pranayee Datta

    Department of Electronics & Communication Technology

    Gauhati University

    India

    Homepage

Progress In Electromagnetics Research M, Vol. 56, 11-23, 2017
doi:10.2528/PIERM17021306 | Google Scholar

Abstract
A generalized multiphysics model using COMSOL Multiphysics software for optimizing the sintering process of iron powders having various green densities is developed. The modeling is facilitated by designing a 30 GHz multimode applicator, where the test sample is placed for the microwave processing. The effective dielectric and magnetic properties of the resultant metal powder compact is estimated using the effective electromagnetic model considering the idea of core - shell particle approach followed by the Lichtenecker's mixture formula. A theoretical approach relating the penetration depth, proper impedance matching and volume fraction of different density powder compacts is also discussed here. From the study, it is clear that the effective dielectric, magnetic, and thermal properties all contribute to the microwave sintering process of metal powders.
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Citation
Jutika Devi, Mohammad Jaleel Akhtar, and Pranayee Datta, "Multiphysics Model of Iron Powder Compacts for Efficient Microwave Processing," Progress In Electromagnetics Research M, Vol. 56, 11-23, 2017.
doi:10.2528/PIERM17021306
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