Author:
Mondal A.,Shukla A.,Upadhyaya A.,Agrawal D.
Abstract
The present study investigates the effect of varying particle size and
porosity on the heating behavior of a metallic particulate compact in a
2.45GHz multimode microwave furnace. Experiments on copper suggest that
unlike monolithic (bulk) materials, metallic materials do couple with
microwaves when they are in particulate form. The powder compacts having
higher porosity and smaller particle sizes interact more effectively with
microwaves and are heated more rapidly. A dynamic electromagnetic-thermal
model was developed to simulate the temporal temperature distribution using a
2-D finite difference time domain (FDTD) approach. The model predicts the
variation in temperature with time during heating of copper powder compacts.
The simulated heating profiles correlate well with those observed from
experiments.
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites
Cited by
63 articles.
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