HEATING RATES OF SILICON CARBIDE IN A MICROWAVE FIELD

被引:0
|
作者
Mellodge, P. [1 ]
Folz, D. [1 ]
Clark, D. [1 ]
West, J. [2 ]
机构
[1] Virginia Polytech Inst & State Univ, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
[2] PNES Inc, Gainesville, FL 32609 USA
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T [工业技术];
学科分类号
08 ;
摘要
When heated using microwave energy, silicon carbide (SiC) exhibits a nonlinear heating behavior with respect to temperature. Experiments in a multimode cavity show that at higher microwave powers, there are two distinct regions in the heating rate versus temperature curve. In each temperature range, the heating rate closely follows a linear model, but the slopes of the two regions differ. This data is fit to a hybrid control system model so that a feedback controller can be designed to cause the SiC to precisely follow a given temperature profile.
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页码:505 / +
页数:3
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