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Non-contact in situ microwave material measurements for high temperature process monitoring
Balamurugan T. Sivaprakasam, ,
Published in American Institute of Physics Inc.
2019
PMID: 30927825
Volume: 90
   
Issue: 3
Abstract
Non-contact real time microwave measurement and signal analysis techniques to extract high temperature material parameters from the mono-static reflections gathered by a compact air cooled corrugated horn are presented in this work. Non-contact in situ microwave measurements gathered over 20-24 GHz inside a closed furnace were processed to identify the thermodynamic phase change temperature of metal and glass melts. The melting point of aluminum alloy and glass transition of a borosilicate glass matrix extracted from the time gated and processed microwave measurements were in good agreement with differential scanning calorimetry measurements. Thus, the ability to measure high temperature material process parameters using non-contact microwave measurements is demonstrated. © 2019 Author(s).
About the journal
JournalData powered by TypesetReview of Scientific Instruments
PublisherData powered by TypesetAmerican Institute of Physics Inc.
ISSN00346748
Open AccessNo
Concepts (20)
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    Aluminum alloys
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    Borosilicate glass
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    Differential scanning calorimetry
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    Glass manufacture
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    Glass transition
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    High temperature effects
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    Microwave measurement
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    MICROWAVES
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    Parameter estimation
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    Process monitoring
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    Temperature
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    Analysis techniques
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    BOROSILICATE GLASS MATRIX
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    CORRUGATED HORNS
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    GLASS MELTS
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    HIGH TEMPERATURE MATERIALS
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    HIGH TEMPERATURE PROCESS
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    Microwave materials
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    PHASE CHANGE TEMPERATURE
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    MICROWAVE MATERIALS PROCESSING