Gyrotron beam heating of ceramic coatings and joints

A. W. Fliflet; S. H. Gold; R. P. Fischer; A. K. Kinkead; S. Miserendino; D. Lewis; L. K. Kurihara

doi:10.1109/PPPS.2001.961244

Gyrotron beam heating of ceramic coatings and joints

A. W. Fliflet, S. H. Gold, R. P. Fischer, A. K. Kinkead, S. Miserendino, D. Lewis, L. K. Kurihara

Research output: Contribution to journal › Article › peer-review

Abstract

A focussed Gaussian beam generated by an 83-GHz, 15-kW CW Gycom, Ltd. gyrotron is being applied to the processing of ceramic materials at the Naval Research Laboratory. Available microwave power densities of ≥1 kW/cm2 enable rapid, localized heating of ceramic coatings and joints, provided adequate microwave-material coupling is achieved. This paper describes theoretical and experimental studies of microwave beam coupling to and propagation in multi-component ceramic systems corresponding to joints and coating configurations. Localized coupling enhancement using mixtures of ceramic and metal powders has been investigated. Techniques for minimization of reflection (important in a single-pass beam system) and beam polarization effects will be discussed, as well as the results of experiments designed to enhance heating rates based on these effects.

Original language	English (US)
Pages (from-to)	O4A7
Journal	IEEE International Conference on Plasma Science
DOIs	https://doi.org/10.1109/PPPS.2001.961244
State	Published - 2001
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

Online availability

10.1109/PPPS.2001.961244

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abstract = "A focussed Gaussian beam generated by an 83-GHz, 15-kW CW Gycom, Ltd. gyrotron is being applied to the processing of ceramic materials at the Naval Research Laboratory. Available microwave power densities of ≥1 kW/cm2 enable rapid, localized heating of ceramic coatings and joints, provided adequate microwave-material coupling is achieved. This paper describes theoretical and experimental studies of microwave beam coupling to and propagation in multi-component ceramic systems corresponding to joints and coating configurations. Localized coupling enhancement using mixtures of ceramic and metal powders has been investigated. Techniques for minimization of reflection (important in a single-pass beam system) and beam polarization effects will be discussed, as well as the results of experiments designed to enhance heating rates based on these effects.",

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AU - Fliflet, A. W.

AU - Gold, S. H.

AU - Fischer, R. P.

AU - Kinkead, A. K.

AU - Miserendino, S.

AU - Lewis, D.

AU - Kurihara, L. K.

PY - 2001

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AB - A focussed Gaussian beam generated by an 83-GHz, 15-kW CW Gycom, Ltd. gyrotron is being applied to the processing of ceramic materials at the Naval Research Laboratory. Available microwave power densities of ≥1 kW/cm2 enable rapid, localized heating of ceramic coatings and joints, provided adequate microwave-material coupling is achieved. This paper describes theoretical and experimental studies of microwave beam coupling to and propagation in multi-component ceramic systems corresponding to joints and coating configurations. Localized coupling enhancement using mixtures of ceramic and metal powders has been investigated. Techniques for minimization of reflection (important in a single-pass beam system) and beam polarization effects will be discussed, as well as the results of experiments designed to enhance heating rates based on these effects.

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Gyrotron beam heating of ceramic coatings and joints

Abstract

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