Applications of microwaves in non-destructive testing
Paper
Paper/Presentation Title | Applications of microwaves in non-destructive testing |
---|---|
Presentation Type | Paper |
Authors | Ku, H. S. (Author), Siu, F. (Author), Siores, E. (Author) and Ball, J. A. R. (Author) |
Journal or Proceedings Title | Non-Destructive Testing - Australia |
Journal Citation | 38 (5), pp. 129-132 |
Number of Pages | 4 |
Year | 2001 |
Place of Publication | Melbourne, Australia |
Conference/Event | 10th Asia Pacific Conference on Non-Destructive Testing (2001) |
Event Details | 10th Asia Pacific Conference on Non-Destructive Testing (2001) Event Date 17 to end of 21 Sep 2001 Event Location Brisbane, Australia |
Abstract | This paper describes a new area of application of microwave energy in non-destructive testing (NDT), in which the quality of adhesively bonded products can be detected by the intrinsic spectrum signals generated by a variable frequency microwave (VFM) source. When microwave energy is launched into a metallic cavity, which is partially or fully loaded with a material, the electromagnetic energy reflects backward and forward between the cavity walls and travels through the material many times until a final standing wave condition is established. Materials property variables like internal or surface defects, dielectric properties, physical geometry and, physical and chemical properties can contribute to its unique signal output characteristics. The reflected and input signals form a ratio, percentage of reflectance, which can be monitored and |
Keywords | variable frequency microwaves; vfm; reflective spectrum; microwave-assisted non-destructive evaluation; adhesives |
ANZSRC Field of Research 2020 | 400505. Construction materials |
401409. Manufacturing safety and quality | |
401602. Composite and hybrid materials | |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Department of Mechanical and Mechatronic Engineering |
Swinburne University of Technology | |
Department of Electrical, Electronic and Computer Engineering | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q048y/applications-of-microwaves-in-non-destructive-testing
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