The detection of air disbond in layered dielectric composite, which is an important practical issue in many industries, is studied both theoretically and experimentally. Sensitivity of disbond detection depends on certain parameters, like the frequency of operation, the distance between the sensor and the first dielectric layer, and the layered composite geometry (conductor backed or terminated by an infinite half-space of air). The impact of all these parameters is investigated theoretically and then verified experimentally.

Meeting Name

Conference on Precision Electromagnetic Measurements, 1994


Electrical and Computer Engineering

Keywords and Phrases

Aerospace Industry; Air Disbond; Composite Materials; Construction Industry; Detection Optimization; Dielectric Layer; Dielectric Measurement; Dielectric Thin Films; Electric Sensing Devices; Fault Location; Frequency of Operation; Industrial Measurements; Infinite Half-Space; Layered Composite Geometry; Layered Composites; Layered Dielectric Composite; Microwave Measurement; Microwave Reflectometry; Nondestructive Testing; Open-Ended Rectangular Waveguide; Optimisation; Rectangular Waveguides; Rubber Industry; Sensitivity

Document Type

Article - Conference proceedings

Document Version

Final Version

File Type





© 1994 Institute of Electrical and Electronics Engineers (IEEE), All rights reserved.

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