A Dual-Function Inductive Sensor for Imaging Steel, Corrosion Products and Graphite Based Materials
Journal Article
·
· AIP Conference Proceedings
- Department of Instrumentation and Analytical Science, UMIST, PO Box 88, Manchester M60 1QD (United Kingdom)
An inductive sensor is described that combines both Q-detection and heterodyne technology. By exploiting the change in amplitude and frequency of the received signals, it may be used for imaging steel reinforcement bars, surface corrosion and, generally, materials with different permeability and conductivity ratios. Real time digital signal processing is used to improve the signal to noise ratio of the sensor and to provide a feedback stabilization mechanism for the reduction of long-term drift.
- OSTI ID:
- 20655352
- Journal Information:
- AIP Conference Proceedings, Vol. 760, Issue 1; Conference: Conference on review of progress in quantitative nondestructive evaluation, Golden, CO (United States), 25-30 Jul 2004; Other Information: DOI: 10.1063/1.1916860; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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