Portable Embedded System for Contactless Measurement of Material Conductivity |
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| Nuno Rodrigues, Luís Rosado, Pedro M. Ramos |
- Abstract:
- Non-Destructive Testing (NDT) of metallic materials such as aluminium is a growing area that requires novel sensing solutions. From the several NDT methods, eddy currents testing is the preferred to inspect metallic parts and welding joints searching for flaws and other material discontinuities. Eddy currents sensors are devices capable of contactless assessment with high-resolution measurements of any conductive target. High resolution and tolerance in dirty environments make eddy currents sensors indispensable in modern industrial operations. One of the uses of eddy currents sensors is to measure electrical conductivity. The value of the electrical conductivity of a metal depends on its chemical composition and crystalline structure. This work presents the development, implementation and characterization of a compact embedded system for contactless metal conductivity measurements.
- Keywords:
- Non-Destructive Test, Eddy Current Evaluation, Conductivity Gauge, Heterodyning, Digital Signal Processing.
- Download:
- IMEKO-TC4-2016-20.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC4
- Event name:
- TC4 Symposium 2016
- Title:
21st IMEKO TC4 Symposium on Measurements of Electrical Quantities (together with 19th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC)
"Understanding the World through Electrical and Electronic Measurement"- Place:
- Budapest, HUNGARY
- Time:
- 07 September 2016 - 09 September 2016