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Rod Shape Testing by High Frequency Eddy Current - Passive Impedance Measurement

  • For the rod shape measurement of hot rolled round steel bars (rods) the high frequency eddy current method is especially well suited as it requires no contact point and is not limited to below the Curie temperature. Defects of the rod's shape can be detected by measuring the impedance spectrum of the RLC-oscillator. In the first laboratory setup an Agilent impedance analyser was used for initial tests. Nevertheless, this setup cannot be applied in a steel plant due to the difficult environmental conditions. Hence, a vector network analyser for passive impedance measurement that is applicable in these surroundings was developed.

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Author:Jens Weidenmüller, Jörg Himmel, Olfa Kanoun, Christian Sehestedt
Parent Title (German):6th International Multi-Conference on Systems, Signals and Devices
Place of publication:Chemnitz
Document Type:Conference Proceeding
Year of Completion:2009
Creating Corporation:IEEE
Contributing Corporation:Technische Universität Chemnitz
Release Date:2019/04/16
Page Number:5
Institutes:Fachbereich 1 - Institut Informatik
DDC class:000 Allgemeines, Informatik, Informationswissenschaft / 000 Allgemeines, Wissenschaft
000 Allgemeines, Informatik, Informationswissenschaft / 004 Informatik
Licence (German):License LogoNo Creative Commons