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An Automatic Magnetic Permeability NDT Measurement Device for Cylinder Ferrimagnetic Sample

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Abstract:

An automatic none destructive apparatus for measuring the magnetic permeability of cylinder ferrimagnetic sample is introduced. Based on Faraday’s law and demagnetizing factor iteration formula, the device consists solenoid, induction coils, Lock-in amplifier 7265 and a computer for controlling the applied magnetic field and permeability calculation. Five high-resistivity iron alloy rod are chosen as samples and typical material permeability is compared with previous work.

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Periodical:

Applied Mechanics and Materials (Volumes 433-435)

Pages:

904-910

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.433-435.904

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Online since:

October 2013

Authors:

San Sheng Wang*, Ming Ji Zhang, Huaan Hou, Qiang Guo

Keywords:

Demagnetizing Factor, Flux Metric, Magnetic Permeability, None Destructive Testing

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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