Results 201 to 210 of about 15,604 (261)

Research on Microstructure and Properties of Ultrasonic Welded Large-Diameter Aluminum Wire/Cu (Ni-Plated Copper) Terminal Joints. [PDF]

Materials (Basel)
Bu Y, Zhao Y, Zhao S, Ni Y, Yan L.
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Reducing noise levels in eddy current measurements using self-differential probes of the substrate conductivity under a layer of conductive coating in moved objects. [PDF]

Sci Rep
Halchenko VY, Trembovetska R, Tychkov V.
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A novel rapid non-contact detection method for frozen and thawed foods : Based on bio-impedance spectroscopy analysis and neural network (FCNN) recognition model. [PDF]

Curr Res Food Sci
Xu D, Wen Q, Xie Y, Yin W, Tang J.
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An Analysis Of Eddy Current Testing With Sheet Current

[1993] Digests of International Magnetics Conference, 1993
The eddy current problem of recognizing a crack on the edge of a rivet hole is analyzed numerically by using the current vector potential method. The vertical field is induced by the disturbance of the sheet eddy current on a thin plate. The vertical field is evaluated for a visualization technique with magnetooptics.
M. Tsuchimoto, A. Fukaya, T. Honma
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Optimized complex signals for Eddy Current Testing

2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings, 2014
The choice of optimized excitation devices and strategies is now interesting recent studies about Non Destructive Eddy Current Testing (ND-ECT). Recently, the attention has been paid to the use of complex excitation signals, meant as signals different from the sinusoidal ones and with wide frequency content. In particular, some studies have highlighted
Giovanni Betta, Luigi Ferrigno, Marco Laracca, Pietro Burrascano, Marco Ricci 0001   +4 more
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Nondestructive Eddy Current Testing

IEEE Transactions on Instrumentation and Measurement, 1972
When a coil is placed in proximity to a conductor, the magnetic field in the vicinity of the coil is altered by eddy currents in the conductor. The conductivity of a sample material may be determined by measuring the field. Closed-form solutions are presented for the magnetic field at the surface of a semi-infinite conductor for two cases: a semi ...
Alan L. Jones, Karl F. Pezdirtz
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Eddy Current Testing

Aircraft Engineering and Aerospace Technology, 1986
Eddy current testing is a general term for the inspection of conductive materials using an induced electro‐magnetic field. The flow of this field is affected by the presence of defects within the material and the charges are detected by suitable instruments which reveal their location and nature.
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Polyphase eddy current testing

Journal of Applied Physics, 1994
Polyphase eddy current testing is proposed. The operating principle of this system is as follows. The polyphase eddy current testing system may be regarded as one of the polyphase transformers. Primary balanced polyphase coils are star connected and secondary polyphase circuits are composed of the target.
I. Marinova, S. Hayano, N. Ishida, Y. Saito, Y. Hirama, M. Yamamoto   +5 more
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The Pulsed Eddy Current Testing

2016
As one kind of eddy current testing technology, the pulsed eddy current testing technology is based on the principle of electromagnetic induction and is used to detect the defects in conductive materials. The principle of pulsed eddy current testing is basically the same as that of traditional eddy current testing, and differences are the means of ...
Songling Huang, Shen Wang
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Massively Multiplexed Eddy Current Testing and its Comparison with Pulsed Eddy Current Testing

AIP Conference Proceedings, 2004
This compares the capabilities of the Pulsed Eddy Current technique with those of an Eddy Current instrument capable of multiplexing through 32 discrete frequencies. Pulsed Eddy Current testing has shown some definite advantages due to the application of an extended series of frequencies to a test piece and analysis using a time‐based display. The Eddy
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