The invention relates to a miniature eddy current sensor with a structure consisting of a silicon substrate and multilayer coils, and belongs to the field of miniature sensors. The miniature eddy current sensor is used for detecting micro-cracks on surfaces of metal components, is based on the ...
A combined generator with built-in eddy-current magnetic resistance including a rotor and a stator iron core with generating coils winding therearound. The rotor consists of an outward turning type inertia flywheel and permanent magnets... L Lin - US 被引量: 91发表: 2009年 Multilayer planar re...
An analytical model of an E-core driverpickup coils probe located above a multilayer conductor containing a hidden cylindrical conductor is presented. The ... S Zhang - 《Applied Computational Electromagnetics Society Journal》 被引量: 0发表: 2023年 Quantitative Research on Cracks in Pipe Based on...
An analytical model of an E-core driverpickup coils probe located above a multilayer conductor containing a hidden cylindrical conductor is presented. The truncated region eigenfunction expansion (TREE) method is used to deal with the axial symmetry problem, and the close...
A giant magnetoresistive flux focusing eddy current device effectively detects deep flaws in thick multilayer conductive materials. The probe uses an excitation coil to induce eddy currents in conducting material perpendicularly oriented... RA Wincheski,M Namkung,JW Simpson - US 被引量: 37发表: 200...
In both cases, the eddy currents are... CV Dodd,WE Deeds - 《J.appl.phys》 被引量: 1186发表: 1968年 Enhanced wireless eddy current probe for a non-destructive inspection system An enhanced wireless eddy current probe is disclosed which has means to wirelessly couple to a non-destructive ...
angular orientation of the second coil, which does not coincide with the angular orientation of the first coil, and fixing mutual position of first and second coils at angular orientation obtained for them.;EFFECT: high accuracy of detecting defects in multilayer carbonaceous objects.;1 cl, 11 ...
摘要: PROBLEM TO BE SOLVED: To provide an eddy flaw detecting apparatus capable of detecting a flaw in an object of flaw detection even of a large lift-off provided with a nonconductive coating without the need for a bridge to be connecting to a detecting coil....
Due to the heterogeneous nature and electric anisotropy, it is challenging to establish a numerical model to analyze the electromagnetic properties of multilayer carbon fiber-reinforced polymer (CFRP) laminate. In this study, we focus on the exploration of an effective electromagnetic modeling approach ...
THESE eddy currents are detected DETECTOR COIL DEFECTS AND STRUCTURAL ANALYZE AND TRAINING IN THE upper surface of the multilayer structure. EXCITE COIL AFTER THE CENTRAL NUCLEUS a second frequency signal lower than the first signal. SIGNAL INTRODUCED AS eddy currents in deeper layers of the ...