Effect of Conformable Substrate Thickness on an Eddy Current Sensor Array’s Output Characteristics

Jin Qiang Du; Yu Ting He; Hua Ding; Hai Wei Zhang; Li Ming Wu

doi:10.4028/www.scientific.net/AMR.335-336.1503

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 335-336Effect of Conformable Substrate Thickness on an...

Effect of Conformable Substrate Thickness on an Eddy Current Sensor Array’s Output Characteristics

Abstract:

A finite element model of an eddy current sensor array is built up by electromagnetic-circuit couple method, and the influences of conformable substrate thickness on sensor’s output characteristics are analyzed by the model. It is shown that the amplitude of sensing coils’ output would diminish as substrate thickness increased, besides, the discrepancies of sensing coils’ output also decrease when the substrate becoming thicker. Therefore tt is necessary to make the conformable substrate as thin as possible in sensor fabrication process to enhance the crack inspecting ability of the sensor.

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Periodical:

Advanced Materials Research (Volumes 335-336)

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1503-1507

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https://doi.org/10.4028/www.scientific.net/AMR.335-336.1503

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Online since:

September 2011

Authors:

Jin Qiang Du, Yu Ting He, Hua Ding, Hai Wei Zhang, Li Ming Wu

Keywords:

Conformable Substrate Thickness, Eddy Current Array, Finite Element, Sensor

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