Analysis of a fork-shaped rectangular coil facing moving sheet conductors |
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Authors: | Itaya T Ishida K Tanaka A Takehira N |
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Affiliation: | Suzuka Nat. Coll. of Technol., Suzuka, Japan; |
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Abstract: | The electromagnetic induction method utilising eddy current plays an important role in a non-destructive material test. In testing slab-type material by electromotive force method, there is the fork-shaped coil method, which has two coils placed on both sides of the test piece. In most studies, circular coils have been analysed. However, it has been pointed out quantitatively that a rectangular coil is more useful than a circular coil for a non-destructive test. The authors derive a rigid theoretical formula with a test theory experiment. |
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