UNCONVENTIONALLY HIGH AND LOW FREQUENCY EDDY CURRENT METHODS FOR MATERIAL SURFACE CHARACTERIZATIONS | Zendy

N. Nakagawa | Zendy; C. C. H. Lo | Zendy; Donald O. Thompson | Zendy; Dale E. Chimenti | Zendy

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UNCONVENTIONALLY HIGH AND LOW FREQUENCY EDDY CURRENT METHODS FOR MATERIAL SURFACE CHARACTERIZATIONS

Author(s) -

N. Nakagawa,

C. C. H. Lo,

Donald O. Thompson,

Dale E. Chimenti

Publication year - 2010

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.3362242

Subject(s) - icon , citation , computer science , information retrieval , world wide web , download , filter (signal processing) , publishing , computer graphics (images) , art , computer vision , literature , programming language

This paper reports on a type of multiple frequency eddy current NDE methodologies. A specific focus was placed on a multiple low frequency methodology that is suitable for case depth characterization of case‐hardened steel samples. A nominally uniform excitation field approach has been developed, and demonstrated to work for discriminating the case depths ranging between 1 mm and 6 mm, while meeting additional requirements of one‐sided access and a finite stand‐off distance.

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