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Recent developments in eddy current testing

 
: Betzold, K.; Dobmann, G.; Höller, P.

Review of Progress in Quantitative Nondestructive Evaluation. 4A
1985 (Review of Progress in Quantitative Nondestructive Evaluation 4A)
S.387-400
Annual Review of Progress in Quantitative Nondestructive Evaluation <11, 1984, San Diego/Calif.>
Englisch
Konferenzbeitrag
Fraunhofer IZFP ()
2d FE software; 3d FE software; eddy current inspection; magnetic tape signal pick up; modelly; pick-up coil

Abstract
From the point of material fatigue and corrosion the objective and quantitative ispection of surfaces and near-surface zones in metallic components by NDT methods are of interest. Eddy-current methods in particular are suitable to solve this inspection problem. In the last years the electric current perturbation was investigated with the special case of yoke magnetization and signal pick-up by magnetic tapes. Finite element codes were applied to bring better interpretation in eddy-current testing i.e. for the modeling of special interpretation problems in steam generator tube inspection.

: http://publica.fraunhofer.de/dokumente/PX-31159.html