Abstract

The approaches to the implementation of the mirror through transmission electromagnetic-acoustic (EMA) testing technique on multiple reflections are introduced. Operating principles of through-type EMA transducers and the special-purpose installation realizing the mirror through transmission EMA testing technique on multiple reflections are described. The modeling results of electrodynamic mechanism of interaction between the through type EMA transducers are presented and used for the efficiency increase and the improvement of dimensional characteristics. The special model, with the use of which the formation principles of through-type EMA transducer acoustic fields in cylindrical objects were investigated, is developed. The additional informative parameters based on the correlation, spectral and probability and statistic analyses of the multiple reflections oscillograms are suggested. The results of structural analysis and investigation of acoustoelasticity with the use of the mirror through transmission EMA technique on the multiple reflections are presented.

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