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FIELD: transport. SUBSTANCE: two electro acoustic transducers are mounted at rail rolling surface. Said transducers are directed to opposite rail heat inner surfaces to probe rail head. For this,… (More)
FIELD: physics, measurement equipment. SUBSTANCE: for ultrasonic detection of cracks on the operating railhead fillet. The invention includes installation of two electroacoustic transducers on the… (More)
FIELD: defectoscopy. SUBSTANCE: invention relates to the field of the railway rails ultrasonic non-destructive testing. Method consists in mounting of three inclined electroacoustic transducers on… (More)
The invention relates to apparatus for calibrating or comparison of piezoelectric transducers (PEP) and can be used in the manufacture and operation of two-beam probe used, in particular, when… (More)