DOI 10.17586/0021-3454-2017-60-6-572-577
UDC 620.172.2: 620.179.17
DEVICE FOR STUDIES ON ACOUSTIC-ELASTIC CHARACTERISTICS OF THIN WIRES
Kalashnikov Izhevsk State Technical University, Department of Quality Control Instruments and Techniques; Professor, Head of the Department
D. V. Zlobin
Kalashnikov Izhevsk State Technical University, Department of Quality Control Instruments and Techniques; Associate Professor
A. V. Platunov
Kalashnikov Izhevsk State Technical University, Examination Center for Non-destructive Testing;
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Abstract. Results of development of an instrument and non-contact electromagnetic acoustic transducers providing high-accurate measurement of speed and amplitudes of core waves in thin wires are presented. The advantages of the model is reported to be the possibility of quick adjustment of gain, center frequency, amplitude-frequency characteristic, and the quality factor in a wide range that is necessary in the study of signals using pilot converters.
Keywords: electromagnetic acoustic transducers, core wave, steel wires
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