10.14489/td.2024.02.pp.004-014

2024, 02 February

DOI: 10.14489/td.2024.02.pp.004-014

Stepanova L. N., Kabanov S. I., Ramazanov I. S., Chernova V. V.
TESTING OF D16T DURALUMIN SAMPLES UNDER STATIC LOADING USING THE ACOUSTIC EMISSION METHOD
(pp. 4-14)

Abstract. Tests of samples made of D16T duralumin were carried out under static loading until failure under normal conditions, at positive and negative temperatures. Information was recorded using the acoustic emission method. In this case, a stable location of signals from defects corresponding to the beginning of sample destruction was observed. It was shown that at a low temperature of –50 ^oС the number of recorded signals increased, but the energy of the high-frequency component of the AE signals decreased, and the maximum energy was in the frequency band 550…600 kHz. At a temperature of +80 ^oC, the number of recorded signals decreased. Wavelet scalograms were constructed at various temperatures and loads. The sensitivity of the main informative parameters of acoustic emission signals, which made it possible to determine the onset of destruction of the sample material, was analyzed.

Keywords: samples, duralumin, acoustic emission, piezoelectric transducer, location, wavelet scalogram, defect.

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L. N. Stepanova, S. I. Kabanov, I. S. Ramazanov (Siberian Research Institute of Aviation named after. S. A. Chaplygina, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
V. V. Chernova (Siberian State Transport University, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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