Time-frequency analysis of acoustic signals in the audio-frequency range generated during Hadfield's steel friction

Abstract

Time-frequency analysis of sound waves detected by a microphone during the friction of Hadfield's steel has been performed using wavelet transform and window Fourier transform methods. This approach reveals a relationship between the appearance of quasi-periodic intensity outbursts in the acoustic response signals and the processes responsible for the formation of wear products. It is shown that the time-frequency analysis of acoustic emission in a tribosystem can be applied, along with traditional approaches, to studying features in the wear and friction process.

Original language	English
Pages (from-to)	606-609
Number of pages	4
Journal	Technical Physics Letters
Volume	36
Issue number	7
DOIs	https://doi.org/10.1134/S1063785010070072
Publication status	Published - 15 Sep 2010

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "Time-frequency analysis of sound waves detected by a microphone during the friction of Hadfield's steel has been performed using wavelet transform and window Fourier transform methods. This approach reveals a relationship between the appearance of quasi-periodic intensity outbursts in the acoustic response signals and the processes responsible for the formation of wear products. It is shown that the time-frequency analysis of acoustic emission in a tribosystem can be applied, along with traditional approaches, to studying features in the wear and friction process.",

author = "Dobrynin, {S. A.} and Kolubaev, {E. A.} and Smolin, {A. Yu} and Dmitriev, {A. I.} and Psakhie, {S. G.}",

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AU - Dobrynin, S. A.

AU - Kolubaev, E. A.

AU - Smolin, A. Yu

AU - Dmitriev, A. I.

AU - Psakhie, S. G.

PY - 2010/9/15

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AB - Time-frequency analysis of sound waves detected by a microphone during the friction of Hadfield's steel has been performed using wavelet transform and window Fourier transform methods. This approach reveals a relationship between the appearance of quasi-periodic intensity outbursts in the acoustic response signals and the processes responsible for the formation of wear products. It is shown that the time-frequency analysis of acoustic emission in a tribosystem can be applied, along with traditional approaches, to studying features in the wear and friction process.

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Time-frequency analysis of acoustic signals in the audio-frequency range generated during Hadfield's steel friction

Abstract

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