Abstract
The process of sound generation in a sliding friction contact in the absence of lubricants has been studied simultaneously with measurements of the friction coefficient. A correlation between the sound intensity, the spectrum of sound generated in the tribological system, and the friction coefficient is established. It is shown that not only do the tribological properties of contacting materials influence the characteristics of the acoustic signal, but the reverse influence may take place as well: the elimination of elastic oscillations accompanied by sound generation in the junction leads to a decrease in the friction coefficient.
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