SOME ASPECTS OF ACOUSTIC EMISSION AT MACHINING COMPOSITE MATERIALS

S. F. Filonenko, A. P. Stakhova

Abstract


The processing of outcomes acoustic emission signals simulation is conducted at ascending composite machining speed and cutting depth, change of treated composite physical-mechanical characteristics with definition the ratio of acoustic emission signal amplitude average level to acoustic emission signal amplitude average level standard deviation. Are determined the regularity of dimensionless coefficient change, which characterizes the ratio of acoustic emission signal amplitude average level to its standard deviation at change of the influential factors. The processing of experimental acoustic emission signals is conducted at composite machining speed ascending and ascending cutting depth with definition the regularity of dimensionless coefficient change, which characterizes the ratio of acoustic emission signal amplitude average level to its standard. It is shown that the theoretical and experimental regularity of investigated coefficient value change at ascending machining speed and cutting depths will be agreed one another.

Keywords


Acoustic emission; composite material; signal; amplitude; statistical parameters; machining

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