A model of acoustic emission signal formation at the prevailing mechanism of the destruction of composite materials is considered. The results of acoustic emission signal modelling are presented, taking into account the variable velocity of loading change. Acoustic emission signal experimental research results corresponding to theoretical research results are considered in this paper. It is shown that irregularity of the trailing edge of the acoustic emission signal is influenced by the change in the rate of the destruction process in composites. Santrauka Išnagrinetas akustines emisijos signalo modelis su vyraujančiu kompozitiniu medžiagu irimo mechanizmu. Pateikti akustines emisijos signalu modeliavimo rezultatai, ivertinant skirtinga apkrovos pasikeitimo greiti. Taip pat pateikti eksperimentinio akustines emisijos signalu tyrimo rezultatai, kurie sutampa su teoriniais tyrimais. Parodyta, kad akustines emisijos signalo galinio fronto netolygumas atsiranda tuomet, kai kinta kompozitines medžiagos irimo greitis. First Publish Online: 10 Feb 2011 Reikšminiai žodžiai: akustines emisija, stresas, plyšys, vystymasis, apkrova, akustines emisijos signalas, itrūkimas, kompozitine medžiaga, pluošto paketo modelis
Model of acoustic emission signal at the prevailing mechanism of composite material mechanical destruction
2010
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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