NONLINEAR DYNAMICS AND ACOUSTIC SIGNALS GENERATED BY PERIODIC IMPACTS OF CORUNDUM PROBE ON THE SOLID SURFACE


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Рехвиашвили С. Ш., Нарожнов В. В. NONLINEAR DYNAMICS AND ACOUSTIC SIGNALS GENERATED BY PERIODIC IMPACTS OF CORUNDUM PROBE ON THE SOLID SURFACE. Izvestiya VUZ. Applied Nonlinear Dynamics, 2013, vol. 21, iss. 6, pp. 49-57. DOI: https://doi.org/10.18500/0869-6632-2013-21-6-49-57


Experimental and theoretical study of nonlinear dynamics and acoustic signals generated by periodic impacts of corundum probe on the solid surface are conducted. In the work two models are considered for the description of experiments: the analytical model based on the laws of conservation of energy and momentum; the model based on the numerical solution of the nonlinear equation of probe motion. It is shown that the acoustic signal amplitude increases in direct proportion to the oscillations probe amplitude. These results can be the basis of a new diagnostic techniques viscoelastic properties of metals and alloys.

DOI: 
10.18500/0869-6632-2013-21-6-49-57
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BibTeX

@article{Рехвиашвили -IzvVUZ_AND-21-6-49,
author = {Серго Шотович Рехвиашвили and Виктор Валерьевич Нарожнов },
title = {NONLINEAR DYNAMICS AND ACOUSTIC SIGNALS GENERATED BY PERIODIC IMPACTS OF CORUNDUM PROBE ON THE SOLID SURFACE},
year = {2013},
journal = {Izvestiya VUZ. Applied Nonlinear Dynamics},
volume = {21},number = {6},
url = {https://old-andjournal.sgu.ru/en/articles/nonlinear-dynamics-and-acoustic-signals-generated-by-periodic-impacts-of-corundum-probe-on},
address = {Саратов},
language = {russian},
doi = {10.18500/0869-6632-2013-21-6-49-57},pages = {49--57},issn = {0869-6632},
keywords = {nonlinear dynamics,elasticity theory,probe methods,the acoustic signals,numerical solution of differential equations.},
abstract = {Experimental and theoretical study of nonlinear dynamics and acoustic signals generated by periodic impacts of corundum probe on the solid surface are conducted. In the work two models are considered for the description of experiments: the analytical model based on the laws of conservation of energy and momentum; the model based on the numerical solution of the nonlinear equation of probe motion. It is shown that the acoustic signal amplitude increases in direct proportion to the oscillations probe amplitude. These results can be the basis of a new diagnostic techniques viscoelastic properties of metals and alloys. }}