The effect of external stresses on the behavior of photoacoustic signals inside vickers indenter marks on a steel surface


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Resumo

It is experimentally established that the characteristics of photoacoustic signals inside Vickers indenter marks in metals significantly change under the action of external stresses. Relative changes in the signal amplitude are estimated in the framework of a quasi-static approximation based on the temperature dependence of the elastic modulus of the metal.

Sobre autores

A. Glazov

Ioffe Physical Technical Institute; Institute of Problems of Mechanical Engineering

Email: klm.holo@mail.ioffe.ru
Rússia, St. Petersburg, 194021; St. Petersburg, 199178

N. Morozov

Institute of Problems of Mechanical Engineering; St. Petersburg State University

Email: klm.holo@mail.ioffe.ru
Rússia, St. Petersburg, 199178; St. Petersburg, 199034

K. Muratikov

Ioffe Physical Technical Institute; Institute of Problems of Mechanical Engineering

Autor responsável pela correspondência
Email: klm.holo@mail.ioffe.ru
Rússia, St. Petersburg, 194021; St. Petersburg, 199178


Declaração de direitos autorais © Pleiades Publishing, Ltd., 2016

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