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Authors
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2018/2
Study of acoustic emisiion signals, generated by corrodible carbon steel
Technical sciences

Authors: Daniel A. ALEKSEEV completed Master Degree Program of Gubkin Russian State University of Oil and Gas (National Research University) in 2017. He is engineer of the Department of Physical Metallurgy and Non-metallic Materials.
E-mail: fim@gubkin.ru
Marina L. MEDVEDEVA graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1973. She has been working as professor of the Department of Physical Metallurgy and Non-metallic Materials of Gubkin Russian State University of Oil and Gas (National Research University) since 2008. She is specialist in the field of materials scien- ce, electrochemistry and corrosion protection of oil and gas equipment. She is author of 10 textbooks (2 in the English language) and more than 70 scientific papers.
E-mail: fim@gubkin.ru
Alexander K. PRYGAEV graduated from the Moscow Institute of Petrochemical and Gas Industry by Gubkin in 1971. He has been Head of the Department of Physical Metallurgy and Non-metallic Materials since 2001 and Dean of the Faculty of Mechanical Engineering since 1995 of Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in the field of materials science, welding of oil and gas equipment. He is author of more than 60 scientific works and a number of textbooks.
E-mail: fim@gubkin.ru

Abstract: The results of research conducted to determine the possibility of application of acoustic-emissive method for the exposure of corrosion of carbon steel are pre-sented. The developed methodology allowed steady separation of acoustic sig-nals, characteristic for dissolution of metal, from those characteristic for the selection of hydrogen. It is determined that basic identification parameter of the signals characteristic for dissolution of metal is their frequency of the basic maximum of energy equal to 50 khz. The results can be used to improve the systems of acoustic-emissive corrosive monitoring

Index UDK: 620.193:620.179.17

Keywords: acoustic-emissive method, corrosion, monitoring, dissolution of metal, oil and gas industry

Bibliography:
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2. Medvedeva M.L., Prygaev A.K., Markov E.A., Popkov Yu.S., Chernykh M.V. Study of the possibilities of acoustic emission control in relation to problems of corrosion monitoring of equipment for primary oil refineries. C.I. Registration of general corrosion. Corrosion: materials, protection, 2012, no. 12, pp. 36–41 (in Russian).
3. Medvedeva M.L., Ratanova M.D. Identifying main source of acoustic emission under general corrosion of carbon steel. Proceedings of the Gubkin Russian State University of Oil and Gas, 2014, no. 2, p. 94–102 (in Russian).
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7. Adrian A. Pollock. Acoustic Emission Capabilities and Applications in Monitoring Corrosion. Nondestructive Testing and Electrochemical Methods, 1986, p. 30–41.