Experimental investigation of process of fracture of steel 40X13T in mode of gigacycle fatigue
https://doi.org/10.31242/2618-9712-2018-26-4-125-132
Abstract
The work is devoted to study of the process of fatigue fracture in samples of heat-treated struc- tural steel 40X13 under gigacycle regime. The gigacycle tests were carried out on an ultrasound resonant machine with a loading frequency of 20 kHz. As part of the work, in order to avoid an effect of overheating of the sample under the influence of high-frequency load, a system to maintain the temperature of the sample during the test was developed. Features of evolution of fracture under the influence of an alternating magnet- ic field on the sample by means of the original magnetization system of the sample are considered. The struc- tural analysis of the tested samples by electron scanning microscopy was carried out. The analysis shows the effect of the alternating magnetic field on the size of zones of slow crack growth. It is shown that in the sam- ples tested under the action of the alternating magnetic field the area of the zone of slow crack growth is re- duced in comparison with the samples tested under normal conditions.
Supporting agencies: This work was carried out with the support of the Program of Fundamental Research of the Ural Branch of the Russian Academy of Sciences, project No. 18-9-1-31
About the Authors
Aleksander Evgenievich Prokhorov
Institute of Continuous Media Mechanics of the Ural Branch of the RAS (UB RAS)
Russian Federation
Russian Federation
PROKHOROV Aleksander Evgenievich, Junior Researcher, Institute of Continuous Media Mechanics of the Ural Branch of the RAS (UB RAS), 1 Akademik Korolev St., Perm, 614013, Russia, http://orcid.org/0000-0002-6511-2105, prokhorov.a@icmm.ru;
Oleg Anatolievich Plekhov
Institute of Continuous Media Mechanics UB RAS
Russian Federation
Russian Federation
PLEKHOV Oleg Anatolievich, Doctor of Physical and Mathematical Sciences, Professor of RAS, Deputy Director, Insti- tute of Continuous Media Mechanics UB RAS, 1 Akademik Korolev St., Perm, 614013, Russia, http://orcid.org/0000-0002-0378-8249, poa@icmm.ru.
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Review
For citations:
Prokhorov A.E., Plekhov O.A. Experimental investigation of process of fracture of steel 40X13T in mode of gigacycle fatigue. Arctic and Subarctic Natural Resources. 2018;23(4):125-132. (In Russ.) https://doi.org/10.31242/2618-9712-2018-26-4-125-132
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