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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2022, Volume 63, Issue 2, Pages 182–191
DOI: https://doi.org/10.15372/PMTF20220217 (Mi pmtf41) 		 
This article is cited in 3 scientific papers (total in 3 papers)

Influence of laser shock hardening on low- and high-cycle fatigue of a ÎÒ4-0 titanium alloy

E. A. Gachegovaa, R. Sikhamovb, F. Fentskeb, N. Kashaevb, O. A. Plekhova

a Institute of Continuous Media Mechanics, Perm, 614013, Russia
b Institute of Mechanics of Materials of the Helmholtz Center in Gestacht, Gestacht, 21502, Germany
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DOI: https://doi.org/10.15372/PMTF20220217
Abstract: Effect of laser shock hardening on the fatigue life of an OT4-0 titanium alloy is studied. Laser hardening is carried out using a fractionally modulated Nd:YAG laser operating at a pulse repetition rate of 10 Hz. It is suggested by the analysis of the effect of various laser treatment parameters on the magnitude and distribution of residual stresses over the sample thickness that an optimal type of laser shock treatment makes it possible to create a compressive residual stress region whose depth reaches up to 1 mm and whose maximum value is 600 MPa. It is shown by the results of studying the fracture surface structure that the fatigue fracture mechanism changes, while the service life of specimens significantly increases during both low- and high-cycle fatigue after laser shock hardening.
Keywords: laser shock hardening, OT4-0 titanium alloy, residual stresses, fatigue life.
Funding agency Grant number
Russian Foundation for Basic Research 20-48-596005
Received: 24.03.2021
Revised: 26.03.2021
Accepted: 26.04.2021
English version:
Journal of Applied Mechanics and Technical Physics, 2022, Volume 63, Issue 2, Pages 335–342
DOI: https://doi.org/10.1134/S0021894422020171
Bibliographic databases:
Document Type: Article
UDC: 621.7
Language: Russian
Citation: E. A. Gachegova, R. Sikhamov, F. Fentske, N. Kashaev, O. A. Plekhov, “Influence of laser shock hardening on low- and high-cycle fatigue of a ÎÒ4-0 titanium alloy”, Prikl. Mekh. Tekh. Fiz., 63:2 (2022), 182–191; J. Appl. Mech. Tech. Phys., 63:2 (2022), 335–342
Citation in format AMSBIB
\Bibitem{GacSikFen22}
\by E.~A.~Gachegova, R.~Sikhamov, F.~Fentske, N.~Kashaev, O.~A.~Plekhov
\paper Influence of laser shock hardening on low- and high-cycle fatigue of a ÎÒ4-0 titanium alloy
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2022
\vol 63
\issue 2
\pages 182--191
\mathnet{http://mi.mathnet.ru/pmtf41}
\crossref{https://doi.org/10.15372/PMTF20220217}
\elib{https://elibrary.ru/item.asp?id=48408477}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2022
\vol 63
\issue 2
\pages 335--342
\crossref{https://doi.org/10.1134/S0021894422020171}
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    • This publication is cited in the following 3 articles:
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