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Investigation of the effect of nanosecond laser pulses processing on the microstructure and fatigue resistance of commercially pure titanium
Kolobov Yu. R.
1, Manokhin S. S.
1, Betekhtin V. I.
2, Kadomtsev A. G.
2, Narykova M. V.
2, Odintsova G. V.
3, Khramov G.V.
4
1Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, Russia
2Ioffe Institute, St. Petersburg, Russia
3ITMO University, St. Petersburg, Russia
4Belgorod National Research University, Belgorod, Russia
2Ioffe Institute, St. Petersburg, Russia
3ITMO University, St. Petersburg, Russia
4Belgorod National Research University, Belgorod, Russia
Email: kolobov@icp.ac.ru, manohin@icp.ac.ru, Vladimir.betekhtin@mail.ioffe.ru, Andrej.Kadomtsev@mail.ioffe.ru, Maria.Narykova@mail.ioffe.ru, gvodintsova@corp.ifmo.ru, khramov@bsu.edu.ru
The effect has been studied of treatment with nanosecond laser pulses on the fatigue resistance of plate samples of recrystallized (grain size of the order of 2-3 μm) commercially pure titanium (grade VT1-0) under cyclic tensile loading. The results of investigations by scanning and transmission electron microscopy of the subsurface layer microstructure of the alloy under study after exposure to nanosecond laser irradiation and subsequent fatigue tests are presented. Keywords: titanium, surface, pulsed nanosecond laser irradiation, shock-wave action, fatigue properties.
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