Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Olga Perevalova"'
Autor:
Virginia de la Cruz Lichet
Publikováno v:
Critique d’art.
Autor:
Alexey Panin, Andrey Dmitriev, Anton Nikonov, Olga Perevalova, Lyudmila Kazantseva, Alexander Bakulin, Svetlana Kulkova
Publikováno v:
Metals, Vol 12, Iss 5, p 732 (2022)
Experimental and theoretical studies enabled the reveal of patterns of the microstructure formation in the surface layer of Ti-6Al-4V titanium alloy subjected to ultrasonic impact treatment. The mixed amorphous and nanocrystalline structure of the 20
Externí odkaz:
https://doaj.org/article/77ff7ff6065b4bea9dee11b273be20d0
Autor:
Alexey Panin, Sergey Martynov, Marina Kazachenok, Lyudmila Kazantseva, Alexander Bakulin, Svetlana Kulkova, Olga Perevalova, Elena Sklyarova
Publikováno v:
Metals, Vol 11, Iss 11, p 1742 (2021)
The inferior mechanical properties of EBAM Ti-6Al-4V samples are due to the coarse columnar grains containing coarse lamellar structures. One can expect that water cooling of the build platform will increase the cooling rate of the molten pool during
Externí odkaz:
https://doaj.org/article/c68a1958fc444f4e98bfe3ca24613f1f
Autor:
Alexey Panin, Andrey Dmitriev, Anton Nikonov, Marina Kazachenok, Olga Perevalova, Elena Sklyarova
Publikováno v:
Metals, Vol 11, Iss 4, p 562 (2021)
Experimental and theoretical studies helped to reveal patterns of surface roughening and the microstructure refinement in the surface layer of commercial pure titanium during ultrasonic impact treatment. Applying transmission electron microscopy tech
Externí odkaz:
https://doaj.org/article/ca088d7252554e39ae5921a74405af5e
Publikováno v:
Metals, Vol 10, Iss 12, p 1591 (2020)
To improve the strength properties, adhesion, and the thermal cycling resistance of ceramic coatings, the titanium alloy surface was modified with copper ions under different processing times. It is found that at the maximum processing time, the thic
Externí odkaz:
https://doaj.org/article/592b9d9f242b41b8a3d4fb42553d1404
Autor:
Olga Perevalova, E. V. Konovalova
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 85:1022-1025
Crystal lattice microstrain in ordering alloys with L12 superstructure (Pd3Fe and Ni3Mn) is studied via X-ray diffraction analysis. Spectra of special boundaries in grain-boundary ensembles and angles of deviation of special boundaries from the param
Publikováno v:
Physics of Metals and Metallography. 122:688-695
X-ray diffraction analysis, transmission electron microscopy, and energy-dispersive analysis are used to study the phase and element compositions and microstructure of surface layers of the Ti–6Al–4V alloy prepared by additive 3D-printing and sub
Autor:
Alexey Panin, Marina Kazachenok, Olga Perevalova, Sergey Martynov, Alexandra Panina, Elena Sklyarova
Publikováno v:
Metals, Vol 9, Iss 6, p 699 (2019)
In the present study, the methods of optical, scanning electron, and transmission electron microscopy as well as X-ray diffraction analysis gained insights into the mechanisms of surface finish and microstructure formation of Ti–6Al–4V parts duri
Externí odkaz:
https://doaj.org/article/908109f3296b4d16a5eb945d25a59bf7
Publikováno v:
Physics of Metals and Metallography. 122:141-147
The microstructure of double-sided welded joints of 3D-printed items made of titanium alloy Ti‒6Al–4V by the electron-beam freeform fabrication (EBF3) method has been investigated using the methods of X-ray diffraction analysis, optical metallogr
Publikováno v:
Physical Mesomechanics. 23:457-465
The paper studies the effect of the temperature of helical rolling, which creates nanoscale mesoscopic structural states in lattice curvature zones, on the low-temperature impact toughness of Ti–6Al–4V alloy. The polymorphic transformation temper