An experimental analysis of the influence of electrolyte compositions, current density and duration of the micro­arc oxidation process on the structural­phase state and properties of VT3­1 titanium alloy

Autor: Valeria Subbotinа, Oleg Sоbоl, Valery Belozerov, Valentin Shnayder, Oleksandr Smyrnov

Publikováno v: Eastern-European Journal of Enterprise Technologies, Vol 5, Iss 12 (107), Pp 6-15 (2020)

It was determined that in an electrolyte containing 1.75g/L KOH+1g/L Na2SiO3+2g/L NaAlO2, with an increase in current density from 15A/dm2to 50A/dm2, the phase composition of the coating changes. In the three-phase state (aluminum titanate, rutile, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9a109f86ded14d7adb33ccaca34c38c
https://doi.org/10.15587/1729-4061.2020.214308

A study of the phase-structural engineering possibilities of coatings on D16 alloy during micro-arc oxidation in electrolytes of different types

Autor: Valeria Subbotinа, Oleg Sоbоl, Valery Belozerov, Alexander Subbotin, Yuliya Smyrnova

Publikováno v: Eastern-European Journal of Enterprise Technologies, Vol 4, Iss 12 (106), Pp 14-23 (2020)

The effect of electrolysis conditions with different electrolyte compositions on the growth kinetics, phase-structural state, and hardness of coatings obtained by microarc oxidation (MAO) on the D16 aluminum alloy (base – aluminum, main impurity Cu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13c0980b400d0ef79762d28413d9ea84
https://doi.org/10.15587/1729-4061.2020.209722

STRUCTURE AND PROPERTIES OF HETEROGENEOUS CATALYST ON AN OXIDE CARRIER BASED ON ALUMINIUM

Autor: Valery Belozerov, Valeria Subbotina, Oleg Sоbоl

Publikováno v: Collected scientific works of Ukrainian State University of Railway Transport. 191

In this study, the MAO technology was optimized in order to obtain a high development of coatings and their good adhesion to the substrate for the creation of a highly efficient heterogeneous catalyst on the oxide carrier of the Pt/Al2O3 system. Oxid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bc2956b57335d0a21cacabc166a4d3f
https://doi.org/10.18664/1994-7852.191.2020.217284

Effect of electrolysis regimes on the structure and properties of coatings on aluminum alloys formed by anode­cathode micro arc oxidation

Autor: Safwan M. Al-Qawabah, Valeria Subbotinа, Taha A. Tabaza, Oleg Sоbоl, Valery Belozerov, Anna Mahatilova, Ubeidulla F. Al-Qawabeha

Publikováno v: Eastern-European Journal of Enterprise Technologies, Vol 1, Iss 12 (91), Pp 43-47 (2018)
Eastern-European Journal of Enterprise Technologies; Том 1, № 12 (91) (2018): Materials Science; 43-47
Восточно-Европейский журнал передовых технологий; Том 1, № 12 (91) (2018): Материаловедение; 43-47
Східно-Європейський журнал передових технологій; Том 1, № 12 (91) (2018): Матеріалознавство; 43-47

The study provides research findings on the effect of current regimes in microplasma oxidation on the phase composition and the properties of oxide coatings on an aluminum alloy. To obtain oxide coatings, micro arc (microplasma) oxidation is carried

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60c44f59f1707893da678b5e752e3654
http://journals.uran.ua/eejet/article/view/121744

Results of approbation of the innovative method of ion nitriding for steels with low temperatures of tempering

Autor: Dmitriy Kovteba, V. A. Stolbovoy, Svitlana Shevchenko, Alexander Terletsky, Viktor Aleksandrov, Oleg Sоbоl, Tatyana Protasenko, A. A. Andreev

Publikováno v: Eastern-European Journal of Enterprise Technologies. 3:31-36

The innovation technique of complex treatment for steels with the low temperature of tempering is proposed and tested in the course of present study. It includes nitriding in the vacuum gas discharge before hardening and tempering. In this case, duri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::789c743180b966747a351053c3e491a2
https://doi.org/10.15587/1729-4061.2017.104179