Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Vladimir Borisovich Vykhodets"'
Autor:
Tatiana Eugenievna Kurennykh, Vladimir Borisovich Vykhodets, G. A. Kozhina, E. V. Vykhodets, Anatoly Yakovlevich Fishman
Publikováno v:
Defect and Diffusion Forum. 354:153-158
The results of measurements of the bulk diffusion of tracer oxygen atoms in the oxides LnMnO3+δ (Ln = La, Nd, Sm) in the temperature range 400 – 750°С are presented. The measurements were carried out on micro-and nanopowders. Nanoscale powders w
Autor:
R. G. Zakharov, Valentin Mitrofanov, Vladimir Borisovich Vykhodets, E. A. Pastukhov, Sofya Aleksandrovna Petrova, Sergei Aleksandrovich Uporov, Anatoly Yakovlevich Fishman, Tatiana Eugenievna Kurennykh
Publikováno v:
Diffusion Foundations. 1:175-197
The mechanically activated oxides MnO2, Mn2O3, Mn3O4 and MnO were studied under ambient and non-ambient temperature conditions. Regimes of mechanical treatment were found that allowed one to preserve the single-phase state without an essential change
Autor:
V. B. Vykhodets, Vladimir Borisovich Vykhodets, Anatoly Yakovlevich Fishman, O. M. Fedorova, Tatiana Eugenievna Kurennykh
Publikováno v:
Defect and Diffusion Forum. 333:193-198
sotope exchange of oxygen 18О2 with oxides NdMnO3+δ was investigated. The oxide was obtained from oxides Nd2O3 and Mn2O3 using a ceramic technology with annealing in air at 1400°C for 90 hours followed by cooling in a furnace. A planetary mill AGO
Autor:
V. B. Vykhodets, Anatoly Yakovlevich Fishman, Tatiana Eugenievna Kurennykh, Vladimir Borisovich Vykhodets
Publikováno v:
Defect and Diffusion Forum
sotope exchange of oxygen 18О2 with oxides Mn2O3 and Mn3O4 was investigated in the temperature range of 300700°C. It was established that the content of the isotope O18 in mechanically activated powders was noticeably higher than in the initial one
Autor:
V. B. Vykhodets, Anatoly Yakovlevich Fishman, Tatiana Eugenievna Kurennykh, Vladimir Borisovich Vykhodets
Publikováno v:
Defect and Diffusion Forum. :1301-1305
Isotope exchange of oxygen 18О2 with the boundary of nanograins of oxide LaMnO3+ obtained by the method of shock-wave loading was investigated in the temperature range of 400 – 500 °C. It was established that the temperature dependence of the
Autor:
S. A. Petrova, Tatiana Eugenievna Kurennykh, V. B. Vykhodets, Anatoly Yakovlevich Fishman, Vladimir Borisovich Vykhodets, R. G. Zakharov
Publikováno v:
Journal of Nano Research. 7:33-41
It is shown that investigations of the isotope exchange kinetics in nanocrystalline oxides allows one not only to solve problems connected with determination of process parameters and characteristic scenarios, but also to substantially extend experim
Autor:
S. A. Petrova, N. K. Tkachev, Anatoly Yakovlevich Fishman, Ivanov, R. G. Zakharov, Vladimir Borisovich Vykhodets
Publikováno v:
Defect and Diffusion Forum. :53-58
Specific features of the structural phase transitions of the first order were investigated in nanosized crystals with Jahn-Teller ions. As an example the phase transitions of martensite type with changes in symmetry from a cubic to a tetragonal one h
Autor:
V. B. Vykhodets, R. G. Zakharov, Anatoly Yakovlevich Fishman, B. A. Gizhevskii, Vladimir Borisovich Vykhodets, E. A. Kozlov, Tatiana Eugenievna Kurennykh, I.Sh. Trakhtenberg, S. A. Petrova
Publikováno v:
Defect and Diffusion Forum. :233-238
The kinetics of the isotope exchange between gaseous oxygen enriched with the 18O isotope and two LaMnO3+δ oxide samples – a nanopowder and a bulk nanocrystal – has been studied. The 18O isotope concentration has been measured by the acceleratio
Autor:
A. B. Vladimirov, V. N. Tkach, A.P. Rubstein, V. A. Yugov, K. Uemura, A.G. Gontar, Vladimir Borisovich Vykhodets, Sergey Dub, T. E. Kurennykh, I. Sh. Trakhtenberg
Publikováno v:
Journal of Superhard Materials. 29:138-141
Internal stresses σ0, friction coefficients fand microhardness were measured in diamond-like coatings obtained by vacuum-arc sputtering of carbon target at different nitrogen pressures in a work chamber during deposition on metallic substrates. The
Autor:
Vladimir Borisovich Vykhodets, A. P. Rubshtein, S.A. Plotnikov, I.Sh. Trakhtenberg, A. B. Vladimirov, O.M. Bakunin
Publikováno v:
Diamond and Related Materials. 10:1824-1828
The wear of DLCs deposited onto steel substrates using a graphite arc-pulse sputtering technique in a corundum particle jet was studied. Two sample sets had different adhesion strength to the substrate due to different adhesive sublayer structures. I