Zobrazeno 1 - 10
of 43
pro vyhledávání: '"V. D. Aleksandrov"'
Autor:
V. D. Aleksandrov, S. A. Frolova
Publikováno v:
Russian Metallurgy (Metally). 2021:326-332
An alternative approach to calculating the critical nucleus size and the nucleus formation energy has been developed. A significant difference between this method and the generally accepted so-called classical method, according to which a nucleation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe86e7683a822dfbee39cdf18b36e678
https://doi.org/10.1134/s0036029521030034
https://doi.org/10.1134/s0036029521030034
Autor:
V. D. Aleksandrov, S. A. Frolova
Publikováno v:
Russian Metallurgy (Metally). 2021:308-312
The influence of the overheating of the Ga–14.2 mol % In eutectic alloy melt on the presolidification cooling is studied on 2-g samples by cyclic thermal analysis. In the case of the overheating of the liquid eutectic above the eutectic temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c003ca04e7e01c82e2433d0d0c734f81
https://doi.org/10.1134/s0036029521030022
https://doi.org/10.1134/s0036029521030022
Publikováno v:
Technical Physics. 65:1936-1942
We have analyzed the available data on the transition from equilibrium crystallization of melts of various substances to nonequilibrium explosive crystallization depending on preliminary heating of the liquid phase to temperature $$T_{C}^{ + }$$ . An
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a03e7d4131f13c1f1d9bda347e381253
https://doi.org/10.1134/s1063784220120038
https://doi.org/10.1134/s1063784220120038
Publikováno v:
Russian Metallurgy (Metally). 2020:1496-1501
The possibility of increasing the wear resistance of components made from AL25 and D16 aluminum alloys via surface alloying of the functional surfaces of the components is considered theoretically and experimentally. The mass transfer within the surf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::004dfe4782ecee79cf1b38fec30510cb
https://doi.org/10.1134/s0036029520130029
https://doi.org/10.1134/s0036029520130029
Publikováno v:
Russian Journal of Non-Ferrous Metals. 61:172-178
Overcooling of gallium–tin alloys under normal conditions has been studied by thermal analysis. The following samples have been analyzed: Ga (I); two hypoeutectic alloys: 95% Ga + 5% Sn (II), 90% Ga + 10% Sn (III); eutectic alloy: 96.3% Ga + 13.7%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2044a701f8288a765bfa5c2ee0320775
https://doi.org/10.3103/s1067821220020029
https://doi.org/10.3103/s1067821220020029
Publikováno v:
Russian Metallurgy (Metally). 2020:77-81
Dependences of free Gibbs energies GL and GS on the component content and temperature are analyzed for binary eutectic alloys, which are characterized by terminal solid solubility and are present in liquid (L), liquid–solid (LS), and solid (S) stat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9679ee3ad5d42df2711d0ee96c668162
https://doi.org/10.1134/s0036029520010036
https://doi.org/10.1134/s0036029520010036
Publikováno v:
Russian Metallurgy (Metally). 2019:77-82
The laws of changing the presolidification supercooling of bismuth drops during continuous thermal cycling were studied by thermal analysis in the temperature–time coordinates. A sawtooth cyclic dependence of the supercooling on the sequence of hea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de630b3afcd339fff9d41cbc9568f59a
https://doi.org/10.1134/s0036029519010026
https://doi.org/10.1134/s0036029519010026
Publikováno v:
Russian Engineering Research. 38:49-52
Surface alloying of aluminum alloys by means of laser heating is considered. The surface hardness of aluminum increases to 5000–7000 MPa on alloying with pure metals and to 6500–8000 MPa on alloying with chemical compounds. The wear resistance of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88f852869021bb05755c11004421bdc9
https://doi.org/10.3103/s1068798x18010033
https://doi.org/10.3103/s1068798x18010033
Publikováno v:
Russian Engineering Research. 38:53-56
Cyclic nitriding characterized by uniform alternation of cycles with high and low nitrogen potential is considered. In the active stage of the process, the surface layer of the steel is saturated with nitrogen, forming a nitride zone. In the passive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::582861ee7c4ee6daacdb13b0f941221e
https://doi.org/10.3103/s1068798x18010057
https://doi.org/10.3103/s1068798x18010057
Publikováno v:
Russian Engineering Research. 39:693-695
—Two methods are considered for the production of wear-resistant coatings for cutting and stamping tools: plasma nitriding with subsequent oxidation; and plasma chemical vapor deposition of metals with preliminary nitriding. The microstructure of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da4226187bc9cde8f8b728a6db609be9
https://doi.org/10.3103/s1068798x19080033
https://doi.org/10.3103/s1068798x19080033