Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Victor Grishkov"'
Autor:
Aleksandr Lotkov, Victor Grishkov, Roman Laptev, Dorzhima Zhapova, Natalia Girsova, Angelina Gusarenko
Publikováno v:
Metals, Vol 13, Iss 10, p 1632 (2023)
The regularities and features of the evolution of the grain–subgrain structure, phase composition and mechanical properties in Ti49.8Ni50.2 (at.%), depending on the temperature of isochronous annealings at 573–973 K are herein studied. The state
Externí odkaz:
https://doaj.org/article/c201f4f0c46a4bfc8c0eb1e79cad8f1f
Autor:
Aleksandr Lotkov, Victor Grishkov, Roman Laptev, Yuri Mironov, Dorzhima Zhapova, Natalia Girsova, Angelina Gusarenko, Elena Barmina, Olga Kashina
Publikováno v:
Materials, Vol 15, Iss 12, p 4298 (2022)
The experimental results regarding the effect of warm (573 K) abc pressing with an increase in the specified true strain, e, up to 9.55, on the microstructure and crystal structure defects (dislocations, vacancies) of the Ti49.8Ni50.2 (at %) alloy ar
Externí odkaz:
https://doaj.org/article/bcda5998819a4f9e893c93c9e01cd771
Autor:
Aleksandr Lotkov, Oleg Kashin, Victor Grishkov, Dorzhima Zhapova, Konstantin Krukovskii, Angelina Gusarenko, Natalia Girsova, Dmitrii Bobrov, Olga Kashina
Publikováno v:
Metals, Vol 12, Iss 6, p 1043 (2022)
The mechanical properties of Ti49.8Ni50.2 (at %) alloy under tension at room temperature are studied in dependence on the true strain (e = 1.84–9.55) specified during isothermal multi-axial forging (abc-pressing). It was found that the stress at th
Externí odkaz:
https://doaj.org/article/a1a8fc2b60a443eaa76831fd6843c86a
Autor:
Victor Grishkov, Aleksandr Lotkov, Dorzhima Zhapova, Yuri Mironov, Victor Timkin, Elena Barmina, Olga Kashina
Publikováno v:
Materials, Vol 14, Iss 22, p 7046 (2021)
The paper analyzes the surface structure and phase state of Ti49.4Ni50.6 (at%) hydrogenated at 295 K in normal saline (0.9% NaCl aqueous solution with pH = 5.7) at 20 A/m2 for 0.5–6 h. The analysis shows that the average hydrogen concentration in t
Externí odkaz:
https://doaj.org/article/20b1a216a0e24429be08446a7177c9f1
Autor:
Aleksandr Lotkov, Svetlana Latushkina, Vladimir Kopylov, Victor Grishkov, Anatoly Baturin, Natalia Girsova, Dorzhima Zhapova, Victor Timkin
Publikováno v:
Metals, Vol 11, Iss 9, p 1332 (2021)
The results of a study of structure, phase, and chemical compositions of nanostructured (Ti,Zr)N coatings formed by vacuum arc deposition on Ti0.16Pd (wt.%) alloy substrates are reported. The coating composition was varied depending on the quasi-bina
Externí odkaz:
https://doaj.org/article/ef7468be01e643bd9a299813bc5aad3a
Autor:
Oleg Kashin, Aleksandr Ivanovich Lotkov, Victor Grishkov, Konstantin Krukovskii, Dorzhima Zhapova, Yuri Mironov, Natalia Girsova, Olga Kashina, Elena Barmina
Publikováno v:
Metals, Vol 11, Iss 7, p 1145 (2021)
This paper presents experimental data on the microstructure and martensite transformation temperatures of Ti49.8Ni50.2 (at%) after abc pressing (multi-axial forging) to different true strains e from 1.84 to 9.55 at 573 K. The data show that increasin
Externí odkaz:
https://doaj.org/article/f1ef7d34621d479e9ba3ee7a6da142b7
Autor:
Dorzhima Zhapova, Victor Grishkov, Aleksandr Lotkov, Victor Timkin, Angelina Gusarenko, Ivan Rodionov
Publikováno v:
Metals, Vol 11, Iss 5, p 741 (2021)
The regularities of the change in inelastic strain in coarse-grained samples of the Ti49.3Ni50.7 (at%) alloy are studied when the samples are given torsional strain in the state of the high-temperature B2 phase. During cooling and heating, the invest
Externí odkaz:
https://doaj.org/article/fb756f74b7d54aeb8133feefcd4b4771
Publikováno v:
Metals, Vol 10, Iss 10, p 1313 (2020)
The paper analyzes the microstructure and mechanical properties of Ti49.8Ni50.2 alloy (at.%) under uniaxial tension at room temperature after isothermal abc pressing to true strains e = 0.29 − 8.44 at T = 723 K. The analysis shows that as the true
Externí odkaz:
https://doaj.org/article/53a0062c081b4925a7310898c886b7a3
Publikováno v:
Metals, Vol 10, Iss 9, p 1154 (2020)
The microstructure, martensitic transformations and crystal structure defects in the Ti50Ni47.3Fe2.7 (at%) alloy after equal-channel angular pressing (ECAP, angle 90°, route BC, 1–3 passes at T = 723 K) have been investigated. A homogeneous submic
Externí odkaz:
https://doaj.org/article/ae888ef9cbcd486e88d6a5aaa5c4371e
Publikováno v:
Materials, Vol 12, Iss 19, p 3258 (2019)
The results of the position analysis of the yield stress τ0.3 on the "stress−strain" (τ−γ) dependences, received at the torsion of specimens of Ti49.8Ni50.2 (at%) alloy are presented. The critical stress τ0.3 (IV), corresponding to the end of
Externí odkaz:
https://doaj.org/article/c16bbd720f2a4b53a33d797e2a36cd01