Autor: Nikulin, S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Creep Behavior of a Zirconium Alloy Processed by Equal-Channel Angular Pressing
Autorzy:: Sklenicka, V.
Dvorak, J.
Kral, P.
Svoboda, M.
Kvapilova, M.
Kopylov, V.
Nikulin, S.
Dobatkin, S.
Powiązania:: https://bibliotekanauki.pl/articles/1418491.pdf
Data publikacji:: 2012-09
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 81.40.Lm
62.20.Hg
81.05.-t
81.07.Bc
81.70.Bt
Opis:: A Zr-2.5 wt%Nb alloy was processed by equal-channel angular pressing and then tested under creep conditions at 623 K using a tensile stress within the range from 120 to 300 MPa. The results show conventional power-law creep with a stress exponent of n > 3 which is consistent with an intragranular dislocation process involving the glide and climb of dislocations. It is demonstrated that diffusion creep is not important in these tests. For comparison purposes, the experiments were conducted using both the unprocessed alloy and after processing by equal-channel angular pressing. It was found that under same testing conditions the measured minimum creep rates in the pressed alloy with ultrafine grain sizes were faster than in the same alloy in a coarse-grained unprocessed condition.
Źródło:: Acta Physica Polonica A; 2012, 122, 3; 485-489
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Studies of interaction of plasma jets generated in a plasma focus facility with an ambient plasma in external magnetic field
Autorzy:: Filippov, N.
Filippova, T.
Filippov, A.
Friart, D.
Karakin, M.
Khautiev, E.
Krauz, V.
Mokeev, A.
Myalton, V.
Nikulin, S.
Simonet, F.
Tykshaev, V. P.
Vierne, J.
Vinogradov, V. P.
Powiązania:: https://bibliotekanauki.pl/articles/147551.pdf
Data publikacji:: 2001
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: collisionless shocks
plasma focus
plasma jets
Opis:: The aim of the present experiments was to reproduce and to study in laboratory quasi-perpendicular supercritical collisionless shocks similar to the Earth-Solar Wind shock, by using a plasma focus facility as the plasma source. The experiments were performed on the PF-3 facility (Filippov-type plasma focus) at a level of energy supply of about 1 MJ. Directed plasma jets are produced with axial velocities ~107 cm/s after compression of a plasma-current sheath in the initial stage of plasma focus formation. These jets then travel through an ambient plasma resulting in early gas ionization by X-ray radiation from the plasma focus, and at an angle of 90° to the 2500 G external magnetic field applied by a system based on rear-earth magnets. Our experimental conditions allowed us to reach a range MA ~ 5÷10.
Źródło:: Nukleonika; 2001, 46, 1; 31-34
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Investigation of the pulse plasma stream
Autorzy:: Evtikhin, V. A.
Lyublinsky, I. E.
Vertkov, A. V.
Ivanov, L. I.
Ivanov, Y. P.
Krokhin, O. N.
Nikulin, V. Y.
Polukhin, S. N.
Safronova, T. V.
Tikhomirov, A. A.
Powiązania:: https://bibliotekanauki.pl/articles/148327.pdf
Data publikacji:: 2001
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: interaction of plasma with matter
lithium capillary porous system
plasma dynamics
plasma focus
thermonuclear reactor
Opis:: In this report we present a first series of tests of the lithium Capillary Porous System (CPS). We suppose that such a system can be used as a first wall in a thermonuclear reactor. The main goal of the presented work was to study the behavior of the lithium CPS in the condition simulating the influence of plasma in various operating regimes of the thermonuclear reactor. The tests were conducted in a Plasma Focus (PF) installation. The preliminary analysis of the received results confirms the high resistance of the lithium CPS to the pulse influence of plasma flows.
Źródło:: Nukleonika; 2001, 46, suppl. 1; 113-115
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

Artykuł

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