Výsledky vyhledávání - "D. A. Zhurko"

Study of nozzles' metal of VVER-440 pressure vessel after 45 years of exploitation

Autor: S. A. Bubyakin, D. A. Zhurko, K. I. Medvedev, D. Yu. Erak, A. D. Erak, A. P. Bandura, A. A. Chernobaeva

Publikováno v: Voprosy Materialovedeniya. :192-199

The paper presents the research results on determining the mechanical characteristics of the metal samples cut out from the nozzles and the cylindrical shell at the nozzles zone of the VVER-440 reactor vessel after 45 years of operation.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02650990cb7c335e35b924cee2c20231
https://doi.org/10.22349/1994-6716-2020-104-4-192-199

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Phase and structural transformations in VVER-440 RPV base metal after long-term operation and recovery annealing

Autor: D. Yu. Erak, Z.V. Bukina, Evgenia Kuleshova, S.V. Fedotova, G.M. Zhuchkov, D.A. Maltsev, A.S. Frolov, D. A. Zhurko, D. V. Safonov, E. V. Krikun, M.A. Saltykov, B. A. Gurovich

Publikováno v: Journal of Nuclear Materials. 501:261-274

This study was carried out to evaluate the possibility of 1st generation VVER-440 reactors lifetime extension by recovery re-annealing with the respect to base metal (BM). Comprehensive studies of the structure and properties of BM templates (samples

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9006d0187ecd7a3ac418a58c351cea3
https://doi.org/10.1016/j.jnucmat.2018.01.049

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Comparative studies of brittle fracture mechanism for standard and reconstructed CT specimens made of VVER-1000 RPV materials

Autor: Evgenia Kuleshova, S. A. Bubiakin, A. P. Bandura, A. D. Erak, D. A. Zhurko

Publikováno v: Inorganic Materials: Applied Research. 8:927-935

Before 2002, SE(B) specimens were included in surveillance specimen sets for operating VVER-1000 reactors. The transition from SE(B) specimens to CT specimens in the fracture toughness tests is caused by the necessity to reduce the scatter and the co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2108592e99681db7212bd2ba2e185ce0
https://doi.org/10.1134/s207511331706003x

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Mechanisms of radiation embrittlement of VVER-1000 RPV steel at irradiation temperatures of (50–400)°C

Autor: Z.V. Bukina, Evgenia Kuleshova, B. A. Gurovich, D.A. Maltsev, G.M. Zhuchkov, E. V. Krikun, D. A. Zhurko, A.S. Frolov

Publikováno v: Journal of Nuclear Materials. 490:247-259

This work summarizes and analyzes our recent research results on the effect of irradiation temperature within the range of (50–400)°C on microstructure and properties of 15Kh2NMFAA class 1 steel (VVER-1000 reactor pressure vessel (RPV) base metal)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59df6207cd46b5bfdc4018d58c8e241a
https://doi.org/10.1016/j.jnucmat.2017.04.035

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Scale factor of standard and mini Charpy specimens from VVER-1000 RPV materials

Autor: K. I. Medvedev, V. N. Kostromin, D. Yu. Erak, O. V. Mikhin, A. A. Chernobaeva, M. A. Skundin, D. A. Zhurko

Publikováno v: International Journal of Pressure Vessels and Piping. 145:23-28

A database has been developed to establish a correlation between standard and mini-Charpy specimens with the scope of tests of 38 sets of specimens. A methodical procedure has been suggested and implemented which permits a twofold reduction of the sc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15184a09ee127b92d0a0f9170d8d1fa9
https://doi.org/10.1016/j.ijpvp.2016.06.005

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Chemical composition effect on VVER-1000 RPV weld metal thermal aging

Autor: A. A. Chernobaeva, M. A. Skundin, D. Yu. Erak, B. A. Gurovich, D. A. Zhurko, Evgenia Kuleshova, D.A. Maltsev, Valentina Papina

Publikováno v: Journal of Nuclear Materials. 465:540-549

Temperature and fast neutron flux simultaneously affect the material of welded joints of reactor pressure vessels under irradiation. Understanding thermal aging effects on the weld metal allows for an explanation of the mechanisms that govern an incr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c2b171025128aa6f03cadc6cd4793ad
https://doi.org/10.1016/j.jnucmat.2015.06.010

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