Zobrazeno 1 - 10
of 34
pro vyhledávání: '"S. V. Stefanovskii"'
Publikováno v:
Glass and Ceramics. 75:89-94
The phase composition, structure, elemental distribution, and hydrolytic stability of quench-hardened and tempered sodium-aluminum-phosphate (SAP) and sodium-aluminum(iron) phosphate (SAIP) glass materials containing 10 wt.% (above 100%) oxides of ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab5d05653f5ce936db5b8a111512bc9f
https://doi.org/10.1007/s10717-018-0034-5
https://doi.org/10.1007/s10717-018-0034-5
Publikováno v:
Radiochemistry. 53:229-243
Matrices for actinide wastes, consisting of complex murataite-type oxides, were studied. The samples were prepared by sintering of the oxide charge at 1100–1400°C or by fusion at 1450–1600°C followed by crystallization. Along with the structura
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f515d7699cc5112ecada3d08ebaefe7
https://doi.org/10.1134/s1066362211030027
https://doi.org/10.1134/s1066362211030027
Autor:
A. A. Lizin, N. P. Laverov, S. V. Tomilin, S. V. Stefanovskii, V. I. Velichkin, A. N. Lukinykh, Sergey V. Yudintsev
Publikováno v:
Radiochemistry. 51:529-536
The effect of 244Cm decay (T1/2 = 18 years) on the radiation and chemical stability of the pyrochlore Gd1.935Cm0.065TiZrO7 was examined. Irradiation leads to degradation of its structure. The amorphization dose at room temperature is 4.60 × 1018 α-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfb2fd3321aaa4ba76f769ff5130e68c
https://doi.org/10.1134/s1066362209050178
https://doi.org/10.1134/s1066362209050178
Publikováno v:
Radiochemistry. 51:193-197
Perovskites of the compositions xLa2O3·Al2O3 and xLa2O3·Fe2O3 were prepared by cold pressing and sintering at temperatures of up to 1500°C, and their properties were studied. Perovskites based on lanthanum aluminate are more porous than those base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e4b728ebc87e167b8fb6f9e2ea45237
https://doi.org/10.1134/s1066362209020180
https://doi.org/10.1134/s1066362209020180
Publikováno v:
Radiochemistry. 50:541-546
The dose of X-ray amorphization of crystalline phases with murataite structure upon decay of incorporated 244Cm nuclide in ceramics Ca2.5Mn2Th0.41Cm0.12Ti7.5Zr0.5AlFeO24.5 was determined. The average radiation dose for three samples prepared by fusio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::954e3930d2407d42cd57bd54563c33df
https://doi.org/10.1134/s1066362208050184
https://doi.org/10.1134/s1066362208050184
Publikováno v:
Atomic Energy. 105:110-117
Scanning electron microscopy, x-ray phase analysis, and infrared spectroscopy are used to study samples selected from a near-surface zone of glass blocks of vitrified radioactive wastes from nuclear power plants after they have been in storage in an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eda6b246c984829381454cedd307c0b
https://doi.org/10.1007/s10512-008-9073-2
https://doi.org/10.1007/s10512-008-9073-2
Phase composition of ceramics in systems with oxides of rare-earth elements, manganese, and titanium
Publikováno v:
Radiochemistry. 49:346-353
Ceramics based on systems with oxides of rare-earth elements (REE: Y2O3, Sm2O3, Gd2O3), manganese, and titanium, considered as hosts for immobilization of REE- and actinide-containing radioactive wastes (RAW), were prepared by cold pressing and sinte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cc1e2502ab5fb7023327d08a4a9f6b3
https://doi.org/10.1134/s1066362207040042
https://doi.org/10.1134/s1066362207040042
Publikováno v:
Radiochemistry. 49:354-360
Samples of titanate-based ceramics with Y, Gd, Mn, U, Ca, Al, and Fe oxides, which are of interest as hosts for immobilization of radioactive waste containing lanthanides, actinides, and corrosion products, were prepared by cold pressing, sintering,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa2c99ef0e5999c7543581f0721b2142
https://doi.org/10.1134/s1066362207040054
https://doi.org/10.1134/s1066362207040054
Autor:
O. A. Knyazev, E.W. Holtzscheiter, V. N. Zakharenko, S. V. Stefanovskii, James C. Marra, A. G. Ptashkin, M. A. Polkanov, A. P. Kobelev, T. N. Lashchenova
Publikováno v:
Atomic Energy. 102:369-374
Experiments on vitrifying a surrogate for SB2 pulp from the Savannah River facility (USA) in a cold crucible with inner diameter 418 mm in a commercial facility for vitrifying medium-level wastes at the Moscow Scientific and Industrial Association Ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a8f136d42a3b1eedf03f68a58927866
https://doi.org/10.1007/s10512-007-0058-3
https://doi.org/10.1007/s10512-007-0058-3
Autor:
A. P. Kobelev, V. N. Zakharenko, S. V. Stefanovskii, James C. Marra, A. G. Ptashkin, M. A. Polkanov, T. N. Lashchenova, O. A. Knyazev, E.W. Holtzscheiter
Publikováno v:
Atomic Energy. 102:277-286
Two experiments on the vitrification of a surrogate for the wastes from the Savannah River plant (USA) have been performed on a cold-crucible (inner diameter 216 mm) induction-melting bench facility at the Moscow Scientific and Industrial Association
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b76a59d4c6a65de0760d45de6c63754
https://doi.org/10.1007/s10512-007-0043-x
https://doi.org/10.1007/s10512-007-0043-x