Zobrazeno 1 - 10
of 93
pro vyhledávání: '"E. F. Dolzhenkova"'
Autor:
V. A. Belous, Sergey Dub, G. N. Tolmacheva, O.Ts. Sidletskiy, R. P. Yavetskiy, E. F. Dolzhenkova
Publikováno v:
Journal of Superhard Materials. 40:75-81
The nanoindentation in the continuous stiffness measurement (CSM) mode was used to study the nucleation of the plasticity at the nanodeformation of the yttrium-aluminium garnet (YAG) having a low ((111) YAG single crystal after the annealing at the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aacdd79d850f23327dcfe0d139e12f8b
https://doi.org/10.3103/s1063457618020016
https://doi.org/10.3103/s1063457618020016
Publikováno v:
Inorganic Materials. 51:1025-1032
Polygonization processes in sapphire ribbons of basal orientation, 50 × 15 mm in cross-sectional dimensions have been studied using an optical polarization method, selective etching, and X-ray diffraction. Using a modified furnace, we have obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6e609de7fe04eb160e54c11e31f9ee6
https://doi.org/10.1134/s0020168515100015
https://doi.org/10.1134/s0020168515100015
Publikováno v:
Journal of Superhard Materials. 37:341-345
Special features of fracture processes in alumina single crystals in abrasion wear and scratching are studied versus the crystallographic orientation and technological factors. The authors compare mechanical properties of sapphire and Gorilla Glass.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09c6e7d5cb60493f55511d6e14bb8b15
https://doi.org/10.3103/s106345761505007x
https://doi.org/10.3103/s106345761505007x
Publikováno v:
Journal of Superhard Materials. 35:126-130
The manifestation of Rebinder effect in abrasive machining of sapphire has been studied versus coolant pH. The change of pH from neutral to acidic results in an 1.8 times higher rate of grinding with a bound abrasive. An alkaline medium also facilita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3e6e63add8a7decd72b1feaad4fdb8f
https://doi.org/10.3103/s1063457613020093
https://doi.org/10.3103/s1063457613020093
Autor:
Vladimir Z. Turkevich, R. P. Yavetskii, V. F. Tkachenko, I. A. Petrusha, E. F. Dolzhenkova, V. A. Belous, G. N. Tolmacheva, A.G. Doroshenko
Publikováno v:
Inorganic Materials. 47:1160-1167
Using micro- and nanoindentation techniques, we have studied the mechanical properties of Y3Al5O12 optical ceramics: coarse-grained, prepared by vacuum sintering, and nanostructured, prepared by high-pressure, low-temperature sintering. The effect of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23aed09ebad1c550574ec71524d708f9
https://doi.org/10.1134/s0020168511090068
https://doi.org/10.1134/s0020168511090068
Publikováno v:
Crystallography Reports. 52:889-893
The crack resistance and peculiarities of the internal structure of isostructural SrB4O7 and PbB4O7 single crystals of the framework type have been studied. It is shown that the cleavage of these crystals, which is atypical of this type and inherent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0f3e625a6397761a7c385b9906fb94d
https://doi.org/10.1134/s1063774507050197
https://doi.org/10.1134/s1063774507050197
Autor:
S.V. Parkhomenko, Vyacheslav N. Baumer, A. V. Tolmachev, R.P. Yavetskiy, A. L. Prosvirnin, E. F. Dolzhenkova
Publikováno v:
Journal of Alloys and Compounds. 441:202-205
Radiation-induced defects in SrB 4 O 7 :Eu 2+ (0.033 at.%) single crystal irradiated with γ and X-ray quanta has been studied. The induced optical absorption in the 400–700 nm region has been ascribed to F + centers. The Eu 2+ ions have been shown
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a88afab0e3a92f93d2538d2937578fc2
https://doi.org/10.1016/j.jallcom.2006.09.077
https://doi.org/10.1016/j.jallcom.2006.09.077
Publikováno v:
Journal of Alloys and Compounds. 429:77-81
Thermally stimulated luminescence (TSL) of Li 6 Y(BO 3 ) 3 :Eu 3+ single crystals has been studied. Radiation-induced absorption of the Li 6 Y(BO 3 ) 3 :Eu 3+ crystals in the 320–500 nm region has been attributed to the formation of hole oxygen cen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddf193ab7f98750b21287c05f84f622b
https://doi.org/10.1016/j.jallcom.2006.04.040
https://doi.org/10.1016/j.jallcom.2006.04.040
Publikováno v:
Crystallography Reports. 51:292-295
The nature of destruction of single crystals of lithium tetraborate Li2B4O7 under the action of a concentrated load is investigated. It is established that planes of easy crack propagation in Li2B4O7 single crystals are the (100), (010), (001), and {
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c7a5f5d21532db5424b2e06ca7a6b73
https://doi.org/10.1134/s1063774506020167
https://doi.org/10.1134/s1063774506020167
Publikováno v:
Crystallography Reports. 50:S88-S91
The mutual solubility in the Li6Y(BO3)3-Li6Eu(BO3)3 system was investigated by differential thermal analysis and X-ray phase analysis. Single crystals of the Li6Y1−x Eux(BO3)3 solid solutions more than 1 cm3 in volume were grown by the Czochralski
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8d693bd64347d2a12457256cbc56449
https://doi.org/10.1134/1.2133979
https://doi.org/10.1134/1.2133979