Zobrazeno 1 - 10
of 11
pro vyhledávání: '"O. M. Kugaenko"'
Publikováno v:
Industrial laboratory. Diagnostics of materials. 84:28-35
The effect of crystal anisotropy and defects of the structure formed upon mechanical cyclic deformation and thermal shock on acoustic parameters such as phase velocity, attenuation coefficient, Q-factor of bulk acoustic wave (BAW) has been studied in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0287b5993bcaddf9a9a583e9510e58e3
https://doi.org/10.26896/1028-6861-2018-84-11-28-35
https://doi.org/10.26896/1028-6861-2018-84-11-28-35
Autor:
O. M. Kugaenko, L. A. Vasilieva
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 80:1459-1464
Optoacoustic means are used to study the kinetics of laser damage accumulation in potassium chloride crystals. This approach allows us to observe the accumulation of changes in KCl crystals when it is irradiated by a series of laser pulses of subthre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85328c365539f39b4734a31b0e723b87
https://doi.org/10.3103/s1062873816120108
https://doi.org/10.3103/s1062873816120108
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 80:1489-1493
Comprehensive microstructure studies of the surfaces of duralumin sheets exposed to an intense microsecond СО2 laser pulse (Е ~ 500 J) are performed for the first time. The irradiated area is ~100 cm2. A pulse with a duration of ~5 μs has an ~200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71e9eb0ea6b945aef2e5c14ba4e38618
https://doi.org/10.3103/s1062873816120170
https://doi.org/10.3103/s1062873816120170
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 80:1267-1272
The mechanical properties, thermophysical parameters, and thermal stabilities of the phase composition of crystals of the langasite family are studied. The results from examining the temperature dependences of the thermophysical parameters (thermal c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd7a8356746e2a1b6e5229d0b7eafee5
https://doi.org/10.3103/s1062873816100063
https://doi.org/10.3103/s1062873816100063
Autor:
B. R. Senatulin, K. R. Kurbanov, M. V. Sakharov, K. A. Shcherbakov, V. G. Sredin, Yu. V. Vasil’eva, I. I. Astrauskas, I. M. Karnaukh, V. S. Petrakov, O. M. Kugaenko
Publikováno v:
Inorganic Materials: Applied Research. 6:391-397
The thermophysical parameters of a Cd0.2Hg0.8Te single crystal are investigated in the temperature range of 300–503 K. The investigated structure is shown to be stable upon heating to a temperature of 503 K. The decay of the Cd0.2Hg0.8Te phase comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eff8281426469a16b2bee8495fedb897
https://doi.org/10.1134/s2075113315040139
https://doi.org/10.1134/s2075113315040139
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 78:1188-1196
The microhardness of single crystals of the La3Ga5SiO14, La3Ta0.5Ga5.5O14, Ca3TaGa3Si2O14 family of lantanum-gallium silicates of trigonal symmetry class 32 of space group P321 is studied using the Knupp approach. The anisotropy of grade I microhardn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75a1cc97034a28c389cab92f4e6419d8
https://doi.org/10.3103/s106287381411015x
https://doi.org/10.3103/s106287381411015x
Autor:
O. M. Kugaenko, V. S. Petrakov, S. S. Bazalevskaya, T. B. Sagalova, O. A. Buzanov, S. A. Saharov
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 78:1067-1074
Thermal stability of the phase composition of langasite family crystals is studied by means of high-temperature X-ray diffractometry upon heating in vacuo and in air. Upon heating above 1000°C in vacuo, the partial decomposition of the initial phase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f933a53b88711862917fa384844b084b
https://doi.org/10.3103/s106287381410013x
https://doi.org/10.3103/s106287381410013x
Autor:
V. N. Egorov, S. S. Uvarova, S. Sakharov, O. M. Kugaenko, V. S. Petrakov, M. L. Pozdnyakov, O. A. Buzanov
Publikováno v:
Russian Metallurgy (Metally). 2013:286-291
The microstructure of piezoelectric lanthanum-gallium tantalite single crystals is shown to change substantially during cyclic mechanical actions at room temperature and during thermal shock: the dislocation density increases, twinning takes place, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb17a9281ab8fc96e9597de9e83f2068
https://doi.org/10.1134/s0036029513040071
https://doi.org/10.1134/s0036029513040071
Autor:
V. S. Petrakov, O. M. Kugaenko, B. R. Senatulin, S. A. Krylov, S. S. Uvarova, O. A. Buzanov, S. Sakharov, V. N. Egorov
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 76:1258-1263
The thermophysical parameters (thermal diffusivity χ, heat conductivity λ, thermal expansion, and specific heat c p coefficients) of single crystals from the langasite family are investigated in the basic crystallographic directions of X, Y, and Z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7710614ccba06d6fcb942da1716a5b08
https://doi.org/10.3103/s1062873812110123
https://doi.org/10.3103/s1062873812110123
Publikováno v:
Crystallography Reports. 47:111-116
The conditions necessary for the formation of regular domain structures in lithium niobate crystals used for quasi-synchronous non-linear optical transformations of laser radiation have been considered. The analysis of the mechanism and the kinetics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffbeb0300adece809e818055c90a115d
https://doi.org/10.1134/1.1447037
https://doi.org/10.1134/1.1447037