Zobrazeno 1 - 10 of 10 pro vyhledávání: '"T. R. Stepanova"'
1
Modeling of the High Temperature Creep and Rupture under the Complex Stress State
Autor: T. R. Stepanova, T.V. Prokhorova
Publikováno v: Materials Science Forum. 870:528-534
A damage mechanics model linked to the creep strain and stress three-axiality has been adopted to predict the creep lifetime under the complex stress state. The model accounts for primary-secondary-tertiary creep laws. Constitutive equation parameter
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3c90029924d49081c5bcc4d746df2df
https://doi.org/10.4028/www.scientific.net/msf.870.528
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2
A Mössbauer study of Fe impurity atoms in gallium arsenide
Autor: V. P. Volkov, Yu. V. Kozhanova, P. P. Seregin, T. R. Stepanova
Publikováno v: Semiconductors. 37:889-893
Mossbauer emission spectroscopy of the 57Co(57mFe) isotope was used to find the dependence of the charge state of Fe impurity atoms in GaAs on the Fermi level position in the band gap. Neutral and ionized states of impurity atoms both in the surface
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::386cddac3f05b94eae17a140c1eb3db2
https://doi.org/10.1134/1.1601655
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3
Influence of the order-disorder transition in the crystal electron subsystem on the electron density at lattice sites
Autor: N. N. Troitskaya, V. P. Volkov, N. P. Seregin, P. P. Seregin, Yu. V. Kozhanova, T. R. Stepanova
Publikováno v: Semiconductors. 37:803-806
The temperature dependence of the Mossbauer spectrum centroid S of 67Zn2+ impurity atoms at the copper and yttrium sites of YBa2Cu3O6.9, YBa2Cu3O6.6, YBa2Cu4O8, Nd1.85Ce0.15CuO4, La1.85Sr0.15CuO4, HgBa2CuO4, HgBa2CaCu2O6, Bi2Sr2CaCu2O8, and Tl2Ba2CaC
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98df3e4d2be73cc70b460671429cfd5b
https://doi.org/10.1134/1.1592854
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5
Local symmetry and electronic structure of atoms in the Pb1 xSnxTe lattices in the gapless state
Autor: P. P. Seregin, Yu. V. Kozhanova, N. P. Seregin, T. R. Stepanova, S. A. Nemov
Publikováno v: Semiconductor Science and Technology. 18:334-336
Mossbauer spectroscopy on the 67Ga(67Zn), 119Sn and 129mTe(129I) isotopes has shown that no modifications of the local symmetry of lattice sites, electronic structure of atoms and intensity of electron–phonon interaction are revealed for Pb1−xSnx
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1d85e11aafa4c19ed2c37de23357a95
https://doi.org/10.1088/0268-1242/18/4/325
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6
The effect of copper atoms on the graphite structure
Autor: T. R. Stepanova, V. D. Andreeva
Publikováno v: Technical Physics Letters. 28:759-761
It is experimentally demonstrated that incorporated copper atoms change the electron density and, hence, modify the structure of graphite crystal planes. Using the proposed method, it is possible to calculate the function describing structural distor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea6aea4f5cc8146c379c70f1549e0d35
https://doi.org/10.1134/1.1511776
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7
Copper-oxygen substructures in carbon allotropes (graphite and fullerites)
Autor: V. F. Masterov, A. V. Prikhod’ko, T. R. Stepanova, A. A. Shaklanov, O. I. Kon’kov
Publikováno v: Physics of the Solid State. 41:676-678
A comparative study of crystalline graphite and copper-doped fullerite membranes is reported. It is assumed that C60 clusters form complexes with oxygen and copper similar to those known to exist in graphite. Above room temperature, these complexes,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31b6e144ace310da2dc64aa614612ac5
https://doi.org/10.1134/1.1130848
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8
Dependence of residual stresses in boron-aluminum on structural features of the material and preliminary thermomechanical treatment
Autor: T. R. Stepanova
Publikováno v: Mechanics of Composite Materials. 26:319-323
1. The axial residual stresses in the matrix of boron-aluminum increase with an increase in the yield point of the matrix, decrease with a decrease in adhesion at the fiber-matrix interface, and are independente of the volume content of fibers within
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6152eed7be04d8c85083f1e60576db87
https://doi.org/10.1007/bf00613107
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9
Effect of temperature on the stress-strain state of boron-aluminum composite
Autor: T. R. Stepanova
Publikováno v: Strength of Materials. 20:1628-1630
1. A change in FCM temperature causes interphase stresses in it connected with the difference in thermal expansion coefficients of the fiber and matrix. In turn these stresses lead to plastic deformation of the matrix which is accompanied by developm
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f6b78526651175e607adb4eb89e0f07
https://doi.org/10.1007/bf01528971
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10
Crystalline structure of a C-60/C-70 membrane
Autor: O. I. Kon’kov, V. Yu. Davydov, V. F. Masterov, A. V. Prikhod’ko, T. R. Stepanova
Publikováno v: ResearcherID
The crystalline structure of a C60/C70 membrane prepared by an original technique has been studied by x-ray diffraction and Raman spectroscopy. The effects of purification of the starting C60/C70 mixture to C70 composition and of spatial separation o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::389435131016c55f24dcdf51a74f5f7a
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000073928000041&KeyUID=WOS:000073928000041
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