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Найдено 125 публикаций
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Статья
Epifanov N.A., Bondarenko G.G., Gribkov V. A. et al. Procedia Manufacturing. 2019. Vol. 37. P. 500-507.
Добавлено: 10 января 2020
Статья
Demin D. Procedia Manufacturing. 2019. No. 37. P. 335-340.
Добавлено: 4 февраля 2020
Статья
Naumescu V., Kormina J. Anthropology Today. 2020. Vol. 36. No. 1. P. 7-11.
Добавлено: 13 февраля 2020
Статья
Galeeva A. V., Kazakov A. S., Artamkin A. I. et al. Scientific Reports. 2020. Vol. 10. P. 2377.
Добавлено: 13 марта 2020
Статья
Boldyrev K., Маврин Б., Шерин П. et al. Journal of Luminescence. 2018. Vol. 193. P. 119-124.
Добавлено: 8 февраля 2019
Статья
V. E. Anikeeva, Semenova O. I., Tereshchenko O. E. Journal of Physics: Conference Series. 2018. Vol. 1124. No. 4. P. 041008.
Добавлено: 23 октября 2020
Статья
Aksenov S. A., Sorgente D. Defect and Diffusion Forum. 2018. Vol. 385. P. 443-448.

The work is dedicated to determination of stress-strain behavior of Ti6Al4V alloy deformed in conditions of biaxial tension provided by free bulging testing. The dome height during each test was continuously measured and recorded using a magnetostrictive position transducer. All the tests were performed using stepped pressure regime with jump pressure changing between two values at evenly spaced time moments. This experimental technique provides the possibility to study strain rate sensitivity index variation during the test and subsequently construct strain and strain rate dependent material model. The output data of each test include the evolution of dome height, subsequent pressure regime and final thickness of the specimen at the dome pole. In the framework of this study the processing of such data in order to evaluate the material behavior is discussed. Inverse analysis with different material models was implemented as well as special direct technique allowing one to construct stress-strain curves based on the results of free bulging tests with pressure jumps. The obtained material model was verified by finite element simulation.

Добавлено: 26 декабря 2019
Статья
Andreev D. V., Bondarenko G.G., Andreev V. V. et al. Journal of Surface Investigation: X-Ray, Synchrotron and Neutron Techniques. 2020. Vol. 14. No. 2. P. 260-263.
Добавлено: 26 мая 2020
Статья
Boldyrev K., Мельников А., Селиванов Ю. et al. Physical Review B: Condensed Matter and Materials Physics. 2018. Vol. 97. No. 21. P. 214304-1-214304-10.
Добавлено: 8 февраля 2019
Статья
Охримчук А. Г., Прямиков А. Д., Boldyrev K. et al. Optical Materials Express. 2020. Vol. 10. No. 11. P. 2834-2848.
Добавлено: 22 октября 2020
Статья
Zhuchkova T., Аксенов С. А., Shkatov V. V. и др. Journal of Chemical Technology and Metallurgy. 2018. Т. 53. № 2. С. 354-359.

The article shows an influence of kind of tests on material hot defamation behaviour during physical modelling on Gleeble 3800. As material, high-strength low-alloy automobile steel HC420LA was used. Stress-strain curves and material constants based on results of flow stress and plain strain tests were calculated and compared. Besides finite-element modeling of rolling round bar on a smooth barrel was performed taking into account the calculated mechanical characteristics.

Добавлено: 26 декабря 2019
Статья
Loganathan N., Bowers G. M., Yazaydin A. O. et al. Journal of Physical Chemistry C. 2018. Vol. 122. No. 41. P. 23460-23469.

The intercalation of H2O, CO2, and other fluid species in expandable clay minerals (smectites) may play a significant role in controlling the behavior of these species in geological C-sequestration and enhanced petroleum production and has been the subject of intensive study in recent years. This paper reports the results of a computational study of the effects of the properties of the charge balancing, exchangeable cations on H2O and CO2 intercalation in the smectite mineral, hectorite, in equilibrium with an H2O-saturated supercritical CO2 fluid under reservoir conditions using Grand Canonical Molecular Dynamics (GCMD) methods. The results show that the intercalation behavior is greatly different with cations with relatively low hydration energies and high affinities for CO2 (here Cs+) than with cations with higher hydration energies (here Ca2+). With Cs+, CO2 intercalation occurs in a 1-layer structure and does not require H2O intercalation, whereas with Ca2+ the presence of a sub-monolayer of H2O is required for CO2 intercalation. The computational results provide detailed structural, dynamical and energetic insight into the differences in intercalation behavior and are in excellent agreement with in situ experimental XRD, IR, quartz crystal microbalance, and NMR results for smectite materials obtained under reservoir conditions.

Добавлено: 20 октября 2018
Статья
Bondarenko G.G., Korzhavyi A. P., Prasitskii V. V. et al. Russian Metallurgy (Metally). 2019. No. 11. P. 1205-1211.
Добавлено: 11 января 2020
Статья
Pudalov V., Vlasenko V. A., Pervakov K. S. et al. IEEE Transactions on Applied Superconductivity. 2019. Vol. 29. No. 3. P. 6900505-1-5.
Добавлено: 26 ноября 2019
Статья
Borovitskaya I. V., Gribkov V. A., Demin A. S. et al. Inorganic Materials: Applied Research. 2020. Vol. 11. No. 5. P. 1093-1102.
Добавлено: 30 сентября 2020
Статья
Кузьмин Н. Н., Климин С. А., Маврин Б. Н. et al. Data in Brief. 2020. Vol. 28. P. 104889.
Добавлено: 22 октября 2020
Статья
Kolesnikov A., Budkov Y., Gor G. Y. Journal of Physical Chemistry C. 2020. Vol. 124. No. 37. P. 20046-20054.
Добавлено: 13 августа 2020
Статья
Mazilkin A., Rybchenko O., Fursova T. et al. Materials Characterization. 2019. Vol. 147. P. 215-222.

The structural and spectroscopic features of the EuAl3(BO3)4 individual skeletal microcrystals synthesized by a melt solution method have been studied. Their infrared spectra taken from the as-grown microcrystal surfaces mainly contain the lines of the rhombohedral modification of EuAl3(BO3)4 and additional peaks of its monoclinic modification. TEM and X-ray diffraction studies confirm that these additional peaks in the IR spectra belong to the monoclinic C2/c polytype of the EuAl3(BO3)4 compound. We are the first to demonstrate the presence of coherent monoclinic domains in rhombohedral EuAl3(BO3)4 crystals by TEM. Cathodoluminance spectroscopy shows that the microcrystals generate strong emission lines in the range 580–630 nm, and their intensities are strongly influenced by the crystal orientation.

Добавлено: 5 декабря 2019
Статья
Boldyrev K., Малкин Б., Абишев Н. et al. Physical Review B: Condensed Matter and Materials Physics. 2017. Vol. 96 . No. 1. P. 014116-1-014116-13.
Добавлено: 8 февраля 2019
Статья
Borovitskaya I. V., Pimenov V. N., Gribkov V. A. et al. Russian Metallurgy (Metally). 2020. No. 3. P. 238-249.
Добавлено: 21 марта 2020
Статья
Bezotosnyi P., Dmitrieva K., Sadakov A. et al. Physical Review B: Condensed Matter and Materials Physics. 2019. Vol. 100. No. 22. P. 184514-1-184514-12.
Добавлено: 26 ноября 2019