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Nanoscience and Technology: An International Journal
ESCI SJR: 0.219 SNIP: 0.484 CiteScore™: 0.37

ISSN Imprimir: 2572-4258
ISSN On-line: 2572-4266

Nanoscience and Technology: An International Journal

Anteriormente Conhecido Como Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanomechanicsSciTechnolIntJ.v6.i1.20
pages 17-30

PREDICTION OF THERMOPHYSICAL AND THERMOMECHANICAL PROPERTIES OF HIGH-TEMPERATURE LAYERED COMPOSITES BASED ON THE Al2O3–Cr SYSTEM

R. N. Rizakhanov
State Scientific Center of the Russian Federation − Federal State Unitary Enterprise "M. V. Keldysh Research Center", Center on Application of Nanotechnologies in Power and Electricity Supply of Outer Space Systems
A. A. Barmin
State Scientific Center of the Russian Federation − Federal State Unitary Enterprise "M. V. Keldysh Research Center", Center on Application of Nanotechnologies in Power and Electricity Supply of Outer Space Systems
M. N. Polyansky
State Scientific Center Federal State Unitary Enterprise ʺKeldysh Research Centerʺ, 8 Onezhskaya Str., Moscow, 125438, Russia
R. I. Rudshtein
State Scientific Center of the Russian Federation − Federal State Unitary Enterprise "M. V. Keldysh Research Center", Center on Application of Nanotechnologies in Power and Electricity Supply of Outer Space Syste; National Research University "Higher School of Economics",20 Myasnitskaya Str., Moscow, 101000, Russia
Sergey A. Lurie
Institute of Applied Mechanics, Russian Academy of Sciences, 7 Leningradsky Ave., Moscow, 125040, Russia; Dorodnicyn Computing Centre FIC IU of the Russian Academy of Sciences, 40 Vavilov Str., Moscow, 119333, Russia
Yury O. Solyaev
Institute of Applied Mechanics, Russian Academy of Sciences, 7 Leningradskii Ave., Moscow, 125040, Russia; Moscow Aviation Institute, 4 Volokolamskoe Highway, Moscow, 125933, Russia

RESUMO

A universal model for predicting the thermophysical and thermomechanical properties of layered composites, designed for the conditions of intense and sharply varying thermal effects, was developed. The procedure of identification of the model parameters based on experimental data was formalized in mathematical terms and implemented. Mathematical problems of engineering and functional optimization of the structural parameters of the layered composite were formulated in order to reach the required set of the physicomechanical characteristics of the final material. The temperature distribution and the pattern of the stress-strain state in the structure of the Al2O3–Cr layered composite were modeled numerically in conditions of intense thermal effect. The developed model was verified by the results of experimental investigations performed on the prototype of the Al2O3–Cr layered composite.


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