On the possibility of optimizing new domestic companies opportunities to optimize new domestic composites


Аuthors

Cherepanov V. V.

Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia

e-mail: vvcherepanov@yandex.ru

Abstract

The work further developed a set of theoretical and software tools developed by the author for the study, prediction and optimization of high-temperature materials, partially transparent to electromagnetic radiation, in which the radiation mechanism plays a significant role in heat exchange at high temperatures. The models of the complex, based on the consistent use of the concept of a representative element, allow taking into account not only the structural laws of materials, the thermo-physical and electrical properties of the constituent substances, but also the features (in particular, anisotropy) of radiation in their volume, as well as a wide range of external conditions. After tuning the model to the experimental data (thermo-physical or spectral), it is possible to calculate the required characteristics of materials as a whole, to study the physical processes occurring in heterogeneous highly porous structures at various spatial and temporal scales. The complex allows conducting research in a wide range of external conditions. Previously, his tools have repeatedly demonstrated their broad capabilities in the study of promising heterogeneous ultraporous materials of various topologies, as well as their optimization in relation to various efficiency criteria and for various external conditions. For a promising class of the latest high-temperature composite materials, consisting of mullite-corundum fibers, based on the available experimental data, mathematical modeling of spectral-kinetic, thermal and electro-physical characteristics that are difficult to experimentally determine was carried out. Previously, using available information sources, a complete system of initial thermophysical and electro-optical spectral data for heat-resistant substances that form the basis of the indicated heterogeneous fibrous heat-shielding materials was determined. The mathematical model of the complex is adapted for this type of data; the set of its parameters is optimized and reduced. A new version of the software tools of the complex has been developed with expanded capabilities. It allows you to model, to study and to predict a wide range of properties of heterogeneous fiber composites of arbitrary composition. The key parameters influencing the electrical and thermo-physical properties of high-temperature mullite-corundum composite materials have been determined. Based on the research results, specific recommendations were made. In particular, it was confirmed that heterogeneous fibrous materials with a volume fraction ratio of amorphous quartz:mullite = 2:8 formed according to the results of experimentally selected formulations are indeed optimal in composition. Nevertheless, it has been shown that their properties can also be improved in relation to certain efficiency criteria. In particular, it turned out that in order to reduce the total thermal conductivity in vacuum, it is expedient to increase the fiber diameters of the material (for example, by a factor of 1.5 for T = 1300 K). The results of the work clearly show the effectiveness of mathematical materials science as a new tool that significantly expands the possibilities of experimental methods in the development and modification of the properties of promising materials that can be produced in our country on an industrial scale.

References

  1. Uglova T.N., Novoselova S.N., Tatarintseva O.S. Bazal'tovovoloknistye teploizolyatsionnye materialy na osnove malotoksichnykh organicheskikh svyazuyushhikh [Basalt fiber thermal insulation materials based on low-toxic organic binders]. Moscow: Vedo, 2012

  2. Graschenkov D.V., Balinova Y.A., Tinyakova E.V. Keramicheskie volokna oksida alyuminiya i materialy na ikh osnove [Ceramic alumina fibers and fiber-based materials]. Steklo i keramika – Glass and ceramics, 2012, no. 4, pp. 32–35. In Russ.

  3. Kablov E.A., Shchetanov B.V., Ivakhnenko Yu.A., Balinova Yu.A. Perspektivnye armiruyushhie vysokotemperaturnye volokna dlya metallicheskikh i keramicheskikh kompozitsionnykh materialov [Promising high-temperature reinforcing fibers for metal and ceramic composite materials]. Аviatsionnye materialy i tekhnologii, 2005, no. 2, pp. 3–5. In Russ.

  4. Kablov E.N., Ivakhnenko Yu.A., Babashov V.G., Bespalov A.S., Bondarenko A.S., Istomin A.V. Gibkij teplozvukoizolyatsionnyj voloknistyj material nizkoj plotnosti [Low density flexible heat and sound insulation fiber material]. Patent RUS, no. 2641495, 2016. 8 p.

  5. Babashov V.G., Ivakhnenko Yu.A., Varrik N.M., Lugovoj A.A. Voloknistyj gradientnyj keramicheskij material [Fibrous gradient ceramic material]. Novosti materialovedeniya. Nauka i tekhnika – Materials science news. Science and technology. 2017, no. 2(26), 3 p. In Russ.

  6. Alifanov O.M., Cherepanov V.V. Metody issledovaniya i prognozirovaniya svojstv vysokoporistykh teplozashhitnykh materialov [Methods of research and forecasting the properties of highly porous heat-shielding materials]. Moscow: MAI Publ. House, 2014. 264 p. In Russ,

  7. Sampson W.W. Modelling Stochastic Fibrous Materials with Mathematica. Springer-Verlag London Limited, 2009. 277 p.

  8. Alifanov O.M., Cherepanov V.V. Mathematical simulation of high-porosity fibrous materials and determination of their physical properties. High Temperature, 2009, vol. 47, no. 3, pp. 438–447. DOI: 10.1134/S0018151X09030183

  9. Tahir M.A., Tafreshi H.V., Hosseini S.A., Pourdeyhimi B. Modeling the role of microstructural parameters in radiative heat transfer through disordered fibrous media. International Journal of Heat and Mass Transfer, 2010, vol. 53, no. 21–22, pp. 4629–4637. https://doi.org/10.1016/j.ijheatmasstransfer.2010. 06.030

  10. Daryabeigi K., Cunnington G.R., Knutson J.R. Combined heat transfer in high-porosity high-temperature fibrous insulation: Theory and experimental validation. Journal of Thermophysics and Heat Transfer, 2011, vol. 25, no. 4, pp. 536–546.

  11. Liu S., Chen W., Zhang Y. Design optimization of porous fibrous material for maximizing absorption of sounds under set frequency bands. Applied Acoustics, 2014, vol. 76, pp. 319–328. https://doi.org/10.1016/j.apacoust.2013.08.014

  12. Palakurthi N.K., Konangi S., Ghia U., Comer K. Microscale simulation of unidirectional capillary transport of wetting liquid through 3D fibrous porous media: Estimation of effective pore radii. International Journal of Multiphase Flow, 2015, vol. 77, pp. 48–57. https://doi.org/10.1016/ j.ijmultiphaseflow.2015.07.010

  13. Bohren C.F., Huffman D.R. Pogloshhenie i rasseyanie sveta malymi chastitsami [Absorption and scattering of light by small particles]. Moscow: Mir, 1986. 664 p. In Russ.

  14. Kondratenko A.V., Moiseev S.S., Petrov V.A., Stepanov S.V. Experimental determination of optical properties of fibrous quartz thermal insulation. High Temperature, 1991, vol. 29, no. 1, pp. 126–129

  15. Babashov V.G. Gibkie vysokotemperaturnye teploizolyatsionnye materialy na osnove mullitokorundovykh volokon. Diss. cand. tekhn. nauk [Flexible high-temperature thermal insulation materials based on mullite-corundum fibers. Cand. eng. sci. diss]. Мoscow: VIAM, 2015. 147 p.

  16. Leko V.K., Mazurin O.V. Svojstva kvartsevogo stekla [Quartz glass properties]. Leningrad: Nauka, 1985. 166 p.

  17. Thermodynamic Properties of Individual Substances. Eds. L.V. Gurvich, I.V. Veyts, C.B. Alcock. Table Editor: V.S. Iorish. Volume 2. Elements C, Si, Ge, Sn, Pb, and Their Compounds. Hemisphere Publishing Corporation, 1990. Part Two. Tables. XII+372 pp.

  18. Thermodynamic Properties of Individual Substances. Eds. L.V. Gurvich, I.V. Veyts, C.B.Alcock. Table Editor: V.S. Iorish. Volume 3. Elements B, Al, Ga, In, Tl, Be, Mg, Ca, Sr, Ba, and Their Compounds. CRC Press and Begell House, 1994. Part Two. Tables. XV+448 pp.

  19. Hildmann B., Schneider H. Heat capacity of mullite – new data and evidence for a high-temperature phase transformation. Journal of the American Ceramic Society, 2008, vol. 87, no. 2, pp. 237–239.

  20. Materials Science and Engineering Handbook. Eds. J.F. Shackelford and W. Alexander. Boca Raton: CRC Press LLC, 2001. 1980 p.

  21. Rodriguez-de Marcos L.V., Larruquert J.I., Mendez J.A., Aznarez J.A. Self-consistent optical constants of SiO2 and Ta2O5 films. Opt. Matter Express, 2016, vol. 6, no. 11, pp. 3622‒3637. DOI: 10.1364/OME.6.003622

  22. Kischkat J., Peters S., Gruska B., Semtsiv M., Chashnikova M., Klinkmuller M., Fedosenko O., Mochulik S., Aleksandrova A., Monastyrsyi G., Florez Y., Masslenik W.T. Mid-infrared optical properties of thin films of aluminium oxide, titanium dioxide, silicon dioxide, aluminium nitride, and silicon nitride. Appl. Opt., 2012, vol. 51, no. 28, pp. 6789‒6798. https://doi.org/10.1364/AO.51.006789

  23. Popova S., Tolstykh T., Vorobev V. Optical characteristics of amorphous quartz in the 1400-200 1/cm region. Opt. Spectrosc., 1972, vol. 33, pp. 444‒445.

  24. Kitamura R., Pilon L., Jonasz M. Optical constants of silica glass from extreme ultraviolet to far infrafed at near room temperature. Appl. Opt., 2007, vol. 46, no. 33, P. 8118‒8133. DOI: 10.1364/AO.46.008118

  25. Querry M.R. J. Optical constants. Contractor Report CRDC-CR-85034, 1985.

  26. Hagemann H.-J., Gudat W., Kunz C. Optical constants from the far infrared to the x-ray region: Mg, Al, Cu, Ag, Au, Bi, C and Al2O3. J. Opt. Soc. Am., 1975, vol. 65, no. 6, pp. 742‒744. https://doi.org/10.1364/JOSA.65.000742

  27. Vargaftik N.B. Spravochnik po teplofizicheskim svojstvam gazov i zhidkostej [Handbook on thermophysical properties of gases and liquids]. Moscow: Fiziko-matematicheskaya literatura, 1968. 721 p.

  28. Alifanov O.M., Cherepanov V.V., Shchurik A.G., Mironov R.A. Calculation of characteristics of reticular materials based on a glassy carbon by its optical constants determined experimentally. Journal of Engineering Physics and Thermophysics, 2020, vol. 93, no. 3, pp. 710‒718.

mai.ru — informational site of MAI

Copyright © 2009-2024 by MAI