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Thermal Phase Transformations in Titanium Hydride - A Filler for Special-Purpose Construction Materials
https://orcid.org/http://orcid.org/0000-0002-6413-0002
https://orcid.org/http://orcid.org/0000-0001-9806-5627
https://orcid.org/http://orcid.org/0000-0003-4012-4975
https://orcid.org/http://orcid.org/0000-0002-8967-5447
Thermal phase transformations in titanium hydride, used as a filler for special-purpose construction materials, operated in the temperature range 100–700 °C, are considered. It has been established that the phase composition of the titanium hydride fraction is represented by the main reflection TiH1.924 of the cubic crystal system with crystallographic indices hkl {111}. Heat treatment of titanium hydride in the temperature range from 300 to 400 °C, with a constant phase composition and interplanar distances, changes the intensity and broadening of the diffraction lines of the main reflection, which indicates the defective structure of the crystal. In the temperature range from 100 to 400 °C, the density of dislocations in the structure of the titanium hydride crystal increases. At 700 °C, the phase composition of titanium hydride changes with the formation of titanium oxide TiO of the hexagonal crystal structure and the rutile TiO2 phase of the tetragonal system. There is a sharp increase in the density of dislocations and the degree of defectiveness of the crystal. At titanium atoms, tetrahedral voids arise due to the dissociation of titanium hydride.
Thermal Phase Transformations in Titanium Hydride - A Filler for Special-Purpose Construction Materials
https://orcid.org/http://orcid.org/0000-0002-6413-0002
https://orcid.org/http://orcid.org/0000-0001-9806-5627
https://orcid.org/http://orcid.org/0000-0003-4012-4975
https://orcid.org/http://orcid.org/0000-0002-8967-5447
Thermal phase transformations in titanium hydride, used as a filler for special-purpose construction materials, operated in the temperature range 100–700 °C, are considered. It has been established that the phase composition of the titanium hydride fraction is represented by the main reflection TiH1.924 of the cubic crystal system with crystallographic indices hkl {111}. Heat treatment of titanium hydride in the temperature range from 300 to 400 °C, with a constant phase composition and interplanar distances, changes the intensity and broadening of the diffraction lines of the main reflection, which indicates the defective structure of the crystal. In the temperature range from 100 to 400 °C, the density of dislocations in the structure of the titanium hydride crystal increases. At 700 °C, the phase composition of titanium hydride changes with the formation of titanium oxide TiO of the hexagonal crystal structure and the rutile TiO2 phase of the tetragonal system. There is a sharp increase in the density of dislocations and the degree of defectiveness of the crystal. At titanium atoms, tetrahedral voids arise due to the dissociation of titanium hydride.
Thermal Phase Transformations in Titanium Hydride - A Filler for Special-Purpose Construction Materials
https://orcid.org/http://orcid.org/0000-0002-6413-0002
https://orcid.org/http://orcid.org/0000-0001-9806-5627
https://orcid.org/http://orcid.org/0000-0003-4012-4975
https://orcid.org/http://orcid.org/0000-0002-8967-5447
Thermal phase transformations in titanium hydride, used as a filler for special-purpose construction materials, operated in the temperature range 100–700 °C, are considered. It has been established that the phase composition of the titanium hydride fraction is represented by the main reflection TiH1.924 of the cubic crystal system with crystallographic indices hkl {111}. Heat treatment of titanium hydride in the temperature range from 300 to 400 °C, with a constant phase composition and interplanar distances, changes the intensity and broadening of the diffraction lines of the main reflection, which indicates the defective structure of the crystal. In the temperature range from 100 to 400 °C, the density of dislocations in the structure of the titanium hydride crystal increases. At 700 °C, the phase composition of titanium hydride changes with the formation of titanium oxide TiO of the hexagonal crystal structure and the rutile TiO2 phase of the tetragonal system. There is a sharp increase in the density of dislocations and the degree of defectiveness of the crystal. At titanium atoms, tetrahedral voids arise due to the dissociation of titanium hydride.
Thermal Phase Transformations in Titanium Hydride - A Filler for Special-Purpose Construction Materials
Lecture Notes in Civil Engineering
Klyuev, Sergey Vasil'yevich (Herausgeber:in) / Klyuev, Alexander Vasil'yevich (Herausgeber:in) / Vatin, Nikolay Ivanovich (Herausgeber:in) / Yastrebinsky, R. N. (Autor:in) / Karnauhov, A. A. (Autor:in) / Yastrebinskaya, A. V. (Autor:in) / Denisova, L. V. (Autor:in)
International Scientific Conference on Innovations and Technologies in Construction ; 2021 ; Belgorod, Russia
29.03.2021
6 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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