Структурно-фазовые особенности поверхностного слоя мелких и крупных СВС-TiNi гранул А. С. Гарин, Е. С. Марченко, Г. А. Байгонакова
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ArticleContent type: Текст Media type: электронный Other title: Structural-phase features of the surface layer of small and large SHS-TiNi granules [Parallel title]Subject(s): пористые сплавы | никелид титана | самораспространяющийся высокотемпературный синтез | фазовый состав | сравнительный анализGenre/Form: статьи в сборниках Online resources: Click here to access online
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Перспективы развития фундаментальных наук. Т. 1 : сборник научных трудов XVIII Международной конференции студентов, аспирантов и молодых ученых, 27–30 апреля 2021 г Т. 1 : Физика. С. 88-90Abstract: This work presents a study of the composition and structure of SHS-TiNi surface layers obtained under different initial conditions. It was established by the GIXRD method that the effect of reaction gases in small porous SHS-TiNi samples is minimal; therefore, the volume fraction of the surface oxycarbonitride Ti4Ni2O (C, N) layer is much lower. In the large-porous samples of SHS-TiNi, the amorphous-nanocrystalline oxycarbonitride phase Ti4Ni2O (C, N) is the main phase of the surface layers of large granules with a degree of crystallinity up to 70 %. It was found in large-porous SHS-TiNi samples that the Ti4Ni2O(C, N) phase is the main phase of the surface layers o f large granules. The presence of glass and cermet phases was found in small porous samples: NiSi2, NaAlSiO(SO4), SiO2, MgSi2, CaCO3.
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This work presents a study of the composition and structure of SHS-TiNi surface layers obtained under different initial conditions. It was established by the GIXRD method that the effect of reaction gases in small porous SHS-TiNi samples is minimal; therefore, the volume fraction of the surface oxycarbonitride Ti4Ni2O (C, N) layer is much lower. In the large-porous samples of SHS-TiNi, the amorphous-nanocrystalline oxycarbonitride phase Ti4Ni2O (C, N) is the main phase of the surface layers of large granules with a degree of crystallinity up to 70 %. It was found in large-porous SHS-TiNi samples that the Ti4Ni2O(C, N) phase is the main phase of the surface layers o f large granules. The presence of glass and cermet phases was found in small porous samples: NiSi2, NaAlSiO(SO4), SiO2, MgSi2, CaCO3.
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