Структурные особенности сплавов на основе никелида титана с добавками титана, полученные методом диффузионного спекания А. С. Гарин, С. Г. Аникеев, Н. В. Артюхова
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ArticleContent type: Текст Media type: электронный Other title: Structural features of TiNi-based alloys with titanium additives obtained by diffusion sintering [Parallel title]Subject(s): никелид титана | диффузионное спекание | пористые сплавы | самораспространяющийся высокотемпературный синтезGenre/Form: статьи в сборниках Online resources: Click here to access online
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Перспективы развития фундаментальных наук. Т. 1 : сборник научных трудов XVII Международной конференции студентов, аспирантов и молодых ученых, Россия, Томск, 21-24 апреля 2020 г Т. 1 : Физика. С. 58-60Abstract: The selected mode of obtaining a porous TiNi-based alloy with the addition of 5 and 10 at. %o Ti is characterized by the formation of moderate and increased portions of the liquid phase, respectively. Getting alloy with 15 at. % Ti with a regular porous structure is impossible due to the formation of an excess melt volume during sintering. The data of X-ray diffraction analysis of porous TiNi-based alloy show that the alloy contains an austenitic TiNi (B2) phase, martensitic TiNi (B19’), as well as secondary phases Ti2Ni, Ti3Ni4 and traces of the TiNi3 phase. The use of the Ti additives considered allowed us to solve the problem of correcting the atomic composition of the TiNi compound.
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The selected mode of obtaining a porous TiNi-based alloy with the addition of 5 and 10 at. %o Ti is characterized by the formation of moderate and increased portions of the liquid phase, respectively. Getting alloy with 15 at. % Ti with a regular porous structure is impossible due to the formation of an excess melt volume during sintering. The data of X-ray diffraction analysis of porous TiNi-based alloy show that the alloy contains an austenitic TiNi (B2) phase, martensitic TiNi (B19’), as well as secondary phases Ti2Ni, Ti3Ni4 and traces of the TiNi3 phase. The use of the Ti additives considered allowed us to solve the problem of correcting the atomic composition of the TiNi compound.
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