Selection of Technological Parameters of Selective Laser Melting of Mechanocomposite Ti–Nb Powder

Аннотация

Abstract—Specimens of Ti–Nb alloy were fabricated of mechanocomposite powder at the experimental installation of selective laser melting Luch; the thickness of the powder layer, the beam scanning velocity, and the laser radiation power were varied. It is revealed that the specimens with high density and homogeneous microstructure can be fabricated with the full melting of the powder layer under the conditions of optimization of the energy input. For leveling internal stresses, it is necessary to preheat the substrate, which will lead to reduction of the temperature gradient between the substrate and the layers, which are melted.

Язык оригинала	Английский
Страницы (с-по)	19-23
Число страниц	5
Журнал	Inorganic Materials: Applied Research
Том	10
Номер выпуска	1
DOI	https://doi.org/10.1134/S2075113319010155
Состояние	Опубликовано - 1 янв 2019

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

Доступ к документу

10.1134/S2075113319010155

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Цитировать

Selection of Technological Parameters of Selective Laser Melting of Mechanocomposite Ti–Nb Powder. / Kovalevskaya, Zh G.; Fedorov, V. V.; Krinitsyn, M. G.; Klochkov, N. S.; Khimich, M. A.; Sharkeev, Yu P.

В: Inorganic Materials: Applied Research, Том 10, № 1, 01.01.2019, стр. 19-23.

Результат исследований: Материалы для журнала › Статья › рецензирование

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abstract = "Abstract—Specimens of Ti–Nb alloy were fabricated of mechanocomposite powder at the experimental installation of selective laser melting Luch; the thickness of the powder layer, the beam scanning velocity, and the laser radiation power were varied. It is revealed that the specimens with high density and homogeneous microstructure can be fabricated with the full melting of the powder layer under the conditions of optimization of the energy input. For leveling internal stresses, it is necessary to preheat the substrate, which will lead to reduction of the temperature gradient between the substrate and the layers, which are melted.",

keywords = "Keywords: selective laser melting, laser beam power, laser scanning velocity, microstructure, porosity, titanium–niobium alloy",

author = "Kovalevskaya, {Zh G.} and Fedorov, {V. V.} and Krinitsyn, {M. G.} and Klochkov, {N. S.} and Khimich, {M. A.} and Sharkeev, {Yu P.}",

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doi = "10.1134/S2075113319010155",

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T1 - Selection of Technological Parameters of Selective Laser Melting of Mechanocomposite Ti–Nb Powder

AU - Kovalevskaya, Zh G.

AU - Fedorov, V. V.

AU - Krinitsyn, M. G.

AU - Klochkov, N. S.

AU - Khimich, M. A.

AU - Sharkeev, Yu P.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Abstract—Specimens of Ti–Nb alloy were fabricated of mechanocomposite powder at the experimental installation of selective laser melting Luch; the thickness of the powder layer, the beam scanning velocity, and the laser radiation power were varied. It is revealed that the specimens with high density and homogeneous microstructure can be fabricated with the full melting of the powder layer under the conditions of optimization of the energy input. For leveling internal stresses, it is necessary to preheat the substrate, which will lead to reduction of the temperature gradient between the substrate and the layers, which are melted.

AB - Abstract—Specimens of Ti–Nb alloy were fabricated of mechanocomposite powder at the experimental installation of selective laser melting Luch; the thickness of the powder layer, the beam scanning velocity, and the laser radiation power were varied. It is revealed that the specimens with high density and homogeneous microstructure can be fabricated with the full melting of the powder layer under the conditions of optimization of the energy input. For leveling internal stresses, it is necessary to preheat the substrate, which will lead to reduction of the temperature gradient between the substrate and the layers, which are melted.

KW - Keywords: selective laser melting

KW - laser beam power

KW - laser scanning velocity

KW - microstructure

KW - porosity

KW - titanium–niobium alloy

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