Structural evolution of 321 stainless steel in electron beam freeform fabrication

Abstract

The study of the structural evolution in the specimens of austenitic steel 321 manufactured by an additive method through the melting of a wire material by an electron beam in a vacuum chamber has been carried out using optical metallography, scanning electron microscopy and EBSD analysis. Tensile properties were determined on standard dumbbell specimens. The studies of the structure and properties showed that the 3D-printed samples have a pronounced dendritic structure with a sharp fusion boundary between the substrate and the printed material. The mechanical properties of the specimens are at the level of those cast austenitic steel 321.

Original language	English
Article number	042049
Journal	Journal of Physics: Conference Series
Volume	1115
Issue number	4
DOIs	https://doi.org/10.1088/1742-6596/1115/4/042049
Publication status	Published - 27 Nov 2018
Event	6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018 - Tomsk, Russian Federation Duration: 16 Sep 2018 → 22 Sep 2018

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/1115/4/042049

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title = "Structural evolution of 321 stainless steel in electron beam freeform fabrication",

abstract = "The study of the structural evolution in the specimens of austenitic steel 321 manufactured by an additive method through the melting of a wire material by an electron beam in a vacuum chamber has been carried out using optical metallography, scanning electron microscopy and EBSD analysis. Tensile properties were determined on standard dumbbell specimens. The studies of the structure and properties showed that the 3D-printed samples have a pronounced dendritic structure with a sharp fusion boundary between the substrate and the printed material. The mechanical properties of the specimens are at the level of those cast austenitic steel 321.",

author = "Kalashnikov, {K. N.} and Khoroshko, {K. S.} and Kalashnikova, {T. A.} and Chumaevskii, {A. V.} and Filippov, {A. V.}",

year = "2018",

month = nov,

day = "27",

doi = "10.1088/1742-6596/1115/4/042049",

language = "English",

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AU - Kalashnikov, K. N.

AU - Khoroshko, K. S.

AU - Kalashnikova, T. A.

AU - Chumaevskii, A. V.

AU - Filippov, A. V.

PY - 2018/11/27

Y1 - 2018/11/27

N2 - The study of the structural evolution in the specimens of austenitic steel 321 manufactured by an additive method through the melting of a wire material by an electron beam in a vacuum chamber has been carried out using optical metallography, scanning electron microscopy and EBSD analysis. Tensile properties were determined on standard dumbbell specimens. The studies of the structure and properties showed that the 3D-printed samples have a pronounced dendritic structure with a sharp fusion boundary between the substrate and the printed material. The mechanical properties of the specimens are at the level of those cast austenitic steel 321.

AB - The study of the structural evolution in the specimens of austenitic steel 321 manufactured by an additive method through the melting of a wire material by an electron beam in a vacuum chamber has been carried out using optical metallography, scanning electron microscopy and EBSD analysis. Tensile properties were determined on standard dumbbell specimens. The studies of the structure and properties showed that the 3D-printed samples have a pronounced dendritic structure with a sharp fusion boundary between the substrate and the printed material. The mechanical properties of the specimens are at the level of those cast austenitic steel 321.

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VL - 1115

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

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T2 - 6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018

Y2 - 16 September 2018 through 22 September 2018

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Structural evolution of 321 stainless steel in electron beam freeform fabrication

Abstract

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