Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze

Electron beam additive wire-feed deposition of Cu-7.5wt.%Al bronze on a stainless-steel substrate has been carried out at heat input levels 0.21, 0.255, and 0.3 kJ/mm. The microstructures formed at 0.21 kJ/mm were characterized by the presence of both zigzagged columnar and small equiaxed grains wit...

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Autores principales:	Andrey Filippov, Nikolay Shamarin, Evgeny Moskvichev, Nikolai Savchenko, Evgeny Kolubaev, Ekaterina Khoroshko, Sergei Tarasov
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	additive manufacturing heat input bronze transition zone zigzagged columnar grains tensile strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/e08ad1037e3a4d5b9e075022db48f90a
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spelling	oai:doaj.org-article:e08ad1037e3a4d5b9e075022db48f90a2021-11-25T18:14:58ZHeat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze10.3390/ma142269481996-1944https://doaj.org/article/e08ad1037e3a4d5b9e075022db48f90a2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6948https://doaj.org/toc/1996-1944Electron beam additive wire-feed deposition of Cu-7.5wt.%Al bronze on a stainless-steel substrate has been carried out at heat input levels 0.21, 0.255, and 0.3 kJ/mm. The microstructures formed at 0.21 kJ/mm were characterized by the presence of both zigzagged columnar and small equiaxed grains with 10% of Σ3 annealing twin grain boundaries. No equiaxed grains were found in samples obtained at 0.255 and 0.3 kJ/mm. The zigzagged columnar ones were only retained in samples obtained at 0.255 kJ/mm. The fraction of Σ3 boundaries reduced at higher heat input values to 7 and 4%, respectively. The maximum tensile strength was achieved on samples obtained with 0.21 kJ/mm as tested with a tensile axis perpendicular to the deposited wall’s height. More than 100% elongation-to-fracture was achieved when testing the samples obtained at 0.3 kJ/mm (as tested with a tensile axis coinciding with the wall’s height).Andrey FilippovNikolay ShamarinEvgeny MoskvichevNikolai SavchenkoEvgeny KolubaevEkaterina KhoroshkoSergei TarasovMDPI AGarticleadditive manufacturingheat inputbronzetransition zonezigzagged columnar grainstensile strengthTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6948, p 6948 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	additive manufacturing heat input bronze transition zone zigzagged columnar grains tensile strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	additive manufacturing heat input bronze transition zone zigzagged columnar grains tensile strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Andrey Filippov Nikolay Shamarin Evgeny Moskvichev Nikolai Savchenko Evgeny Kolubaev Ekaterina Khoroshko Sergei Tarasov Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze
description	Electron beam additive wire-feed deposition of Cu-7.5wt.%Al bronze on a stainless-steel substrate has been carried out at heat input levels 0.21, 0.255, and 0.3 kJ/mm. The microstructures formed at 0.21 kJ/mm were characterized by the presence of both zigzagged columnar and small equiaxed grains with 10% of Σ3 annealing twin grain boundaries. No equiaxed grains were found in samples obtained at 0.255 and 0.3 kJ/mm. The zigzagged columnar ones were only retained in samples obtained at 0.255 kJ/mm. The fraction of Σ3 boundaries reduced at higher heat input values to 7 and 4%, respectively. The maximum tensile strength was achieved on samples obtained with 0.21 kJ/mm as tested with a tensile axis perpendicular to the deposited wall’s height. More than 100% elongation-to-fracture was achieved when testing the samples obtained at 0.3 kJ/mm (as tested with a tensile axis coinciding with the wall’s height).
format	article
author	Andrey Filippov Nikolay Shamarin Evgeny Moskvichev Nikolai Savchenko Evgeny Kolubaev Ekaterina Khoroshko Sergei Tarasov
author_facet	Andrey Filippov Nikolay Shamarin Evgeny Moskvichev Nikolai Savchenko Evgeny Kolubaev Ekaterina Khoroshko Sergei Tarasov
author_sort	Andrey Filippov
title	Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze
title_short	Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze
title_full	Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze
title_fullStr	Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze
title_full_unstemmed	Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze
title_sort	heat input effect on microstructure and mechanical properties of electron beam additive manufactured (ebam) cu-7.5wt.%al bronze
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e08ad1037e3a4d5b9e075022db48f90a
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Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze

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