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Ti6Al4V Parts Produced by Electron Beam Melting: Analysis of Dimensional Accuracy and Surface Roughness.

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Title: Ti6Al4V Parts Produced by Electron Beam Melting: Analysis of Dimensional Accuracy and Surface Roughness.
Authors: Borrelli, R.1 (AUTHOR), Franchitti, S.1 (AUTHOR), Pirozzi, C.1 (AUTHOR), Carrino, L.2 (AUTHOR), Nele, L.2 (AUTHOR), Polini, W.3 (AUTHOR) polini@unicas.it, Sorrentino, L.3 (AUTHOR), Corrado, A.3 (AUTHOR)
Source: Journal of Advanced Manufacturing Systems. Mar2020, Vol. 19 Issue 1, p107-130. 24p. 1 Black and White Photograph, 6 Illustrations, 5 Diagrams, 5 Charts, 8 Graphs.
Subjects: Electron beam melting, Dimensional analysis, Surface roughness, Manufacturing processes, Mechanical engineering, Titanium powder, Metal powders
Abstract: Additive manufacturing (AM), applied to metal industry, is a family of processes that allows complex shape components to be realized from raw materials in the form of powders. Electron beam melting (EBM) is a relatively new additive manufacturing (AM) technology. Similar to electron-beam welding, EBM utilizes a high-energy electron beam as a moving heat source to melt metal powder, and 3D parts are produced in a layer-building fashion by rapid self-cooling. By EBM, it is possible to realize metallic complex shape components, e.g. fine network structures, internal cavities and channels, which are difficult to make by conventional manufacturing means. This feature is of particular interest in titanium industry in which numerous efforts are done to develop near net shape processes. In the field of mechanical engineering and, in particular, in the aerospace industry, it is crucial for quality certification purpose that components are produced through qualified and robust manufacturing processes ensuring high product repeatability. The contribution of the present work is to experimentally identify the EBM job parameters (sample orientation, location of the sample in the layer and height in the build chamber) that influence the dimensional accuracy and the surface roughness of the manufactured parts in Ti6Al4V. The repeatability of EBM is investigated too. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Advanced Manufacturing Systems is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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DbLabel: Engineering Source
An: 142205326
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PubType: Academic Journal
PubTypeId: academicJournal
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IllustrationInfo
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  Group: Ti
  Data: Ti6Al4V Parts Produced by Electron Beam Melting: Analysis of Dimensional Accuracy and Surface Roughness.
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  Data: <searchLink fieldCode="AR" term="%22Borrelli%2C+R%2E%22">Borrelli, R.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Franchitti%2C+S%2E%22">Franchitti, S.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pirozzi%2C+C%2E%22">Pirozzi, C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Carrino%2C+L%2E%22">Carrino, L.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nele%2C+L%2E%22">Nele, L.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Polini%2C+W%2E%22">Polini, W.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> polini@unicas.it</i><br /><searchLink fieldCode="AR" term="%22Sorrentino%2C+L%2E%22">Sorrentino, L.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Corrado%2C+A%2E%22">Corrado, A.</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Advanced+Manufacturing+Systems%22">Journal of Advanced Manufacturing Systems</searchLink>. Mar2020, Vol. 19 Issue 1, p107-130. 24p. 1 Black and White Photograph, 6 Illustrations, 5 Diagrams, 5 Charts, 8 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Electron+beam+melting%22">Electron beam melting</searchLink><br /><searchLink fieldCode="DE" term="%22Dimensional+analysis%22">Dimensional analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+roughness%22">Surface roughness</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+engineering%22">Mechanical engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium+powder%22">Titanium powder</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+powders%22">Metal powders</searchLink>
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  Label: Abstract
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  Data: Additive manufacturing (AM), applied to metal industry, is a family of processes that allows complex shape components to be realized from raw materials in the form of powders. Electron beam melting (EBM) is a relatively new additive manufacturing (AM) technology. Similar to electron-beam welding, EBM utilizes a high-energy electron beam as a moving heat source to melt metal powder, and 3D parts are produced in a layer-building fashion by rapid self-cooling. By EBM, it is possible to realize metallic complex shape components, e.g. fine network structures, internal cavities and channels, which are difficult to make by conventional manufacturing means. This feature is of particular interest in titanium industry in which numerous efforts are done to develop near net shape processes. In the field of mechanical engineering and, in particular, in the aerospace industry, it is crucial for quality certification purpose that components are produced through qualified and robust manufacturing processes ensuring high product repeatability. The contribution of the present work is to experimentally identify the EBM job parameters (sample orientation, location of the sample in the layer and height in the build chamber) that influence the dimensional accuracy and the surface roughness of the manufactured parts in Ti6Al4V. The repeatability of EBM is investigated too. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Advanced Manufacturing Systems is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1142/S0219686720500067
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        Text: English
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      – SubjectFull: Dimensional analysis
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      – SubjectFull: Surface roughness
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      – SubjectFull: Manufacturing processes
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      – SubjectFull: Mechanical engineering
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      – SubjectFull: Titanium powder
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      – SubjectFull: Metal powders
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      – TitleFull: Ti6Al4V Parts Produced by Electron Beam Melting: Analysis of Dimensional Accuracy and Surface Roughness.
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              Text: Mar2020
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