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Conference Paper/Proceeding/Abstract 1280 views

Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing

Henry Illsley, Robert Lancaster Orcid Logo, Roger Hurst, Spencer Jeffs, Gavin Baxter

Key Engineering Materials, Volume: 734, Pages: 51 - 60

Swansea University Author: Robert Lancaster Orcid Logo

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DOI (Published version): 10.4028/www.scientific.net/KEM.734.51

Abstract

Small punch (SP) tensile testing provides several advantages over conventional test techniques for mechanical property characterisation of components produced using novel manufacturing processes. Additive layer manufacturing (ALM) is becoming more widespread, particularly in high value manufacturing...

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Published in: Key Engineering Materials
ISSN: 1013-9826
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa31864
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first_indexed 2017-02-06T14:42:14Z
last_indexed 2018-02-09T05:19:10Z
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spelling 2017-03-02T11:39:27.6619541 v2 31864 2017-02-06 Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing e1a1b126acd3e4ff734691ec34967f29 0000-0002-1365-6944 Robert Lancaster Robert Lancaster true false 2017-02-06 MTLS Small punch (SP) tensile testing provides several advantages over conventional test techniques for mechanical property characterisation of components produced using novel manufacturing processes. Additive layer manufacturing (ALM) is becoming more widespread, particularly in high value manufacturing sectors such as the gas turbine industry as it allows near net shape manufacture of near fully dense components with complex geometries. One such ALM process which is receiving attention from the gas turbine industry is electron beam melting (EBM), a powder bed process which uses an electron beam energy source. The additive nature of ALM processes including EBM results in the microstructures produced differing significantly to those produced by conventional processing techniques. As well as being influenced by the input parameters, the microstructure and hence mechanical properties are also affected by the geometry of the component being manufactured, primarily due to the effect this has on the cooling characteristics. SP testing of material manufactured by EBM allows the mechanical property characterisation of local component representative geometries which wouldn’t be possible using conventional uniaxial testing techniques. This work is aimed towards developing and validating the SP tensile technique for this application; different Ti-6Al-4V material variants manufactured using EBM as well as conventional methods have been characterised with a range of test conditions. Conference Paper/Proceeding/Abstract Key Engineering Materials 734 51 60 1013-9826 Electron Beam Melting, Small Punch Test (SPT), Tensile, Ti-6Al-4V 1 4 2017 2017-04-01 10.4028/www.scientific.net/KEM.734.51 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2017-03-02T11:39:27.6619541 2017-02-06T09:18:41.7965155 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Henry Illsley 1 Robert Lancaster 0000-0002-1365-6944 2 Roger Hurst 3 Spencer Jeffs 4 Gavin Baxter 5
title Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
spellingShingle Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
Robert Lancaster
title_short Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
title_full Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
title_fullStr Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
title_full_unstemmed Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
title_sort Mechanical Property Characterisation of Electron Beam Melted (EBM) Ti-6Al-4V via Small Punch Tensile Testing
author_id_str_mv e1a1b126acd3e4ff734691ec34967f29
author_id_fullname_str_mv e1a1b126acd3e4ff734691ec34967f29_***_Robert Lancaster
author Robert Lancaster
author2 Henry Illsley
Robert Lancaster
Roger Hurst
Spencer Jeffs
Gavin Baxter
format Conference Paper/Proceeding/Abstract
container_title Key Engineering Materials
container_volume 734
container_start_page 51
publishDate 2017
institution Swansea University
issn 1013-9826
doi_str_mv 10.4028/www.scientific.net/KEM.734.51
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 0
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description Small punch (SP) tensile testing provides several advantages over conventional test techniques for mechanical property characterisation of components produced using novel manufacturing processes. Additive layer manufacturing (ALM) is becoming more widespread, particularly in high value manufacturing sectors such as the gas turbine industry as it allows near net shape manufacture of near fully dense components with complex geometries. One such ALM process which is receiving attention from the gas turbine industry is electron beam melting (EBM), a powder bed process which uses an electron beam energy source. The additive nature of ALM processes including EBM results in the microstructures produced differing significantly to those produced by conventional processing techniques. As well as being influenced by the input parameters, the microstructure and hence mechanical properties are also affected by the geometry of the component being manufactured, primarily due to the effect this has on the cooling characteristics. SP testing of material manufactured by EBM allows the mechanical property characterisation of local component representative geometries which wouldn’t be possible using conventional uniaxial testing techniques. This work is aimed towards developing and validating the SP tensile technique for this application; different Ti-6Al-4V material variants manufactured using EBM as well as conventional methods have been characterised with a range of test conditions.
published_date 2017-04-01T03:38:58Z
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score 10.997933

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