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The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263

Robert Lancaster Orcid Logo, S.J. Davies, Spencer Jeffs Orcid Logo, D.T.S. Lewis, Mark Coleman Orcid Logo

Materials Science and Engineering: A, Volume: 801, Start page: 140409

Swansea University Authors: Robert Lancaster Orcid Logo, Spencer Jeffs Orcid Logo, Mark Coleman Orcid Logo

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Abstract

Additive manufacturing (AM) processes are currently being investigated to determine their suitability for wider adoption in the aero engine industry where material consistency and structural integrity are essential. A key driver is the ability of AM to produce near net-shape components and complex g...

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Published in: Materials Science and Engineering: A
ISSN: 0921-5093
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa55449
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spelling 2021-12-01T14:08:53.7432754 v2 55449 2020-10-19 The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263 e1a1b126acd3e4ff734691ec34967f29 0000-0002-1365-6944 Robert Lancaster Robert Lancaster true false 6ff76d567df079d8bf299990849c3d8f 0000-0002-2819-9651 Spencer Jeffs Spencer Jeffs true false 73c5735de19c8a70acb41ab788081b67 0000-0002-4628-1077 Mark Coleman Mark Coleman true false 2020-10-19 MTLS Additive manufacturing (AM) processes are currently being investigated to determine their suitability for wider adoption in the aero engine industry where material consistency and structural integrity are essential. A key driver is the ability of AM to produce near net-shape components and complex geometries, reducing material wastage and traditional processing stages. However, one major limitation remains in the anisotropic structures due to the complex thermal history of the process. Previous studies have employed heat treatment schedules attempting to alleviate such behaviour, although little research is currently available that explores microstructural evolution of AM alloys at in-service temperature conditions. In this research, the effects of thermal exposure on microstructure and mechanical behaviour of Laser Powder Bed Fused (LPBF) C263 is evaluated and assessed against a Cast equivalent. Results show that when exposing Cast and LPBF C263 samples to service temperatures for an extended period of time, the materials experience microstructural and chemical alterations directly controlling the mechanical response. The thermal exposure programme has demonstrated that with the precipitation of carbide phases in the exposed LPBF variant, grain boundary morphologies are highly comparable to the wrought equivalent of the same alloy. Journal Article Materials Science and Engineering: A 801 140409 Elsevier BV 0921-5093 C263, laser powder bed fusion, thermal exposure, microstructure 13 1 2021 2021-01-13 10.1016/j.msea.2020.140409 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2021-12-01T14:08:53.7432754 2020-10-19T12:11:31.6239189 College of Engineering Engineering Robert Lancaster 0000-0002-1365-6944 1 S.J. Davies 2 Spencer Jeffs 0000-0002-2819-9651 3 D.T.S. Lewis 4 Mark Coleman 0000-0002-4628-1077 5 55449__18452__3bda41ef499340f3974cc3c2f5db728b.pdf 55449.pdf 2020-10-19T12:51:41.9828742 Output 1628957 application/pdf Accepted Manuscript true 2021-10-21T00:00:00.0000000 © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
spellingShingle The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
Robert, Lancaster
Spencer, Jeffs
Mark, Coleman
title_short The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
title_full The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
title_fullStr The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
title_full_unstemmed The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
title_sort The effects of thermal exposure on the high temperature behaviour of a Laser Powder Bed Fused nickel based superalloy C263
author_id_str_mv e1a1b126acd3e4ff734691ec34967f29
6ff76d567df079d8bf299990849c3d8f
73c5735de19c8a70acb41ab788081b67
author_id_fullname_str_mv e1a1b126acd3e4ff734691ec34967f29_***_Robert, Lancaster_***_0000-0002-1365-6944
6ff76d567df079d8bf299990849c3d8f_***_Spencer, Jeffs_***_0000-0002-2819-9651
73c5735de19c8a70acb41ab788081b67_***_Mark, Coleman_***_0000-0002-4628-1077
author Robert, Lancaster
Spencer, Jeffs
Mark, Coleman
author2 Robert Lancaster
S.J. Davies
Spencer Jeffs
D.T.S. Lewis
Mark Coleman
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container_title Materials Science and Engineering: A
container_volume 801
container_start_page 140409
publishDate 2021
institution Swansea University
issn 0921-5093
doi_str_mv 10.1016/j.msea.2020.140409
publisher Elsevier BV
college_str College of Engineering
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hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
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description Additive manufacturing (AM) processes are currently being investigated to determine their suitability for wider adoption in the aero engine industry where material consistency and structural integrity are essential. A key driver is the ability of AM to produce near net-shape components and complex geometries, reducing material wastage and traditional processing stages. However, one major limitation remains in the anisotropic structures due to the complex thermal history of the process. Previous studies have employed heat treatment schedules attempting to alleviate such behaviour, although little research is currently available that explores microstructural evolution of AM alloys at in-service temperature conditions. In this research, the effects of thermal exposure on microstructure and mechanical behaviour of Laser Powder Bed Fused (LPBF) C263 is evaluated and assessed against a Cast equivalent. Results show that when exposing Cast and LPBF C263 samples to service temperatures for an extended period of time, the materials experience microstructural and chemical alterations directly controlling the mechanical response. The thermal exposure programme has demonstrated that with the precipitation of carbide phases in the exposed LPBF variant, grain boundary morphologies are highly comparable to the wrought equivalent of the same alloy.
published_date 2021-01-13T04:23:22Z
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