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Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys

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

MATEC Web of Conferences, Volume: 165, Start page: 02003

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

Abstract

Additive layer manufacturing (ALM) processes are becoming increasingly prevalent in the aerospace industry as design engineers look to profit from the numerous advantages that these advanced techniques can offer. However, given the safety critical nature and arduous operating conditions to which the...

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Published in: MATEC Web of Conferences
ISSN: 2261-236X
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa40700
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first_indexed 2018-06-13T13:29:06Z
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spelling 2018-09-04T10:42:58.0328959 v2 40700 2018-06-13 Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys e1a1b126acd3e4ff734691ec34967f29 0000-0002-1365-6944 Robert Lancaster Robert Lancaster true false 6ff76d567df079d8bf299990849c3d8f 0000-0002-2819-9651 Spencer Jeffs Spencer Jeffs true false 2018-06-13 MTLS Additive layer manufacturing (ALM) processes are becoming increasingly prevalent in the aerospace industry as design engineers look to profit from the numerous advantages that these advanced techniques can offer. However, given the safety critical nature and arduous operating conditions to which these components will be exposed to whilst in service, it is essential that the mechanical properties of such structures are fully understood. Transient microstructures are a typical characteristic of ALM components and resulting from the thermal cycles that occur during the build operation. Those microstructures make any mechanical assessment an involved procedure when assessing the process variables for any given parameter set. A useful mechanical test technique is small-scale testing, in particular, the small punch (SP) test. SP testing is capable of localised sampling of a larger scale component and presents an attractive option to mechanically assess complex parts with representative geometries, that would not be possible using more conventional uniaxial test approaches. This paper will present the recent development of a small-scale testing methodology capable of inducing fatigue damage and a series of novel tests performed on different variants of Ti-6Al-4V. Journal Article MATEC Web of Conferences 165 02003 2261-236X 31 12 2018 2018-12-31 10.1051/matecconf/201816502003 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2018-09-04T10:42:58.0328959 2018-06-13T12:32:14.6619564 College of Engineering Engineering Robert Lancaster 0000-0002-1365-6944 1 Henry Illsley 2 Spencer Jeffs 0000-0002-2819-9651 3 Roger Hurst 4 Gavin Baxter 5 0040700-13062018123505.pdf lancaster2018(2).pdf 2018-06-13T12:35:05.5000000 Output 802364 application/pdf Version of Record true 2018-06-13T00:00:00.0000000 true eng
title Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
spellingShingle Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
Robert Lancaster
Spencer Jeffs
title_short Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
title_full Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
title_fullStr Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
title_full_unstemmed Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
title_sort Application of the small punch test to determine the fatigue properties of additive manufactured aerospace alloys
author_id_str_mv e1a1b126acd3e4ff734691ec34967f29
6ff76d567df079d8bf299990849c3d8f
author_id_fullname_str_mv e1a1b126acd3e4ff734691ec34967f29_***_Robert Lancaster
6ff76d567df079d8bf299990849c3d8f_***_Spencer Jeffs
author Robert Lancaster
Spencer Jeffs
author2 Robert Lancaster
Henry Illsley
Spencer Jeffs
Roger Hurst
Gavin Baxter
format Journal article
container_title MATEC Web of Conferences
container_volume 165
container_start_page 02003
publishDate 2018
institution Swansea University
issn 2261-236X
doi_str_mv 10.1051/matecconf/201816502003
college_str College of Engineering
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hierarchy_top_id collegeofengineering
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 layer manufacturing (ALM) processes are becoming increasingly prevalent in the aerospace industry as design engineers look to profit from the numerous advantages that these advanced techniques can offer. However, given the safety critical nature and arduous operating conditions to which these components will be exposed to whilst in service, it is essential that the mechanical properties of such structures are fully understood. Transient microstructures are a typical characteristic of ALM components and resulting from the thermal cycles that occur during the build operation. Those microstructures make any mechanical assessment an involved procedure when assessing the process variables for any given parameter set. A useful mechanical test technique is small-scale testing, in particular, the small punch (SP) test. SP testing is capable of localised sampling of a larger scale component and presents an attractive option to mechanically assess complex parts with representative geometries, that would not be possible using more conventional uniaxial test approaches. This paper will present the recent development of a small-scale testing methodology capable of inducing fatigue damage and a series of novel tests performed on different variants of Ti-6Al-4V.
published_date 2018-12-31T03:55:02Z
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