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Conference Paper/Proceeding/Abstract 677 views

A Novel Approach to Small Punch Fatigue Testing

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

Key Engineering Materials, Volume: 734, Pages: 61 - 69

Swansea University Author: Robert Lancaster Orcid Logo

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Abstract

Miniaturised mechanical test approaches are now widely recognised as an established means of obtaining useful mechanical property information from limited material quantities. To date these methods have largely been adopted to characterise the creep, tensile and fracture characteristics of numerous...

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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/cronfa31863
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first_indexed 2017-02-06T14:42:14Z
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spelling 2017-03-02T11:37:50.0354515 v2 31863 2017-02-06 A Novel Approach to Small Punch Fatigue Testing e1a1b126acd3e4ff734691ec34967f29 0000-0002-1365-6944 Robert Lancaster Robert Lancaster true false 2017-02-06 MTLS Miniaturised mechanical test approaches are now widely recognised as an established means of obtaining useful mechanical property information from limited material quantities. To date these methods have largely been adopted to characterise the creep, tensile and fracture characteristics of numerous material systems from a range of industrial applications. One method developed for miniaturised testing is the small punch test. Many international institutions and research faculties have now made a significant investment in realising the potential that small punch testing has to offer. However, limited success has been made in replicating a miniaturised test approach for determining the cyclic fatigue properties of a small punch disc due to the complex biaxial stress field that typically occurs in any small punch test. Therefore, to realise such an approach and to interpret the fatigue behaviour of small scale components, the mechanical test arrangement must clearly be of a highly bespoke nature. This paper will discuss the ongoing research and progress in developing a novel small punch fatigue testing facility at the Institute of Structural Materials in Swansea University. Several experiments have been performed on the titanium alloy Ti-6Al-4V at ambient room temperature and effort has been made to understand the complex damage mechanism. Conference Paper/Proceeding/Abstract Key Engineering Materials 734 61 69 1013-9826 Fatigue, Small Punch, Ti-6Al-4V 1 4 2017 2017-04-01 10.4028/www.scientific.net/KEM.734.61 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2017-03-02T11:37:50.0354515 2017-02-06T09:15:51.2855232 College of Engineering Engineering Robert Lancaster 0000-0002-1365-6944 1 Henry Illsley 2 Roger Hurst 3 Spencer Jeffs 4 Gavin Baxter 5
title A Novel Approach to Small Punch Fatigue Testing
spellingShingle A Novel Approach to Small Punch Fatigue Testing
Robert Lancaster
title_short A Novel Approach to Small Punch Fatigue Testing
title_full A Novel Approach to Small Punch Fatigue Testing
title_fullStr A Novel Approach to Small Punch Fatigue Testing
title_full_unstemmed A Novel Approach to Small Punch Fatigue Testing
title_sort A Novel Approach to Small Punch Fatigue Testing
author_id_str_mv e1a1b126acd3e4ff734691ec34967f29
author_id_fullname_str_mv e1a1b126acd3e4ff734691ec34967f29_***_Robert Lancaster
author Robert Lancaster
author2 Robert Lancaster
Henry Illsley
Roger Hurst
Spencer Jeffs
Gavin Baxter
format Conference Paper/Proceeding/Abstract
container_title Key Engineering Materials
container_volume 734
container_start_page 61
publishDate 2017
institution Swansea University
issn 1013-9826
doi_str_mv 10.4028/www.scientific.net/KEM.734.61
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 Miniaturised mechanical test approaches are now widely recognised as an established means of obtaining useful mechanical property information from limited material quantities. To date these methods have largely been adopted to characterise the creep, tensile and fracture characteristics of numerous material systems from a range of industrial applications. One method developed for miniaturised testing is the small punch test. Many international institutions and research faculties have now made a significant investment in realising the potential that small punch testing has to offer. However, limited success has been made in replicating a miniaturised test approach for determining the cyclic fatigue properties of a small punch disc due to the complex biaxial stress field that typically occurs in any small punch test. Therefore, to realise such an approach and to interpret the fatigue behaviour of small scale components, the mechanical test arrangement must clearly be of a highly bespoke nature. This paper will discuss the ongoing research and progress in developing a novel small punch fatigue testing facility at the Institute of Structural Materials in Swansea University. Several experiments have been performed on the titanium alloy Ti-6Al-4V at ambient room temperature and effort has been made to understand the complex damage mechanism.
published_date 2017-04-01T03:43:46Z
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