Journal article 1132 views
Surface topography and the impact on fatigue performance
Surface Topography: Metrology and Properties, Volume: 3, Issue: 1, Start page: 015007
Swansea University Author: Martin Bache
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DOI (Published version): 10.1088/2051-672X/3/1/015007
Abstract
Areal characterization was applied to plain fatigue specimens manufactured from a nickel-based superalloy, Alloy 720Li, to determine the impact of machined/finished surface topography on fatigue performance of this material. Samples were subjected to fatigue testing in the as-turned and shot peened...
Published in: | Surface Topography: Metrology and Properties |
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ISSN: | 2051-672X |
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2015
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URI: | https://cronfa.swan.ac.uk/Record/cronfa21055 |
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<?xml version="1.0"?><rfc1807><datestamp>2017-06-30T09:51:34.7877882</datestamp><bib-version>v2</bib-version><id>21055</id><entry>2015-05-05</entry><title>Surface topography and the impact on fatigue performance</title><swanseaauthors><author><sid>3453423659f6bcfddcd0a716c6b0e36a</sid><firstname>Martin</firstname><surname>Bache</surname><name>Martin Bache</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2015-05-05</date><deptcode>FGSEN</deptcode><abstract>Areal characterization was applied to plain fatigue specimens manufactured from a nickel-based superalloy, Alloy 720Li, to determine the impact of machined/finished surface topography on fatigue performance of this material. Samples were subjected to fatigue testing in the as-turned and shot peened conditions to study the interaction between residual stresses and topography in influencing the fatigue performance. The turning process was deliberately manipulated to produce three distinct finishes which were subsequently given an identical shot peening, resulting in six grades of surface topography. Surface topography was found to influence fatigue even in the presence of peened compressive residual stresses by promoting crack initiation at valley sites. Both the roughness amplitude and spatial characteristics of the surface were found to be important when correlating to fatigue performance.</abstract><type>Journal Article</type><journal>Surface Topography: Metrology and Properties</journal><volume>3</volume><journalNumber>1</journalNumber><paginationStart>015007</paginationStart><publisher/><issnPrint>2051-672X</issnPrint><keywords>topography; fatigue, nickel</keywords><publishedDay>2</publishedDay><publishedMonth>3</publishedMonth><publishedYear>2015</publishedYear><publishedDate>2015-03-02</publishedDate><doi>10.1088/2051-672X/3/1/015007</doi><url/><notes></notes><college>COLLEGE NANME</college><department>Science and Engineering - Faculty</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>FGSEN</DepartmentCode><institution>Swansea University</institution><apcterm/><lastEdited>2017-06-30T09:51:34.7877882</lastEdited><Created>2015-05-05T21:26:37.6931164</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Engineering and Applied Sciences - Uncategorised</level></path><authors><author><firstname>D</firstname><surname>Ardi</surname><order>1</order></author><author><firstname>Y.G.</firstname><surname>Li</surname><order>2</order></author><author><firstname>K.H.K.</firstname><surname>Chan</surname><order>3</order></author><author><firstname>L.</firstname><surname>Blunt</surname><order>4</order></author><author><firstname>Martin</firstname><surname>Bache</surname><order>5</order></author></authors><documents/><OutputDurs/></rfc1807> |
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2017-06-30T09:51:34.7877882 v2 21055 2015-05-05 Surface topography and the impact on fatigue performance 3453423659f6bcfddcd0a716c6b0e36a Martin Bache Martin Bache true false 2015-05-05 FGSEN Areal characterization was applied to plain fatigue specimens manufactured from a nickel-based superalloy, Alloy 720Li, to determine the impact of machined/finished surface topography on fatigue performance of this material. Samples were subjected to fatigue testing in the as-turned and shot peened conditions to study the interaction between residual stresses and topography in influencing the fatigue performance. The turning process was deliberately manipulated to produce three distinct finishes which were subsequently given an identical shot peening, resulting in six grades of surface topography. Surface topography was found to influence fatigue even in the presence of peened compressive residual stresses by promoting crack initiation at valley sites. Both the roughness amplitude and spatial characteristics of the surface were found to be important when correlating to fatigue performance. Journal Article Surface Topography: Metrology and Properties 3 1 015007 2051-672X topography; fatigue, nickel 2 3 2015 2015-03-02 10.1088/2051-672X/3/1/015007 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2017-06-30T09:51:34.7877882 2015-05-05T21:26:37.6931164 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised D Ardi 1 Y.G. Li 2 K.H.K. Chan 3 L. Blunt 4 Martin Bache 5 |
title |
Surface topography and the impact on fatigue performance |
spellingShingle |
Surface topography and the impact on fatigue performance Martin Bache |
title_short |
Surface topography and the impact on fatigue performance |
title_full |
Surface topography and the impact on fatigue performance |
title_fullStr |
Surface topography and the impact on fatigue performance |
title_full_unstemmed |
Surface topography and the impact on fatigue performance |
title_sort |
Surface topography and the impact on fatigue performance |
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3453423659f6bcfddcd0a716c6b0e36a |
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3453423659f6bcfddcd0a716c6b0e36a_***_Martin Bache |
author |
Martin Bache |
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D Ardi Y.G. Li K.H.K. Chan L. Blunt Martin Bache |
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Surface Topography: Metrology and Properties |
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015007 |
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Faculty of Science and Engineering |
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description |
Areal characterization was applied to plain fatigue specimens manufactured from a nickel-based superalloy, Alloy 720Li, to determine the impact of machined/finished surface topography on fatigue performance of this material. Samples were subjected to fatigue testing in the as-turned and shot peened conditions to study the interaction between residual stresses and topography in influencing the fatigue performance. The turning process was deliberately manipulated to produce three distinct finishes which were subsequently given an identical shot peening, resulting in six grades of surface topography. Surface topography was found to influence fatigue even in the presence of peened compressive residual stresses by promoting crack initiation at valley sites. Both the roughness amplitude and spatial characteristics of the surface were found to be important when correlating to fatigue performance. |
published_date |
2015-03-02T03:24:57Z |
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1763750861543047168 |
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11.021648 |