Self-healing of deformation damage in underaged Al–Cu–Mg alloys
The generation and evolution of open volume defects in underaged and T3 Al–Cu–Mg alloy is studied with positron annihilation spectroscopy. During room temperature ageing the positron lifetime in plastically deformed, underaged material approaches the saturation lifetime of the undeformed material. D...
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Veröffentlicht in: | Scripta materialia 2008-05, Vol.58 (9), p.719-722 |
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creator | Hautakangas, S. Schut, H. van Dijk, N.H. Rivera Díaz del Castillo, P.E.J. van der Zwaag, S. |
description | The generation and evolution of open volume defects in underaged and T3 Al–Cu–Mg alloy is studied with positron annihilation spectroscopy. During room temperature ageing the positron lifetime in plastically deformed, underaged material approaches the saturation lifetime of the undeformed material. Doppler-broadening results indicate that this behaviour can be attributed to diffusion and clustering of retained solute Cu atoms at the deformation defects, a process of relevance for the introduction of a self-healing mechanism in age-hardenable aluminium alloys. |
doi_str_mv | 10.1016/j.scriptamat.2007.11.039 |
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During room temperature ageing the positron lifetime in plastically deformed, underaged material approaches the saturation lifetime of the undeformed material. Doppler-broadening results indicate that this behaviour can be attributed to diffusion and clustering of retained solute Cu atoms at the deformation defects, a process of relevance for the introduction of a self-healing mechanism in age-hardenable aluminium alloys.</description><identifier>ISSN: 1359-6462</identifier><identifier>EISSN: 1872-8456</identifier><identifier>DOI: 10.1016/j.scriptamat.2007.11.039</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Age hardening ; Alloys ; Aluminium alloys ; Aluminum base alloys ; Defects ; Deformation ; Diffusion ; Evolution ; Positron annihilation ; Positrons ; Precipitation ; Self-healing</subject><ispartof>Scripta materialia, 2008-05, Vol.58 (9), p.719-722</ispartof><rights>2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c448t-6b55af1b931ec5cb17408ff7846dca85bdb1780939faaac73ff5b4f7e7a0f1dd3</citedby><cites>FETCH-LOGICAL-c448t-6b55af1b931ec5cb17408ff7846dca85bdb1780939faaac73ff5b4f7e7a0f1dd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1359646207008548$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Hautakangas, S.</creatorcontrib><creatorcontrib>Schut, H.</creatorcontrib><creatorcontrib>van Dijk, N.H.</creatorcontrib><creatorcontrib>Rivera Díaz del Castillo, P.E.J.</creatorcontrib><creatorcontrib>van der Zwaag, S.</creatorcontrib><title>Self-healing of deformation damage in underaged Al–Cu–Mg alloys</title><title>Scripta materialia</title><description>The generation and evolution of open volume defects in underaged and T3 Al–Cu–Mg alloy is studied with positron annihilation spectroscopy. During room temperature ageing the positron lifetime in plastically deformed, underaged material approaches the saturation lifetime of the undeformed material. Doppler-broadening results indicate that this behaviour can be attributed to diffusion and clustering of retained solute Cu atoms at the deformation defects, a process of relevance for the introduction of a self-healing mechanism in age-hardenable aluminium alloys.</description><subject>Age hardening</subject><subject>Alloys</subject><subject>Aluminium alloys</subject><subject>Aluminum base alloys</subject><subject>Defects</subject><subject>Deformation</subject><subject>Diffusion</subject><subject>Evolution</subject><subject>Positron annihilation</subject><subject>Positrons</subject><subject>Precipitation</subject><subject>Self-healing</subject><issn>1359-6462</issn><issn>1872-8456</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFkE1OwzAQhSMEEqVwB68QmwQ78V-WJeJPKmIBrC3HHhdXaVLsFKk77sANOQmuisQONjNPo-89aV6WIYILggm_XBbRBL8e9UqPRYmxKAgpcFUfZBMiRZlLyvhh0hWrc055eZydxLjEGHNSkknWPEHn8lfQne8XaHDIghtCyvJDj2wKXQDyPdr0FkLSFs26r4_PZpPGwwLprhu28TQ7crqLcPazp9nLzfVzc5fPH2_vm9k8N5TKMectY9qRtq4IGGZaIiiWzglJuTVastamk8R1VTuttRGVc6ylToDQ2BFrq2l2vs9dh-FtA3FUKx8NdJ3uYdhEVZWcSVqLBF78CRIsS1JzxsuEyj1qwhBjAKfWwa902CZI7QpWS_VbsNoVrAhRqeBkvdpbIf387iEk0ENvwPoAZlR28P-HfAPatYvK</recordid><startdate>20080501</startdate><enddate>20080501</enddate><creator>Hautakangas, S.</creator><creator>Schut, H.</creator><creator>van Dijk, N.H.</creator><creator>Rivera Díaz del Castillo, P.E.J.</creator><creator>van der Zwaag, S.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8FD</scope><scope>JG9</scope><scope>7SR</scope><scope>8BQ</scope></search><sort><creationdate>20080501</creationdate><title>Self-healing of deformation damage in underaged Al–Cu–Mg alloys</title><author>Hautakangas, S. ; Schut, H. ; van Dijk, N.H. ; Rivera Díaz del Castillo, P.E.J. ; van der Zwaag, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-6b55af1b931ec5cb17408ff7846dca85bdb1780939faaac73ff5b4f7e7a0f1dd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Age hardening</topic><topic>Alloys</topic><topic>Aluminium alloys</topic><topic>Aluminum base alloys</topic><topic>Defects</topic><topic>Deformation</topic><topic>Diffusion</topic><topic>Evolution</topic><topic>Positron annihilation</topic><topic>Positrons</topic><topic>Precipitation</topic><topic>Self-healing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hautakangas, S.</creatorcontrib><creatorcontrib>Schut, H.</creatorcontrib><creatorcontrib>van Dijk, N.H.</creatorcontrib><creatorcontrib>Rivera Díaz del Castillo, P.E.J.</creatorcontrib><creatorcontrib>van der Zwaag, S.</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><jtitle>Scripta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hautakangas, S.</au><au>Schut, H.</au><au>van Dijk, N.H.</au><au>Rivera Díaz del Castillo, P.E.J.</au><au>van der Zwaag, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self-healing of deformation damage in underaged Al–Cu–Mg alloys</atitle><jtitle>Scripta materialia</jtitle><date>2008-05-01</date><risdate>2008</risdate><volume>58</volume><issue>9</issue><spage>719</spage><epage>722</epage><pages>719-722</pages><issn>1359-6462</issn><eissn>1872-8456</eissn><abstract>The generation and evolution of open volume defects in underaged and T3 Al–Cu–Mg alloy is studied with positron annihilation spectroscopy. During room temperature ageing the positron lifetime in plastically deformed, underaged material approaches the saturation lifetime of the undeformed material. Doppler-broadening results indicate that this behaviour can be attributed to diffusion and clustering of retained solute Cu atoms at the deformation defects, a process of relevance for the introduction of a self-healing mechanism in age-hardenable aluminium alloys.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.scriptamat.2007.11.039</doi><tpages>4</tpages></addata></record> |
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subjects | Age hardening Alloys Aluminium alloys Aluminum base alloys Defects Deformation Diffusion Evolution Positron annihilation Positrons Precipitation Self-healing |
title | Self-healing of deformation damage in underaged Al–Cu–Mg alloys |
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