Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150
The tensile properties, exfoliation corrosion behavior and microstructures of the retrogression and re-aging (RRA) treated aluminum (Al) alloy AA7150 were studied. AA7150 was retrogressed at different temperatures (175 °C, 185 °C and 195 °C) for various times. It is found that as the hardness of the...
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| Veröffentlicht in: | Materials characterization 2009-11, Vol.60 (11), p.1334-1341 |
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| creator | Li, J.F. Birbilis, N. Li, C.X. Jia, Z.Q. Cai, B. Zheng, Z.Q. |
| description | The tensile properties, exfoliation corrosion behavior and microstructures of the retrogression and re-aging (RRA) treated aluminum (Al) alloy AA7150 were studied. AA7150 was retrogressed at different temperatures (175
°C, 185
°C and 195
°C) for various times. It is found that as the hardness of the retrogressed AA7150 approaches the near-peak condition, the corresponding RRA treated AA7150 possesses good exfoliation corrosion resistance without strength loss. By retrogressing at 175
°C, the retrogression time can be extended to 3
h, the RRA treated AA7150 possesses a strength as high as that of conventional AA7150-T6, and its exfoliation corrosion resistance is in the vicinity to that of AA7150-T73. This enhanced exfoliation corrosion resistance was associated with the more separated η precipitates at the grain boundary. AA7150-T6 is mainly strengthened by fine GP zones with high number density, while the intra-grain micro-structure of AA7150-RRA retrogressed at 175
°C for 3
h is characterized by relatively coarse η′ precipitates. |
| doi_str_mv | 10.1016/j.matchar.2009.06.007 |
| format | Article |
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°C, 185
°C and 195
°C) for various times. It is found that as the hardness of the retrogressed AA7150 approaches the near-peak condition, the corresponding RRA treated AA7150 possesses good exfoliation corrosion resistance without strength loss. By retrogressing at 175
°C, the retrogression time can be extended to 3
h, the RRA treated AA7150 possesses a strength as high as that of conventional AA7150-T6, and its exfoliation corrosion resistance is in the vicinity to that of AA7150-T73. This enhanced exfoliation corrosion resistance was associated with the more separated η precipitates at the grain boundary. AA7150-T6 is mainly strengthened by fine GP zones with high number density, while the intra-grain micro-structure of AA7150-RRA retrogressed at 175
°C for 3
h is characterized by relatively coarse η′ precipitates.</description><identifier>ISSN: 1044-5803</identifier><identifier>EISSN: 1873-4189</identifier><identifier>DOI: 10.1016/j.matchar.2009.06.007</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>AA7150 alloy ; Applied sciences ; Corrosion ; Corrosion environments ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Exfoliation corrosion ; Materials science ; Mechanical properties ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Physics ; Retrogression and re-aging (RRA) ; Solidification</subject><ispartof>Materials characterization, 2009-11, Vol.60 (11), p.1334-1341</ispartof><rights>2009 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c370t-7f1f526d57ce2f3b7c2cbbcc7d2781114ebe7a0621cd0b8cb77f88913762533d3</citedby><cites>FETCH-LOGICAL-c370t-7f1f526d57ce2f3b7c2cbbcc7d2781114ebe7a0621cd0b8cb77f88913762533d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matchar.2009.06.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22040697$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, J.F.</creatorcontrib><creatorcontrib>Birbilis, N.</creatorcontrib><creatorcontrib>Li, C.X.</creatorcontrib><creatorcontrib>Jia, Z.Q.</creatorcontrib><creatorcontrib>Cai, B.</creatorcontrib><creatorcontrib>Zheng, Z.Q.</creatorcontrib><title>Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150</title><title>Materials characterization</title><description>The tensile properties, exfoliation corrosion behavior and microstructures of the retrogression and re-aging (RRA) treated aluminum (Al) alloy AA7150 were studied. AA7150 was retrogressed at different temperatures (175
°C, 185
°C and 195
°C) for various times. It is found that as the hardness of the retrogressed AA7150 approaches the near-peak condition, the corresponding RRA treated AA7150 possesses good exfoliation corrosion resistance without strength loss. By retrogressing at 175
°C, the retrogression time can be extended to 3
h, the RRA treated AA7150 possesses a strength as high as that of conventional AA7150-T6, and its exfoliation corrosion resistance is in the vicinity to that of AA7150-T73. This enhanced exfoliation corrosion resistance was associated with the more separated η precipitates at the grain boundary. AA7150-T6 is mainly strengthened by fine GP zones with high number density, while the intra-grain micro-structure of AA7150-RRA retrogressed at 175
°C for 3
h is characterized by relatively coarse η′ precipitates.</description><subject>AA7150 alloy</subject><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Exfoliation corrosion</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>Retrogression and re-aging (RRA)</subject><subject>Solidification</subject><issn>1044-5803</issn><issn>1873-4189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkcFO3DAQhqOKSgXaR0DKpdwSxnYSJye0Qm1BQuICZ8uZjFmvknhrO6g8Am9dh11x5TSj0Tf_7_mdZRcMSgasudqVk4641b7kAF0JTQkgv2SnrJWiqFjbnaQeqqqoWxDfsrMQdgDQtEyeZm93sxkXmpFyZ3JP0btnTyFYN-eRpj15HRdPuZ6HPNopUWm-pXyiZDhb1GO-9y5h0VJ4p-ifcaPVcVVA57171-ppq1-s86uLHpfJznaZUje613yzkayG79lXo8dAP471PHv6_evx5ra4f_hzd7O5L1BIiIU0zNS8GWqJxI3oJXLse0Q5cNkyxirqSWpoOMMB-hZ7KU3bdkzIhtdCDOI8uzzopnf_XShENdmANI56JrcEJaoOuIA6gfUBxHRD8GTU3ttJ-1fFQK3Bq506Bq_W4BU0KgWf9n4eDXRI-RivZ7ThY5lzqKDpVu76wFG69sWSVwHt-hOD9YRRDc5-4vQfjoae0g</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Li, J.F.</creator><creator>Birbilis, N.</creator><creator>Li, C.X.</creator><creator>Jia, Z.Q.</creator><creator>Cai, B.</creator><creator>Zheng, Z.Q.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SE</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20091101</creationdate><title>Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150</title><author>Li, J.F. ; Birbilis, N. ; Li, C.X. ; Jia, Z.Q. ; Cai, B. ; Zheng, Z.Q.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-7f1f526d57ce2f3b7c2cbbcc7d2781114ebe7a0621cd0b8cb77f88913762533d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>AA7150 alloy</topic><topic>Applied sciences</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Exfoliation corrosion</topic><topic>Materials science</topic><topic>Mechanical properties</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>Retrogression and re-aging (RRA)</topic><topic>Solidification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, J.F.</creatorcontrib><creatorcontrib>Birbilis, N.</creatorcontrib><creatorcontrib>Li, C.X.</creatorcontrib><creatorcontrib>Jia, Z.Q.</creatorcontrib><creatorcontrib>Cai, B.</creatorcontrib><creatorcontrib>Zheng, Z.Q.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials characterization</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, J.F.</au><au>Birbilis, N.</au><au>Li, C.X.</au><au>Jia, Z.Q.</au><au>Cai, B.</au><au>Zheng, Z.Q.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150</atitle><jtitle>Materials characterization</jtitle><date>2009-11-01</date><risdate>2009</risdate><volume>60</volume><issue>11</issue><spage>1334</spage><epage>1341</epage><pages>1334-1341</pages><issn>1044-5803</issn><eissn>1873-4189</eissn><abstract>The tensile properties, exfoliation corrosion behavior and microstructures of the retrogression and re-aging (RRA) treated aluminum (Al) alloy AA7150 were studied. AA7150 was retrogressed at different temperatures (175
°C, 185
°C and 195
°C) for various times. It is found that as the hardness of the retrogressed AA7150 approaches the near-peak condition, the corresponding RRA treated AA7150 possesses good exfoliation corrosion resistance without strength loss. By retrogressing at 175
°C, the retrogression time can be extended to 3
h, the RRA treated AA7150 possesses a strength as high as that of conventional AA7150-T6, and its exfoliation corrosion resistance is in the vicinity to that of AA7150-T73. This enhanced exfoliation corrosion resistance was associated with the more separated η precipitates at the grain boundary. AA7150-T6 is mainly strengthened by fine GP zones with high number density, while the intra-grain micro-structure of AA7150-RRA retrogressed at 175
°C for 3
h is characterized by relatively coarse η′ precipitates.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><doi>10.1016/j.matchar.2009.06.007</doi><tpages>8</tpages></addata></record> |
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| ispartof | Materials characterization, 2009-11, Vol.60 (11), p.1334-1341 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | AA7150 alloy Applied sciences Corrosion Corrosion environments Cross-disciplinary physics: materials science rheology Exact sciences and technology Exfoliation corrosion Materials science Mechanical properties Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Retrogression and re-aging (RRA) Solidification |
| title | Influence of retrogression temperature and time on the mechanical properties and exfoliation corrosion behavior of aluminium alloy AA7150 |
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