Role of temper conditions on the hydrogen embrittlement behavior of AA 7010
•Crack growth rates of the modified aged AA 7010 alloy was on par with over aged temper in 3.5 wt.% NaCl.•EAC resistant tempers of AA 7010 were not always immune to HE.•Hydrogen evolution due to anodic dissolution of grain boundary precipitates played a key role in the SCC/HE behavior. This paper re...
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| Veröffentlicht in: | Corrosion science 2019-05, Vol.152, p.211-217 |
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| creator | Krishnan, M. Ajay Raja, V.S. |
| description | •Crack growth rates of the modified aged AA 7010 alloy was on par with over aged temper in 3.5 wt.% NaCl.•EAC resistant tempers of AA 7010 were not always immune to HE.•Hydrogen evolution due to anodic dissolution of grain boundary precipitates played a key role in the SCC/HE behavior.
This paper reports an attempt to understand the influence of temper conditions on the hydrogen embrittlement (HE) behaviour of AA 7010. A novel heat treatment technique reported in this paper exhibited crack growth rates on par with over aged temper in 3.5 wt.% NaCl under freely corroding conditions (@OCP). Copper enrichment on the grain boundary precipitates curtailed the hydrogen evolution and enhanced the alloy resistance to hydrogen embrittlement (@OCP) for both the temper conditions. |
| doi_str_mv | 10.1016/j.corsci.2019.03.004 |
| format | Article |
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This paper reports an attempt to understand the influence of temper conditions on the hydrogen embrittlement (HE) behaviour of AA 7010. A novel heat treatment technique reported in this paper exhibited crack growth rates on par with over aged temper in 3.5 wt.% NaCl under freely corroding conditions (@OCP). Copper enrichment on the grain boundary precipitates curtailed the hydrogen evolution and enhanced the alloy resistance to hydrogen embrittlement (@OCP) for both the temper conditions.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2019.03.004</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Aluminum alloys ; Crack propagation ; Grain boundaries ; Heat treating ; Heat treatment ; Hydrogen ; Hydrogen embrittlement ; Hydrogen evolution ; Nickel ; Precipitates ; Slow strain rate tests ; Stress corrosion cracking ; Temper (metallurgical)</subject><ispartof>Corrosion science, 2019-05, Vol.152, p.211-217</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-9aa51937c5d23d435d9b3705b134e2706773dc008676283325f357cc4baf8a293</citedby><cites>FETCH-LOGICAL-c400t-9aa51937c5d23d435d9b3705b134e2706773dc008676283325f357cc4baf8a293</cites><orcidid>0000-0002-6195-003X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.corsci.2019.03.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27911,27912,45982</link.rule.ids></links><search><creatorcontrib>Krishnan, M. Ajay</creatorcontrib><creatorcontrib>Raja, V.S.</creatorcontrib><title>Role of temper conditions on the hydrogen embrittlement behavior of AA 7010</title><title>Corrosion science</title><description>•Crack growth rates of the modified aged AA 7010 alloy was on par with over aged temper in 3.5 wt.% NaCl.•EAC resistant tempers of AA 7010 were not always immune to HE.•Hydrogen evolution due to anodic dissolution of grain boundary precipitates played a key role in the SCC/HE behavior.
This paper reports an attempt to understand the influence of temper conditions on the hydrogen embrittlement (HE) behaviour of AA 7010. A novel heat treatment technique reported in this paper exhibited crack growth rates on par with over aged temper in 3.5 wt.% NaCl under freely corroding conditions (@OCP). Copper enrichment on the grain boundary precipitates curtailed the hydrogen evolution and enhanced the alloy resistance to hydrogen embrittlement (@OCP) for both the temper conditions.</description><subject>Aluminum alloys</subject><subject>Crack propagation</subject><subject>Grain boundaries</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>Hydrogen</subject><subject>Hydrogen embrittlement</subject><subject>Hydrogen evolution</subject><subject>Nickel</subject><subject>Precipitates</subject><subject>Slow strain rate tests</subject><subject>Stress corrosion cracking</subject><subject>Temper (metallurgical)</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAURYMoOI7-AxcB160vSds0G2EY_MIBQRTchTZ5dVJmmjHNCPPvzVDXrt7m3Ht5h5BrBjkDVt32ufFhNC7nwFQOIgcoTsiM1VJlUKjqlMwAGGRK1J_n5GIcewBILMzIy5vfIPUdjbjdYaDGD9ZF54eR-oHGNdL1wQb_hQPFbRtcjBvc4hBpi-vmx_lwzC4WVKa2S3LWNZsRr_7unHw83L8vn7LV6-PzcrHKTAEQM9U0JVNCmtJyYQtRWtUKCWXLRIFcQiWlsAagrmTFayF42YlSGlO0TVc3XIk5uZl6d8F_73GMuvf7MKRJzTkva2C85okqJsoEP44BO70LbtuEg2agj9p0rydt-qhNg9BJW4rdTTFMH_w4DDoROBi0LqCJ2nr3f8EvZP91jw</recordid><startdate>20190515</startdate><enddate>20190515</enddate><creator>Krishnan, M. Ajay</creator><creator>Raja, V.S.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-6195-003X</orcidid></search><sort><creationdate>20190515</creationdate><title>Role of temper conditions on the hydrogen embrittlement behavior of AA 7010</title><author>Krishnan, M. Ajay ; Raja, V.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-9aa51937c5d23d435d9b3705b134e2706773dc008676283325f357cc4baf8a293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum alloys</topic><topic>Crack propagation</topic><topic>Grain boundaries</topic><topic>Heat treating</topic><topic>Heat treatment</topic><topic>Hydrogen</topic><topic>Hydrogen embrittlement</topic><topic>Hydrogen evolution</topic><topic>Nickel</topic><topic>Precipitates</topic><topic>Slow strain rate tests</topic><topic>Stress corrosion cracking</topic><topic>Temper (metallurgical)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Krishnan, M. Ajay</creatorcontrib><creatorcontrib>Raja, V.S.</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Krishnan, M. Ajay</au><au>Raja, V.S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Role of temper conditions on the hydrogen embrittlement behavior of AA 7010</atitle><jtitle>Corrosion science</jtitle><date>2019-05-15</date><risdate>2019</risdate><volume>152</volume><spage>211</spage><epage>217</epage><pages>211-217</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>•Crack growth rates of the modified aged AA 7010 alloy was on par with over aged temper in 3.5 wt.% NaCl.•EAC resistant tempers of AA 7010 were not always immune to HE.•Hydrogen evolution due to anodic dissolution of grain boundary precipitates played a key role in the SCC/HE behavior.
This paper reports an attempt to understand the influence of temper conditions on the hydrogen embrittlement (HE) behaviour of AA 7010. A novel heat treatment technique reported in this paper exhibited crack growth rates on par with over aged temper in 3.5 wt.% NaCl under freely corroding conditions (@OCP). Copper enrichment on the grain boundary precipitates curtailed the hydrogen evolution and enhanced the alloy resistance to hydrogen embrittlement (@OCP) for both the temper conditions.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2019.03.004</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-6195-003X</orcidid></addata></record> |
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| ispartof | Corrosion science, 2019-05, Vol.152, p.211-217 |
| issn | 0010-938X 1879-0496 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Aluminum alloys Crack propagation Grain boundaries Heat treating Heat treatment Hydrogen Hydrogen embrittlement Hydrogen evolution Nickel Precipitates Slow strain rate tests Stress corrosion cracking Temper (metallurgical) |
| title | Role of temper conditions on the hydrogen embrittlement behavior of AA 7010 |
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