Investigation on laser beam remelted Al-Cu-Li alloy part II: Corrosion behavior and mechanical properties
•The equiaxed zone shows the highest sensitivity to localized corrosion.•Aging treatment decreases the corrosion resistance of the fusion zone.•The weld transforms from intergranular corrosion to pitting corrosion after aging.•Aging strengthens the fusion zone but lowers its ductility. The present w...
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| Veröffentlicht in: | Journal of alloys and compounds 2021-08, Vol.873, p.159765, Article 159765 |
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| container_title | Journal of alloys and compounds |
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| creator | Lei, Xiaowei Nuam, Vung Lam Yuan, Yinxiao Bai, Yang Yao, Wenjing Wang, Nan |
| description | •The equiaxed zone shows the highest sensitivity to localized corrosion.•Aging treatment decreases the corrosion resistance of the fusion zone.•The weld transforms from intergranular corrosion to pitting corrosion after aging.•Aging strengthens the fusion zone but lowers its ductility.
The present work analyzed the effect of aging on the corrosion and mechanical properties of laser beam remelted 2A97 Al-Cu-Li alloy. Electrochemical measurements and immersion tests were performed to study the corrosion behavior. Tensile and microhardness tests were used to investigate the strength, ductility, and hardness of the specimens. We found that the corrosion degree declines dramatically from the edge to center of the fusion zone, and the EQZ is most sensitive to localized corrosion. The corrosion resistance of the fusion zone is lowered by aging treatment. Moreover, the dominant corrosion feature transforms from intergranular corrosion to pitting corrosion by 175 °C of aging. The strength and hardness increase with aging temperature while the ductility declines distinctly. Our work can provide an in-depth understanding of the effect of aging on the corrosion and mechanical behaviors of laser beam remelted Al-Cu-Li alloys. |
| doi_str_mv | 10.1016/j.jallcom.2021.159765 |
| format | Article |
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The present work analyzed the effect of aging on the corrosion and mechanical properties of laser beam remelted 2A97 Al-Cu-Li alloy. Electrochemical measurements and immersion tests were performed to study the corrosion behavior. Tensile and microhardness tests were used to investigate the strength, ductility, and hardness of the specimens. We found that the corrosion degree declines dramatically from the edge to center of the fusion zone, and the EQZ is most sensitive to localized corrosion. The corrosion resistance of the fusion zone is lowered by aging treatment. Moreover, the dominant corrosion feature transforms from intergranular corrosion to pitting corrosion by 175 °C of aging. The strength and hardness increase with aging temperature while the ductility declines distinctly. Our work can provide an in-depth understanding of the effect of aging on the corrosion and mechanical behaviors of laser beam remelted Al-Cu-Li alloys.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2021.159765</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Aging ; Al-Cu-Li alloy ; Alloys ; Aluminum base alloys ; Copper ; Corrosion ; Corrosion effects ; Corrosion resistance ; Corrosion resistant alloys ; Corrosion tests ; Ductility ; Ductility tests ; Immersion tests (corrosion) ; Intergranular corrosion ; Laser beam remelting ; Laser beams ; Lasers ; Localized corrosion ; Mechanical properties ; Mechanical property ; Microhardness ; Pitting (corrosion)</subject><ispartof>Journal of alloys and compounds, 2021-08, Vol.873, p.159765, Article 159765</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Aug 25, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-fe1b4765f553b0541898ac93fd62ee7c4fd0e5467d75f4778146e993978696f93</citedby><cites>FETCH-LOGICAL-c337t-fe1b4765f553b0541898ac93fd62ee7c4fd0e5467d75f4778146e993978696f93</cites><orcidid>0000-0002-8666-6860</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0925838821011749$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Lei, Xiaowei</creatorcontrib><creatorcontrib>Nuam, Vung Lam</creatorcontrib><creatorcontrib>Yuan, Yinxiao</creatorcontrib><creatorcontrib>Bai, Yang</creatorcontrib><creatorcontrib>Yao, Wenjing</creatorcontrib><creatorcontrib>Wang, Nan</creatorcontrib><title>Investigation on laser beam remelted Al-Cu-Li alloy part II: Corrosion behavior and mechanical properties</title><title>Journal of alloys and compounds</title><description>•The equiaxed zone shows the highest sensitivity to localized corrosion.•Aging treatment decreases the corrosion resistance of the fusion zone.•The weld transforms from intergranular corrosion to pitting corrosion after aging.•Aging strengthens the fusion zone but lowers its ductility.
The present work analyzed the effect of aging on the corrosion and mechanical properties of laser beam remelted 2A97 Al-Cu-Li alloy. Electrochemical measurements and immersion tests were performed to study the corrosion behavior. Tensile and microhardness tests were used to investigate the strength, ductility, and hardness of the specimens. We found that the corrosion degree declines dramatically from the edge to center of the fusion zone, and the EQZ is most sensitive to localized corrosion. The corrosion resistance of the fusion zone is lowered by aging treatment. Moreover, the dominant corrosion feature transforms from intergranular corrosion to pitting corrosion by 175 °C of aging. The strength and hardness increase with aging temperature while the ductility declines distinctly. Our work can provide an in-depth understanding of the effect of aging on the corrosion and mechanical behaviors of laser beam remelted Al-Cu-Li alloys.</description><subject>Aging</subject><subject>Al-Cu-Li alloy</subject><subject>Alloys</subject><subject>Aluminum base alloys</subject><subject>Copper</subject><subject>Corrosion</subject><subject>Corrosion effects</subject><subject>Corrosion resistance</subject><subject>Corrosion resistant alloys</subject><subject>Corrosion tests</subject><subject>Ductility</subject><subject>Ductility tests</subject><subject>Immersion tests (corrosion)</subject><subject>Intergranular corrosion</subject><subject>Laser beam remelting</subject><subject>Laser beams</subject><subject>Lasers</subject><subject>Localized corrosion</subject><subject>Mechanical properties</subject><subject>Mechanical property</subject><subject>Microhardness</subject><subject>Pitting (corrosion)</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWKs_QQi4nppMXhM3UoqPgYIbXYc0c8dmmJnUZFrw35vS7oULd3PPOfd8CN1TsqCEysdu0dm-d2FYlKSkCyq0kuICzWilWMGl1JdoRnQpiopV1TW6SakjhFDN6Az5ejxAmvy3nXwYcZ7eJoh4A3bAEQboJ2jwsi9W-2Ltcc4Jv3hn44Tr-gmvQowhHYUb2NqDDxHbscEDuK0dvbM93sWwgzh5SLfoqrV9grvznqOv15fP1Xux_nirV8t14RhTU9EC3fD8fysE2xDBaaUr6zRrG1kCKMfbhoDgUjVKtFypinIJWjOtKqllq9kcPZx8c_TPPnczXdjHMUeaUvCSC0UFy1fidOVygRShNbvoBxt_DSXmSNV05kzVHKmaE9Wsez7pIFc4eIgmOQ-jg8ZHcJNpgv_H4Q_9FoK6</recordid><startdate>20210825</startdate><enddate>20210825</enddate><creator>Lei, Xiaowei</creator><creator>Nuam, Vung Lam</creator><creator>Yuan, Yinxiao</creator><creator>Bai, Yang</creator><creator>Yao, Wenjing</creator><creator>Wang, Nan</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-8666-6860</orcidid></search><sort><creationdate>20210825</creationdate><title>Investigation on laser beam remelted Al-Cu-Li alloy part II: Corrosion behavior and mechanical properties</title><author>Lei, Xiaowei ; Nuam, Vung Lam ; Yuan, Yinxiao ; Bai, Yang ; Yao, Wenjing ; Wang, Nan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-fe1b4765f553b0541898ac93fd62ee7c4fd0e5467d75f4778146e993978696f93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aging</topic><topic>Al-Cu-Li alloy</topic><topic>Alloys</topic><topic>Aluminum base alloys</topic><topic>Copper</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion resistance</topic><topic>Corrosion resistant alloys</topic><topic>Corrosion tests</topic><topic>Ductility</topic><topic>Ductility tests</topic><topic>Immersion tests (corrosion)</topic><topic>Intergranular corrosion</topic><topic>Laser beam remelting</topic><topic>Laser beams</topic><topic>Lasers</topic><topic>Localized corrosion</topic><topic>Mechanical properties</topic><topic>Mechanical property</topic><topic>Microhardness</topic><topic>Pitting (corrosion)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lei, Xiaowei</creatorcontrib><creatorcontrib>Nuam, Vung Lam</creatorcontrib><creatorcontrib>Yuan, Yinxiao</creatorcontrib><creatorcontrib>Bai, Yang</creatorcontrib><creatorcontrib>Yao, Wenjing</creatorcontrib><creatorcontrib>Wang, Nan</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lei, Xiaowei</au><au>Nuam, Vung Lam</au><au>Yuan, Yinxiao</au><au>Bai, Yang</au><au>Yao, Wenjing</au><au>Wang, Nan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation on laser beam remelted Al-Cu-Li alloy part II: Corrosion behavior and mechanical properties</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2021-08-25</date><risdate>2021</risdate><volume>873</volume><spage>159765</spage><pages>159765-</pages><artnum>159765</artnum><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>•The equiaxed zone shows the highest sensitivity to localized corrosion.•Aging treatment decreases the corrosion resistance of the fusion zone.•The weld transforms from intergranular corrosion to pitting corrosion after aging.•Aging strengthens the fusion zone but lowers its ductility.
The present work analyzed the effect of aging on the corrosion and mechanical properties of laser beam remelted 2A97 Al-Cu-Li alloy. Electrochemical measurements and immersion tests were performed to study the corrosion behavior. Tensile and microhardness tests were used to investigate the strength, ductility, and hardness of the specimens. We found that the corrosion degree declines dramatically from the edge to center of the fusion zone, and the EQZ is most sensitive to localized corrosion. The corrosion resistance of the fusion zone is lowered by aging treatment. Moreover, the dominant corrosion feature transforms from intergranular corrosion to pitting corrosion by 175 °C of aging. The strength and hardness increase with aging temperature while the ductility declines distinctly. Our work can provide an in-depth understanding of the effect of aging on the corrosion and mechanical behaviors of laser beam remelted Al-Cu-Li alloys.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2021.159765</doi><orcidid>https://orcid.org/0000-0002-8666-6860</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Aging Al-Cu-Li alloy Alloys Aluminum base alloys Copper Corrosion Corrosion effects Corrosion resistance Corrosion resistant alloys Corrosion tests Ductility Ductility tests Immersion tests (corrosion) Intergranular corrosion Laser beam remelting Laser beams Lasers Localized corrosion Mechanical properties Mechanical property Microhardness Pitting (corrosion) |
| title | Investigation on laser beam remelted Al-Cu-Li alloy part II: Corrosion behavior and mechanical properties |
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