Corrosion and optimum corrosion protection potential of friction stir welded 5083-O Al alloy for leisure ship
Electrochemical tests were undertaken to determine the optimum conditions in seawater for corrosion protection of friction stir-welded 5083-O Al alloy. Polarization trend observations show that the limiting potential that avoids the effects of hydrogen embrittlement is -1.6 V, corresponding to the c...
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| Veröffentlicht in: | Transactions of Nonferrous Metals Society of China 2009-08, Vol.19 (4), p.898-903 |
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| container_title | Transactions of Nonferrous Metals Society of China |
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| creator | PARK, Sung-Hyeon KIM, Jong-Shin HAN, Min-Su KIM, Seong-Jong |
| description | Electrochemical tests were undertaken to determine the optimum conditions in seawater for corrosion protection of friction stir-welded 5083-O Al alloy. Polarization trend observations show that the limiting potential that avoids the effects of hydrogen embrittlement is -1.6 V, corresponding to the crossover point between concentration polarization and activation polarization. However, the optimum protection potential is between -1.5 and -0.7 V since the current density at these values is low in the potentiostatic tests. When a galvanic cell is formed in the seawater, the welds exhibit electrochemically stable trends. Welded parts in galvanic tests with various area ratios are stable and have excellent anticorrosion characteristics. |
| doi_str_mv | 10.1016/S1003-6326(08)60373-8 |
| format | Article |
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Polarization trend observations show that the limiting potential that avoids the effects of hydrogen embrittlement is -1.6 V, corresponding to the crossover point between concentration polarization and activation polarization. However, the optimum protection potential is between -1.5 and -0.7 V since the current density at these values is low in the potentiostatic tests. When a galvanic cell is formed in the seawater, the welds exhibit electrochemically stable trends. 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Welded parts in galvanic tests with various area ratios are stable and have excellent anticorrosion characteristics.</description><subject>5083-O Al alloy</subject><subject>electrochemical test</subject><subject>hydrogen embrittlement</subject><subject>optimum protection potential</subject><subject>polarization</subject><subject>保护电位</subject><subject>搅拌摩擦焊接</subject><subject>海水腐蚀</subject><subject>铝合金</subject><issn>1003-6326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkDtPwzAUhTOARCn8BCSLAcEQsOP40QlVFS-pUgdgthznpjU4cWsnoP570qbqynSPju7j3C9Jrgi-J5jwh3eCMU05zfgtlnccU0FTeZKMjvZZch7jF8Z5zjkZJfXMh-Cj9Q3STYn8urV1VyNzdNfBt2DavexV01rtkK9QFezgxtYG9AuuhBIxLGm6QFOHtHN-iyofkAMbuwAoruz6IjmttItweajj5PP56WP2ms4XL2-z6Tw1lIs2zRmbcGE4aMZ5ljNhoCwKJotSai6Ygayscm7yLCtIzoU0YpJJOqGVlGRCBKPj5GbY26ffdBBbVdtowDndgO-iormgmPFdIxsaTf9uDFCpdbC1DltFsNoBVXugakdOYan2QJXs5x6HOei_-LEQVDQWmj6nDT0tVXr774brw-WVb5Yb2yxVoc13ZR0oSjLCqMD0D2rTits</recordid><startdate>20090801</startdate><enddate>20090801</enddate><creator>PARK, Sung-Hyeon</creator><creator>KIM, Jong-Shin</creator><creator>HAN, Min-Su</creator><creator>KIM, Seong-Jong</creator><general>Elsevier Ltd</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090801</creationdate><title>Corrosion and optimum corrosion protection potential of friction stir welded 5083-O Al alloy for leisure ship</title><author>PARK, Sung-Hyeon ; KIM, Jong-Shin ; HAN, Min-Su ; KIM, Seong-Jong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-455967c6ea5662457cedbb58bd8a675ce2df46c422b14678c7928393f88191753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>5083-O Al alloy</topic><topic>electrochemical test</topic><topic>hydrogen embrittlement</topic><topic>optimum protection potential</topic><topic>polarization</topic><topic>保护电位</topic><topic>搅拌摩擦焊接</topic><topic>海水腐蚀</topic><topic>铝合金</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>PARK, Sung-Hyeon</creatorcontrib><creatorcontrib>KIM, Jong-Shin</creatorcontrib><creatorcontrib>HAN, Min-Su</creatorcontrib><creatorcontrib>KIM, Seong-Jong</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Transactions of Nonferrous Metals Society of China</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>PARK, Sung-Hyeon</au><au>KIM, Jong-Shin</au><au>HAN, Min-Su</au><au>KIM, Seong-Jong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Corrosion and optimum corrosion protection potential of friction stir welded 5083-O Al alloy for leisure ship</atitle><jtitle>Transactions of Nonferrous Metals Society of China</jtitle><addtitle>Transactions of Nonferrous Metals Society of China</addtitle><date>2009-08-01</date><risdate>2009</risdate><volume>19</volume><issue>4</issue><spage>898</spage><epage>903</epage><pages>898-903</pages><issn>1003-6326</issn><abstract>Electrochemical tests were undertaken to determine the optimum conditions in seawater for corrosion protection of friction stir-welded 5083-O Al alloy. Polarization trend observations show that the limiting potential that avoids the effects of hydrogen embrittlement is -1.6 V, corresponding to the crossover point between concentration polarization and activation polarization. However, the optimum protection potential is between -1.5 and -0.7 V since the current density at these values is low in the potentiostatic tests. When a galvanic cell is formed in the seawater, the welds exhibit electrochemically stable trends. Welded parts in galvanic tests with various area ratios are stable and have excellent anticorrosion characteristics.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/S1003-6326(08)60373-8</doi><tpages>6</tpages></addata></record> |
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| subjects | 5083-O Al alloy electrochemical test hydrogen embrittlement optimum protection potential polarization 保护电位 搅拌摩擦焊接 海水腐蚀 铝合金 |
| title | Corrosion and optimum corrosion protection potential of friction stir welded 5083-O Al alloy for leisure ship |
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