Influence of pH value, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy weldments
► Extruded AZ61A Mg alloy plate of 6mm thick was welded using FSW process. ► Effect of pH, Cl− concentration and immersion time on the corrosion rate was studied. ► Corrosion rate was evaluated from weight loss method. ► Empirical relationship was developed to predict the corrosion rate. ► Lower cor...
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| Veröffentlicht in: | Journal of alloys and compounds 2012-05, Vol.523, p.49-60 |
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| creator | Dhanapal, A. Rajendra Boopathy, S. Balasubramanian, V. |
| description | ► Extruded AZ61A Mg alloy plate of 6mm thick was welded using FSW process. ► Effect of pH, Cl− concentration and immersion time on the corrosion rate was studied. ► Corrosion rate was evaluated from weight loss method. ► Empirical relationship was developed to predict the corrosion rate. ► Lower corrosion rate was found at low concentrated solutions with higher pH and exposure times.
Magnesium alloys have gained considerable interest as a structural material for automotive and aerospace applications due to its low-density, high specific strength and good castability. As a consequence, this light alloys have a promising future. The limitation of low corrosion resistance restricts their practical applications. The corrosion behavior of friction stir welded AZ61A magnesium alloy welds was investigated by Immersion technique. Extruded Mg alloy plates of 6mm thick of AZ61A grade were butt welded using friction stir welding (FSW) process. The present paper reveals the effect of pH, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy welds in NaCl solution. The corrosion rate was evaluated from weight loss measurements. Furthermore, an attempt was made to develop an empirical relationship to predict the effect of pH value, chloride ion concentration and immersion time on corrosion rate of AZ61A magnesium alloy welds. The corrosion morphology observation was carried out by optical microscopy and the corrosion products were analyzed by SEM and XRD analysis. |
| doi_str_mv | 10.1016/j.jallcom.2012.01.070 |
| format | Article |
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Magnesium alloys have gained considerable interest as a structural material for automotive and aerospace applications due to its low-density, high specific strength and good castability. As a consequence, this light alloys have a promising future. The limitation of low corrosion resistance restricts their practical applications. The corrosion behavior of friction stir welded AZ61A magnesium alloy welds was investigated by Immersion technique. Extruded Mg alloy plates of 6mm thick of AZ61A grade were butt welded using friction stir welding (FSW) process. The present paper reveals the effect of pH, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy welds in NaCl solution. The corrosion rate was evaluated from weight loss measurements. Furthermore, an attempt was made to develop an empirical relationship to predict the effect of pH value, chloride ion concentration and immersion time on corrosion rate of AZ61A magnesium alloy welds. The corrosion morphology observation was carried out by optical microscopy and the corrosion products were analyzed by SEM and XRD analysis.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2012.01.070</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Applied sciences ; Chlorides ; Corrosion ; Corrosion mechanisms ; Corrosion rate ; Exact sciences and technology ; Friction stir welding ; Immersion ; Immersion test ; Ion concentration ; Joining, thermal cutting: metallurgical aspects ; Magnesium alloy ; Magnesium base alloys ; Metals. Metallurgy ; Weight loss ; Welded joints ; Welding</subject><ispartof>Journal of alloys and compounds, 2012-05, Vol.523, p.49-60</ispartof><rights>2012 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-37e3a2740c27797ca2269723fcd00f2d64a9b13b5c7cc183147cd433260176ea3</citedby><cites>FETCH-LOGICAL-c372t-37e3a2740c27797ca2269723fcd00f2d64a9b13b5c7cc183147cd433260176ea3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0925838812001429$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25727116$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Dhanapal, A.</creatorcontrib><creatorcontrib>Rajendra Boopathy, S.</creatorcontrib><creatorcontrib>Balasubramanian, V.</creatorcontrib><title>Influence of pH value, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy weldments</title><title>Journal of alloys and compounds</title><description>► Extruded AZ61A Mg alloy plate of 6mm thick was welded using FSW process. ► Effect of pH, Cl− concentration and immersion time on the corrosion rate was studied. ► Corrosion rate was evaluated from weight loss method. ► Empirical relationship was developed to predict the corrosion rate. ► Lower corrosion rate was found at low concentrated solutions with higher pH and exposure times.
Magnesium alloys have gained considerable interest as a structural material for automotive and aerospace applications due to its low-density, high specific strength and good castability. As a consequence, this light alloys have a promising future. The limitation of low corrosion resistance restricts their practical applications. The corrosion behavior of friction stir welded AZ61A magnesium alloy welds was investigated by Immersion technique. Extruded Mg alloy plates of 6mm thick of AZ61A grade were butt welded using friction stir welding (FSW) process. The present paper reveals the effect of pH, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy welds in NaCl solution. The corrosion rate was evaluated from weight loss measurements. Furthermore, an attempt was made to develop an empirical relationship to predict the effect of pH value, chloride ion concentration and immersion time on corrosion rate of AZ61A magnesium alloy welds. The corrosion morphology observation was carried out by optical microscopy and the corrosion products were analyzed by SEM and XRD analysis.</description><subject>Applied sciences</subject><subject>Chlorides</subject><subject>Corrosion</subject><subject>Corrosion mechanisms</subject><subject>Corrosion rate</subject><subject>Exact sciences and technology</subject><subject>Friction stir welding</subject><subject>Immersion</subject><subject>Immersion test</subject><subject>Ion concentration</subject><subject>Joining, thermal cutting: metallurgical aspects</subject><subject>Magnesium alloy</subject><subject>Magnesium base alloys</subject><subject>Metals. Metallurgy</subject><subject>Weight loss</subject><subject>Welded joints</subject><subject>Welding</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkcFu1DAQhi0EEkvpIyD5gsSBBI-d2MkJrSqglSr1Ui69WO7YAa_seLGzRX0Jnhlnd8WVkzWe75_f85uQd8BaYCA_7dqdCQFTbDkD3jJomWIvyAYGJZpOyvEl2bCR980ghuE1eVPKjjEGo4AN-XMzT-HgZnQ0TXR_TZ9MLT9S_BlS9tZRn2aKqfbnJZtlrcxsqY_R5bJWi49VujI5p-NNxY7DpuzxKCiLz_S3C9ZZun2QsKXR_Jhd8YdI68PT87EZq0N5S15NJhR3eT4vyPevX-6vrpvbu283V9vbBoXiSyOUE4arjiFXalRoOJej4mJCy9jErezM-AjisUeFCIOATqHthOCSgZLOiAvy4TR3n9OvgyuLjr6gC8HMLh2KBqlAdJz1fUX7E4p1v5LdpPfZR5OfNTC95q93-py_XvPXDHTNv-reny1MQROmbGb05Z-Y94orAFm5zyfO1X2fvMu6oF8_xPrscNE2-f84_QX48Z9z</recordid><startdate>20120515</startdate><enddate>20120515</enddate><creator>Dhanapal, A.</creator><creator>Rajendra Boopathy, S.</creator><creator>Balasubramanian, V.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20120515</creationdate><title>Influence of pH value, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy weldments</title><author>Dhanapal, A. ; Rajendra Boopathy, S. ; Balasubramanian, V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c372t-37e3a2740c27797ca2269723fcd00f2d64a9b13b5c7cc183147cd433260176ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Chlorides</topic><topic>Corrosion</topic><topic>Corrosion mechanisms</topic><topic>Corrosion rate</topic><topic>Exact sciences and technology</topic><topic>Friction stir welding</topic><topic>Immersion</topic><topic>Immersion test</topic><topic>Ion concentration</topic><topic>Joining, thermal cutting: metallurgical aspects</topic><topic>Magnesium alloy</topic><topic>Magnesium base alloys</topic><topic>Metals. Metallurgy</topic><topic>Weight loss</topic><topic>Welded joints</topic><topic>Welding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dhanapal, A.</creatorcontrib><creatorcontrib>Rajendra Boopathy, S.</creatorcontrib><creatorcontrib>Balasubramanian, V.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dhanapal, A.</au><au>Rajendra Boopathy, S.</au><au>Balasubramanian, V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of pH value, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy weldments</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2012-05-15</date><risdate>2012</risdate><volume>523</volume><spage>49</spage><epage>60</epage><pages>49-60</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>► Extruded AZ61A Mg alloy plate of 6mm thick was welded using FSW process. ► Effect of pH, Cl− concentration and immersion time on the corrosion rate was studied. ► Corrosion rate was evaluated from weight loss method. ► Empirical relationship was developed to predict the corrosion rate. ► Lower corrosion rate was found at low concentrated solutions with higher pH and exposure times.
Magnesium alloys have gained considerable interest as a structural material for automotive and aerospace applications due to its low-density, high specific strength and good castability. As a consequence, this light alloys have a promising future. The limitation of low corrosion resistance restricts their practical applications. The corrosion behavior of friction stir welded AZ61A magnesium alloy welds was investigated by Immersion technique. Extruded Mg alloy plates of 6mm thick of AZ61A grade were butt welded using friction stir welding (FSW) process. The present paper reveals the effect of pH, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy welds in NaCl solution. The corrosion rate was evaluated from weight loss measurements. Furthermore, an attempt was made to develop an empirical relationship to predict the effect of pH value, chloride ion concentration and immersion time on corrosion rate of AZ61A magnesium alloy welds. The corrosion morphology observation was carried out by optical microscopy and the corrosion products were analyzed by SEM and XRD analysis.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2012.01.070</doi><tpages>12</tpages></addata></record> |
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| identifier | ISSN: 0925-8388 |
| ispartof | Journal of alloys and compounds, 2012-05, Vol.523, p.49-60 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Chlorides Corrosion Corrosion mechanisms Corrosion rate Exact sciences and technology Friction stir welding Immersion Immersion test Ion concentration Joining, thermal cutting: metallurgical aspects Magnesium alloy Magnesium base alloys Metals. Metallurgy Weight loss Welded joints Welding |
| title | Influence of pH value, chloride ion concentration and immersion time on corrosion rate of friction stir welded AZ61A magnesium alloy weldments |
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