Intergranular corrosion of welded joints of austenitic stainless steels studied by using an electrochemical minicell
An intergranular corrosion study of welded joints of austenitic stainless steels (AISI 304 and 316L) has been addressed. A specific small-scale electrochemical cell (minicell) has been used. Four different weldment zones have been studied. The electrochemical methods applied were the electrochemical...
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| Veröffentlicht in: | Corrosion science 2008-08, Vol.50 (8), p.2390-2397 |
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| container_title | Corrosion science |
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| creator | Garcia, C. de Tiedra, M.P. Blanco, Y. Martin, O. Martin, F. |
| description | An intergranular corrosion study of welded joints of austenitic stainless steels (AISI 304 and 316L) has been addressed. A specific small-scale electrochemical cell (minicell) has been used. Four different weldment zones have been studied. The electrochemical methods applied were the electrochemical potentiokinetic reactivation test and electrochemical potentiokinetic reactivation double loop test. These techniques showed that the HAZ was the most critical zone to intergranular corrosion for both materials. The weld metal was susceptible to interdendritic corrosion and the fusion line showed a mixture of intergranular and interdendritic corrosion. The effect of pre- and post-welding heat treatments for AISI 316L was analyzed. The HAZ was again the most critical zone in every heat treatment condition. The results were correlated to the microstructural features of the materials. |
| doi_str_mv | 10.1016/j.corsci.2008.06.016 |
| format | Article |
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A specific small-scale electrochemical cell (minicell) has been used. Four different weldment zones have been studied. The electrochemical methods applied were the electrochemical potentiokinetic reactivation test and electrochemical potentiokinetic reactivation double loop test. These techniques showed that the HAZ was the most critical zone to intergranular corrosion for both materials. The weld metal was susceptible to interdendritic corrosion and the fusion line showed a mixture of intergranular and interdendritic corrosion. The effect of pre- and post-welding heat treatments for AISI 316L was analyzed. The HAZ was again the most critical zone in every heat treatment condition. The results were correlated to the microstructural features of the materials.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2008.06.016</identifier><identifier>CODEN: CRRSAA</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>A. Stainless steel ; Applied sciences ; B. Polarization ; C. Intergranular corrosion ; C. Welding ; Corrosion ; Corrosion environments ; Exact sciences and technology ; Joining, thermal cutting: metallurgical aspects ; Metals. 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A specific small-scale electrochemical cell (minicell) has been used. Four different weldment zones have been studied. The electrochemical methods applied were the electrochemical potentiokinetic reactivation test and electrochemical potentiokinetic reactivation double loop test. These techniques showed that the HAZ was the most critical zone to intergranular corrosion for both materials. The weld metal was susceptible to interdendritic corrosion and the fusion line showed a mixture of intergranular and interdendritic corrosion. The effect of pre- and post-welding heat treatments for AISI 316L was analyzed. The HAZ was again the most critical zone in every heat treatment condition. The results were correlated to the microstructural features of the materials.</description><subject>A. Stainless steel</subject><subject>Applied sciences</subject><subject>B. Polarization</subject><subject>C. Intergranular corrosion</subject><subject>C. Welding</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Exact sciences and technology</subject><subject>Joining, thermal cutting: metallurgical aspects</subject><subject>Metals. Metallurgy</subject><subject>Welding</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kEFr3DAQhUVpoNu0_6AHXdqb3ZHXluVLIIS0DQRySSE3IUvjVItWSiW5If--Yzb0WHQY8fjmSe8x9klAK0DIr4fWplysbzsA1YJsSXzDdkKNUwP9JN-yHYCAZtqrh3fsfSkHAOhI2bF6Eyvmx2ziGkzm5JNT8SnytPBnDA4dPyQfa9kEs5aK0VdveanGx4Cl0A0xbGN1nuj5ha_Fx0duIseAtuZkf-HRWxP40UdvMYQP7GwxoeDH13nOfn67vr_60dzefb-5urxtbD9CbdRiLDgxzw734NxsllkapBBuwL5HOc6mg06aTrphGGYlOgKEmiegg4PYn7MvJ9-nnH6vWKo--rJ9wERMa9H7flJKjT2B_Qm0lL5kXPRT9keTX7QAvVWsD_pUsd4q1iA1ibT2-dXfFMq3UIvWl3-7HchxECMQd3HiqCj84zFrcsJo0flMDWmX_P8f-gsadpeW</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Garcia, C.</creator><creator>de Tiedra, M.P.</creator><creator>Blanco, Y.</creator><creator>Martin, O.</creator><creator>Martin, F.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20080801</creationdate><title>Intergranular corrosion of welded joints of austenitic stainless steels studied by using an electrochemical minicell</title><author>Garcia, C. ; de Tiedra, M.P. ; Blanco, Y. ; Martin, O. ; Martin, F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c470t-8fac0d1bbde30ddbafb6ae938d5e44e67ba2026a26d555b812fb618b90909e513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>A. Stainless steel</topic><topic>Applied sciences</topic><topic>B. Polarization</topic><topic>C. Intergranular corrosion</topic><topic>C. Welding</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Exact sciences and technology</topic><topic>Joining, thermal cutting: metallurgical aspects</topic><topic>Metals. Metallurgy</topic><topic>Welding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Garcia, C.</creatorcontrib><creatorcontrib>de Tiedra, M.P.</creatorcontrib><creatorcontrib>Blanco, Y.</creatorcontrib><creatorcontrib>Martin, O.</creatorcontrib><creatorcontrib>Martin, F.</creatorcontrib><collection>Pascal-Francis</collection><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>Garcia, C.</au><au>de Tiedra, M.P.</au><au>Blanco, Y.</au><au>Martin, O.</au><au>Martin, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intergranular corrosion of welded joints of austenitic stainless steels studied by using an electrochemical minicell</atitle><jtitle>Corrosion science</jtitle><date>2008-08-01</date><risdate>2008</risdate><volume>50</volume><issue>8</issue><spage>2390</spage><epage>2397</epage><pages>2390-2397</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><coden>CRRSAA</coden><abstract>An intergranular corrosion study of welded joints of austenitic stainless steels (AISI 304 and 316L) has been addressed. A specific small-scale electrochemical cell (minicell) has been used. Four different weldment zones have been studied. The electrochemical methods applied were the electrochemical potentiokinetic reactivation test and electrochemical potentiokinetic reactivation double loop test. These techniques showed that the HAZ was the most critical zone to intergranular corrosion for both materials. The weld metal was susceptible to interdendritic corrosion and the fusion line showed a mixture of intergranular and interdendritic corrosion. The effect of pre- and post-welding heat treatments for AISI 316L was analyzed. The HAZ was again the most critical zone in every heat treatment condition. The results were correlated to the microstructural features of the materials.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2008.06.016</doi><tpages>8</tpages></addata></record> |
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| ispartof | Corrosion science, 2008-08, Vol.50 (8), p.2390-2397 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | A. Stainless steel Applied sciences B. Polarization C. Intergranular corrosion C. Welding Corrosion Corrosion environments Exact sciences and technology Joining, thermal cutting: metallurgical aspects Metals. Metallurgy Welding |
| title | Intergranular corrosion of welded joints of austenitic stainless steels studied by using an electrochemical minicell |
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