Another grain boundary corrosion process in sensitized stainless steel
This work investigates the intergranular corrosion of a sensitized Type 430 stainless steel in 1 N H sub 2 SO sub 4 . Once the grain boundary groove is formed by dissolution of the Cr-depleted material, a second form of localized corrosion commences within minutes and replaces the Cr-depletion mecha...
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Veröffentlicht in: | Journal of the Electrochemical Society 1993-11, Vol.140 (11), p.3134-3140 |
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container_title | Journal of the Electrochemical Society |
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creator | KELLY, W. K IYER, R. N PICKERING, H. W |
description | This work investigates the intergranular corrosion of a sensitized Type 430 stainless steel in 1 N H sub 2 SO sub 4 . Once the grain boundary groove is formed by dissolution of the Cr-depleted material, a second form of localized corrosion commences within minutes and replaces the Cr-depletion mechanism. The second mechanism attacks both the bulk grains (of normal Cr content) and the Cr-depleted alloy. This is shown by groove widths that are much larger than the Cr-depleted zone widths. Gas bubbles, deduced to be hydrogen, egress from the grain boundary grooves, indicating a sizable potential drop within the grooves and the likelihood that the second corrosion process is caused by the IR phenomenon recently found to account for crevice corrosion in iron. The IR mechanism could also account for the observed corrosion under the lacquer at the sample edges. |
doi_str_mv | 10.1149/1.2220998 |
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The IR mechanism could also account for the observed corrosion under the lacquer at the sample edges.</description><identifier>ISSN: 0013-4651</identifier><identifier>EISSN: 1945-7111</identifier><identifier>DOI: 10.1149/1.2220998</identifier><identifier>CODEN: JESOAN</identifier><language>eng</language><publisher>Pennington, NJ: Electrochemical Society</publisher><subject>360105 - Metals & Alloys- Corrosion & Erosion ; ALLOYS ; Applied sciences ; CHEMICAL REACTION KINETICS ; CHEMICAL REACTIONS ; CHROMIUM ALLOYS ; CHROMIUM STEELS ; CORROSION ; Corrosion environments ; CORROSION RESISTANT ALLOYS ; CORROSIVE EFFECTS ; CROLOY ; Exact sciences and technology ; FERRITIC STEELS ; HEAT RESISTANT MATERIALS ; HEAT RESISTING ALLOYS ; HIGH ALLOY STEELS ; HYDROGEN COMPOUNDS ; INORGANIC ACIDS ; INTERGRANULAR CORROSION ; IRON ALLOYS ; IRON BASE ALLOYS ; KINETICS ; MATERIALS ; MATERIALS SCIENCE ; Metals. Metallurgy ; REACTION KINETICS ; STAINLESS STEEL-430 ; STAINLESS STEELS ; STEEL-CR16 ; STEELS ; SULFURIC ACID</subject><ispartof>Journal of the Electrochemical Society, 1993-11, Vol.140 (11), p.3134-3140</ispartof><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-14a0802ac6937de8ee241356e7ce276e1034a01f50b32ce27253009ca7a549613</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4074362$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/5561394$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>KELLY, W. K</creatorcontrib><creatorcontrib>IYER, R. N</creatorcontrib><creatorcontrib>PICKERING, H. W</creatorcontrib><title>Another grain boundary corrosion process in sensitized stainless steel</title><title>Journal of the Electrochemical Society</title><description>This work investigates the intergranular corrosion of a sensitized Type 430 stainless steel in 1 N H sub 2 SO sub 4 . Once the grain boundary groove is formed by dissolution of the Cr-depleted material, a second form of localized corrosion commences within minutes and replaces the Cr-depletion mechanism. The second mechanism attacks both the bulk grains (of normal Cr content) and the Cr-depleted alloy. This is shown by groove widths that are much larger than the Cr-depleted zone widths. Gas bubbles, deduced to be hydrogen, egress from the grain boundary grooves, indicating a sizable potential drop within the grooves and the likelihood that the second corrosion process is caused by the IR phenomenon recently found to account for crevice corrosion in iron. The IR mechanism could also account for the observed corrosion under the lacquer at the sample edges.</description><subject>360105 - Metals & Alloys- Corrosion & Erosion</subject><subject>ALLOYS</subject><subject>Applied sciences</subject><subject>CHEMICAL REACTION KINETICS</subject><subject>CHEMICAL REACTIONS</subject><subject>CHROMIUM ALLOYS</subject><subject>CHROMIUM STEELS</subject><subject>CORROSION</subject><subject>Corrosion environments</subject><subject>CORROSION RESISTANT ALLOYS</subject><subject>CORROSIVE EFFECTS</subject><subject>CROLOY</subject><subject>Exact sciences and technology</subject><subject>FERRITIC STEELS</subject><subject>HEAT RESISTANT MATERIALS</subject><subject>HEAT RESISTING ALLOYS</subject><subject>HIGH ALLOY STEELS</subject><subject>HYDROGEN COMPOUNDS</subject><subject>INORGANIC ACIDS</subject><subject>INTERGRANULAR CORROSION</subject><subject>IRON ALLOYS</subject><subject>IRON BASE ALLOYS</subject><subject>KINETICS</subject><subject>MATERIALS</subject><subject>MATERIALS SCIENCE</subject><subject>Metals. Metallurgy</subject><subject>REACTION KINETICS</subject><subject>STAINLESS STEEL-430</subject><subject>STAINLESS STEELS</subject><subject>STEEL-CR16</subject><subject>STEELS</subject><subject>SULFURIC ACID</subject><issn>0013-4651</issn><issn>1945-7111</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNo9kEtLQzEQhYMoWKsL_8FFRHBxayaP-1gWsSoU3Og6pOnURm6TmkkX-utNaXE1zJlvhjmHsWvgEwDVP8BECMH7vjthI-iVrlsAOGUjzkHWqtFwzi6IvkoLnWpHbDYNMa8xVZ_J-lAt4i4sbfqpXEwpko-h2qbokKgqU8JAPvtfXFaUCz7sdcqIwyU7W9mB8OpYx-xj9vT--FLP355fH6fz2knNcw3K8o4L65petkvsEIUCqRtsHYq2QeCyELDSfCHFXhJact4721qt-gbkmN0c7kbK3pDzGd3axRDQZaN1IXpVoLsDVF7_3iFls_HkcBhswLgjIxpQTVdeGLP7A-iKV0q4MtvkN8W-AW72cRowxzgLe3s8asnZYZVscJ7-FxRvlWyE_AOcbHKX</recordid><startdate>19931101</startdate><enddate>19931101</enddate><creator>KELLY, W. K</creator><creator>IYER, R. N</creator><creator>PICKERING, H. W</creator><general>Electrochemical Society</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>19931101</creationdate><title>Another grain boundary corrosion process in sensitized stainless steel</title><author>KELLY, W. K ; IYER, R. N ; PICKERING, H. W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-14a0802ac6937de8ee241356e7ce276e1034a01f50b32ce27253009ca7a549613</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>360105 - Metals & Alloys- Corrosion & Erosion</topic><topic>ALLOYS</topic><topic>Applied sciences</topic><topic>CHEMICAL REACTION KINETICS</topic><topic>CHEMICAL REACTIONS</topic><topic>CHROMIUM ALLOYS</topic><topic>CHROMIUM STEELS</topic><topic>CORROSION</topic><topic>Corrosion environments</topic><topic>CORROSION RESISTANT ALLOYS</topic><topic>CORROSIVE EFFECTS</topic><topic>CROLOY</topic><topic>Exact sciences and technology</topic><topic>FERRITIC STEELS</topic><topic>HEAT RESISTANT MATERIALS</topic><topic>HEAT RESISTING ALLOYS</topic><topic>HIGH ALLOY STEELS</topic><topic>HYDROGEN COMPOUNDS</topic><topic>INORGANIC ACIDS</topic><topic>INTERGRANULAR CORROSION</topic><topic>IRON ALLOYS</topic><topic>IRON BASE ALLOYS</topic><topic>KINETICS</topic><topic>MATERIALS</topic><topic>MATERIALS SCIENCE</topic><topic>Metals. Metallurgy</topic><topic>REACTION KINETICS</topic><topic>STAINLESS STEEL-430</topic><topic>STAINLESS STEELS</topic><topic>STEEL-CR16</topic><topic>STEELS</topic><topic>SULFURIC ACID</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KELLY, W. K</creatorcontrib><creatorcontrib>IYER, R. N</creatorcontrib><creatorcontrib>PICKERING, H. W</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>Journal of the Electrochemical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KELLY, W. K</au><au>IYER, R. N</au><au>PICKERING, H. W</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Another grain boundary corrosion process in sensitized stainless steel</atitle><jtitle>Journal of the Electrochemical Society</jtitle><date>1993-11-01</date><risdate>1993</risdate><volume>140</volume><issue>11</issue><spage>3134</spage><epage>3140</epage><pages>3134-3140</pages><issn>0013-4651</issn><eissn>1945-7111</eissn><coden>JESOAN</coden><abstract>This work investigates the intergranular corrosion of a sensitized Type 430 stainless steel in 1 N H sub 2 SO sub 4 . Once the grain boundary groove is formed by dissolution of the Cr-depleted material, a second form of localized corrosion commences within minutes and replaces the Cr-depletion mechanism. The second mechanism attacks both the bulk grains (of normal Cr content) and the Cr-depleted alloy. This is shown by groove widths that are much larger than the Cr-depleted zone widths. Gas bubbles, deduced to be hydrogen, egress from the grain boundary grooves, indicating a sizable potential drop within the grooves and the likelihood that the second corrosion process is caused by the IR phenomenon recently found to account for crevice corrosion in iron. The IR mechanism could also account for the observed corrosion under the lacquer at the sample edges.</abstract><cop>Pennington, NJ</cop><pub>Electrochemical Society</pub><doi>10.1149/1.2220998</doi><tpages>7</tpages></addata></record> |
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source | Institute of Physics Journals |
subjects | 360105 - Metals & Alloys- Corrosion & Erosion ALLOYS Applied sciences CHEMICAL REACTION KINETICS CHEMICAL REACTIONS CHROMIUM ALLOYS CHROMIUM STEELS CORROSION Corrosion environments CORROSION RESISTANT ALLOYS CORROSIVE EFFECTS CROLOY Exact sciences and technology FERRITIC STEELS HEAT RESISTANT MATERIALS HEAT RESISTING ALLOYS HIGH ALLOY STEELS HYDROGEN COMPOUNDS INORGANIC ACIDS INTERGRANULAR CORROSION IRON ALLOYS IRON BASE ALLOYS KINETICS MATERIALS MATERIALS SCIENCE Metals. Metallurgy REACTION KINETICS STAINLESS STEEL-430 STAINLESS STEELS STEEL-CR16 STEELS SULFURIC ACID |
title | Another grain boundary corrosion process in sensitized stainless steel |
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