On the Relation Between Oxide Ridge Evolution and Alloy Surface Grain Boundary Disorientation in Fe–22 wt % Cr Alloys
Oxide ridges formed during the transient stage oxidation of the scale evolution in iron alloys containing 22 wt % Cr that were held at 800 C in dry air. The surface oxidation process was imaged in situ through a confocal scanning laser microscope, and the results were correlated with postexperiment...
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| Veröffentlicht in: | Journal of the Electrochemical Society 2010-01, Vol.157 (5), p.B655 |
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| container_issue | 5 |
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| container_title | Journal of the Electrochemical Society |
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| creator | Zhu, Jingxi Diaz, Laura M. Fernandez Holcomb, Gordon R. Jablonski, Paul D. Cowen, Christopher J. Laughlin, David E. Alman, David Sridhar, Seetharaman |
| description | Oxide ridges formed during the transient stage oxidation of the scale evolution in iron alloys containing 22 wt % Cr that were held at 800 C in dry air. The surface oxidation process was imaged in situ through a confocal scanning laser microscope, and the results were correlated with postexperiment characterization through scanning electron microscopy and the DualBeam system (focus ion beam and electron beam) analysis combined with three-dimensional reconstruction. The oxide ridges that formed on top of the Cr oxide scale overlapped the intersections of the underlying alloy grain boundaries with the Cr oxide scale. Ridges were generally very small on grain boundaries with disorientation angles of less than 15{sup o}, and it was suggested that the boundaries of the surface grains in the alloy may serve as bottlenecks for the transport of scale-forming elements. The effects of La (120 and 290 ppm) and Ce (270 and 610 ppm) additions during melt-stage processing were also investigated. |
| doi_str_mv | 10.1149/1.3308571 |
| format | Article |
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Fernandez ; Holcomb, Gordon R. ; Jablonski, Paul D. ; Cowen, Christopher J. ; Laughlin, David E. ; Alman, David ; Sridhar, Seetharaman</creator><creatorcontrib>Zhu, Jingxi ; Diaz, Laura M. Fernandez ; Holcomb, Gordon R. ; Jablonski, Paul D. ; Cowen, Christopher J. ; Laughlin, David E. ; Alman, David ; Sridhar, Seetharaman ; National Energy Technology Lab. (NETL), Pittsburgh, PA, and Morgantown, WV (United States). In-house Research</creatorcontrib><description>Oxide ridges formed during the transient stage oxidation of the scale evolution in iron alloys containing 22 wt % Cr that were held at 800 C in dry air. The surface oxidation process was imaged in situ through a confocal scanning laser microscope, and the results were correlated with postexperiment characterization through scanning electron microscopy and the DualBeam system (focus ion beam and electron beam) analysis combined with three-dimensional reconstruction. The oxide ridges that formed on top of the Cr oxide scale overlapped the intersections of the underlying alloy grain boundaries with the Cr oxide scale. Ridges were generally very small on grain boundaries with disorientation angles of less than 15{sup o}, and it was suggested that the boundaries of the surface grains in the alloy may serve as bottlenecks for the transport of scale-forming elements. The effects of La (120 and 290 ppm) and Ce (270 and 610 ppm) additions during melt-stage processing were also investigated.</description><identifier>ISSN: 0013-4651</identifier><identifier>DOI: 10.1149/1.3308571</identifier><language>eng</language><publisher>United States</publisher><subject>AIR ; ALLOYS ; ELECTRON BEAMS ; GRAIN BOUNDARIES ; ION BEAMS ; IRON ALLOYS ; LASERS ; MATERIALS SCIENCE ; OXIDATION ; OXIDES ; PROCESSING ; SCANNING ELECTRON MICROSCOPY ; TRANSIENTS ; TRANSPORT</subject><ispartof>Journal of the Electrochemical Society, 2010-01, Vol.157 (5), p.B655</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-202a088b1820726e3b3e5f9ac488dc04839251dac264b5695094396d7dcedfd83</citedby><cites>FETCH-LOGICAL-c291t-202a088b1820726e3b3e5f9ac488dc04839251dac264b5695094396d7dcedfd83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1009804$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhu, Jingxi</creatorcontrib><creatorcontrib>Diaz, Laura M. Fernandez</creatorcontrib><creatorcontrib>Holcomb, Gordon R.</creatorcontrib><creatorcontrib>Jablonski, Paul D.</creatorcontrib><creatorcontrib>Cowen, Christopher J.</creatorcontrib><creatorcontrib>Laughlin, David E.</creatorcontrib><creatorcontrib>Alman, David</creatorcontrib><creatorcontrib>Sridhar, Seetharaman</creatorcontrib><creatorcontrib>National Energy Technology Lab. (NETL), Pittsburgh, PA, and Morgantown, WV (United States). In-house Research</creatorcontrib><title>On the Relation Between Oxide Ridge Evolution and Alloy Surface Grain Boundary Disorientation in Fe–22 wt % Cr Alloys</title><title>Journal of the Electrochemical Society</title><description>Oxide ridges formed during the transient stage oxidation of the scale evolution in iron alloys containing 22 wt % Cr that were held at 800 C in dry air. The surface oxidation process was imaged in situ through a confocal scanning laser microscope, and the results were correlated with postexperiment characterization through scanning electron microscopy and the DualBeam system (focus ion beam and electron beam) analysis combined with three-dimensional reconstruction. The oxide ridges that formed on top of the Cr oxide scale overlapped the intersections of the underlying alloy grain boundaries with the Cr oxide scale. Ridges were generally very small on grain boundaries with disorientation angles of less than 15{sup o}, and it was suggested that the boundaries of the surface grains in the alloy may serve as bottlenecks for the transport of scale-forming elements. The effects of La (120 and 290 ppm) and Ce (270 and 610 ppm) additions during melt-stage processing were also investigated.</description><subject>AIR</subject><subject>ALLOYS</subject><subject>ELECTRON BEAMS</subject><subject>GRAIN BOUNDARIES</subject><subject>ION BEAMS</subject><subject>IRON ALLOYS</subject><subject>LASERS</subject><subject>MATERIALS SCIENCE</subject><subject>OXIDATION</subject><subject>OXIDES</subject><subject>PROCESSING</subject><subject>SCANNING ELECTRON MICROSCOPY</subject><subject>TRANSIENTS</subject><subject>TRANSPORT</subject><issn>0013-4651</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNotkD1OAzEQhV2ARAgU3MBCoqDY4L_dtcsQEkCKFImfeuXYs8RosZHtENJxB27ISVhIqtHM-96T5iF0RsmIUqGu6IhzIsuaHqABIZQXoirpETpO6bVfqRT1AG0WHucV4AfodHbB42vIGwCPF5_O9mdnXwBPP0K3_le1t3jcdWGLH9ex1QbwbdSud4W1tzpu8Y1LITrweZfWSzP4-fpmDG8yvsCTuLOnE3TY6i7B6X4O0fNs-jS5K-aL2_vJeF4YpmguGGGaSLmkkpGaVcCXHMpWaSOktIYIyRUrqdWGVWJZVqokSnBV2doasK2VfIjOd7khZdck4zKYlQneg8kNJURJInrocgeZGFKK0Dbv0b317_RE81dlQ5t9lfwXDuNnYg</recordid><startdate>20100101</startdate><enddate>20100101</enddate><creator>Zhu, Jingxi</creator><creator>Diaz, Laura M. 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Fernandez</creatorcontrib><creatorcontrib>Holcomb, Gordon R.</creatorcontrib><creatorcontrib>Jablonski, Paul D.</creatorcontrib><creatorcontrib>Cowen, Christopher J.</creatorcontrib><creatorcontrib>Laughlin, David E.</creatorcontrib><creatorcontrib>Alman, David</creatorcontrib><creatorcontrib>Sridhar, Seetharaman</creatorcontrib><creatorcontrib>National Energy Technology Lab. (NETL), Pittsburgh, PA, and Morgantown, WV (United States). In-house Research</creatorcontrib><collection>CrossRef</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>Zhu, Jingxi</au><au>Diaz, Laura M. Fernandez</au><au>Holcomb, Gordon R.</au><au>Jablonski, Paul D.</au><au>Cowen, Christopher J.</au><au>Laughlin, David E.</au><au>Alman, David</au><au>Sridhar, Seetharaman</au><aucorp>National Energy Technology Lab. (NETL), Pittsburgh, PA, and Morgantown, WV (United States). In-house Research</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the Relation Between Oxide Ridge Evolution and Alloy Surface Grain Boundary Disorientation in Fe–22 wt % Cr Alloys</atitle><jtitle>Journal of the Electrochemical Society</jtitle><date>2010-01-01</date><risdate>2010</risdate><volume>157</volume><issue>5</issue><spage>B655</spage><pages>B655-</pages><issn>0013-4651</issn><abstract>Oxide ridges formed during the transient stage oxidation of the scale evolution in iron alloys containing 22 wt % Cr that were held at 800 C in dry air. The surface oxidation process was imaged in situ through a confocal scanning laser microscope, and the results were correlated with postexperiment characterization through scanning electron microscopy and the DualBeam system (focus ion beam and electron beam) analysis combined with three-dimensional reconstruction. The oxide ridges that formed on top of the Cr oxide scale overlapped the intersections of the underlying alloy grain boundaries with the Cr oxide scale. Ridges were generally very small on grain boundaries with disorientation angles of less than 15{sup o}, and it was suggested that the boundaries of the surface grains in the alloy may serve as bottlenecks for the transport of scale-forming elements. The effects of La (120 and 290 ppm) and Ce (270 and 610 ppm) additions during melt-stage processing were also investigated.</abstract><cop>United States</cop><doi>10.1149/1.3308571</doi><oa>free_for_read</oa></addata></record> |
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| subjects | AIR ALLOYS ELECTRON BEAMS GRAIN BOUNDARIES ION BEAMS IRON ALLOYS LASERS MATERIALS SCIENCE OXIDATION OXIDES PROCESSING SCANNING ELECTRON MICROSCOPY TRANSIENTS TRANSPORT |
| title | On the Relation Between Oxide Ridge Evolution and Alloy Surface Grain Boundary Disorientation in Fe–22 wt % Cr Alloys |
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