Characterization of Kanthal APMT and T91 oxidation at beyond design-basis accident temperatures

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dc.contributor.author Copeland-Johnson, Trishelle
dc.contributor.author Nyamekye, Charles
dc.contributor.author Gill, Simerjeet
dc.contributor.author Ecker, Lynne
dc.contributor.author Bowler, Nicola
dc.contributor.author Smith, Emily
dc.contributor.author Rebak, Raul
dc.contributor.department Ames National Laboratory
dc.contributor.department Department of Electrical and Computer Engineering
dc.contributor.department Department of Materials Science and Engineering
dc.contributor.department Department of Chemistry
dc.contributor.department Ames Laboratory
dc.contributor.department Center for Nondestructive Evaluation (CNDE)
dc.date 2020-03-30T15:34:19.000
dc.date.accessioned 2020-06-30T06:08:39Z
dc.date.available 2020-06-30T06:08:39Z
dc.date.copyright Wed Jan 01 00:00:00 UTC 2020
dc.date.embargo 2022-03-25
dc.date.issued 2020-07-15
dc.description.abstract <p>Limited information is available on the oxidation mechanism of accident tolerant claddings (ATC) Kanthal APMT and T91 at the onset of beyond design-basis accident (BDBA) conditions. We characterized the surface of these ATC alloys after steam and air exposure at 1200 °C for 2 h, defining the oxidation mechanism. Thickness and composition were analyzed with microscopy, Raman spectroscopy, and synchrotron diffraction. Our results demonstrate that APMT forms a compact and homogeneous α-Al2O3 layer when exposed to air or steam. T91 forms a heterogeneous porous layer, containing a mixture of Cr- and Fe-based oxides, whose composition changes with the exposure environment.</p>
dc.description.comments <p>This is a manuscript of an article published as Copeland-Johnson, Trishelle M., Charles KA Nyamekye, Simerjeet Gill, Lynne Ecker, Nicola Bowler, Emily A. Smith, and Raul B. Rebak. "Characterization of Kanthal APMT and T91 oxidation at beyond design-basis accident temperatures." <em>Corrosion Science</em> 171 (2020): 108598. DOI: <a href="https://doi.org/10.1016/j.corsci.2020.108598" target="_blank">10.1016/j.corsci.2020.108598</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/mse_pubs/369/
dc.identifier.articleid 1372
dc.identifier.contextkey 17154414
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath mse_pubs/369
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/55715
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/mse_pubs/369/2020_BowlerNicola_CharacterizationKanthal.pdf|||Mon Mar 30 15:34:19 UTC 2020
dc.source.bitstream archive/lib.dr.iastate.edu/mse_pubs/369/2020_BowlerNicola_CharacterizationKanthalAPMT.pdf|||Fri Jan 14 23:48:45 UTC 2022
dc.source.uri 10.1016/j.corsci.2020.108598
dc.subject.disciplines Materials Chemistry
dc.subject.disciplines Materials Science and Engineering
dc.subject.keywords APMT
dc.subject.keywords T91
dc.subject.keywords Synchrotron XRD
dc.subject.keywords SEM
dc.subject.keywords Raman spectroscopy
dc.subject.keywords Atmospheric corrosion
dc.title Characterization of Kanthal APMT and T91 oxidation at beyond design-basis accident temperatures
dc.type article
dc.type.genre article
dspace.entity.type Publication
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