Short Term Oxidation in HT-SEM of the Pt-containing TROPEA Single Crystal Ni-based Superalloy from 680 to 1000°C

Short Term Oxidation in HT-SEM of the Pt-containing TROPEA Single Crystal Ni-based Superalloy from 680 to 1000°C | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Short Term Oxidation in HT-SEM of the Pt-containing TROPEA Single Crystal Ni-based Superalloy from 680 to 1000°C S. Mathieu, R. Podor, M. Emo, L. Hunault, M. Vilasi, J. Cormier, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4744310/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 08 Aug, 2024 Read the published version in High Temperature Corrosion of Materials → Version 1 posted 7 You are reading this latest preprint version Abstract Short-time oxidation of the Ni-based TROPEA single-crystal superalloy was implemented to determine the nature and quantities of transient oxides in the 680–1000°C temperature range. Experiments were carried out in situ in the SEM with reduced air pressure (150 Pa, \(\:{P}_{{O}_{2}}\) ∼ 31.5 Pa) compared to atmospheric conditions (10 5 Pa, \(\:{P}_{{O}_{2}}\) ∼ 2.1 10 4 Pa). TEM characterization after oxidation showed the complexity of the oxidation products developed. Aluminum underwent internal oxidation between 680 and 1000°C. During the limited duration of oxidation, the TROPEA alloy only formed a continuous alumina layer at 1000°C. At 680 and 850°C, the low diffusion rate and small amount of Al in the Ni-based single crystal led to the formation of a significant amount of transient oxides such as (Ni,Co)O, compared to the desired chromia or alumina protective oxides. The lower the temperature, the smaller the size of the internal Al 2 O 3 precipitates and the larger the transient oxide crystals, which would lower the resistance of TROPEA to Type II hot corrosion. In contrast after a transient period shorter than 22 hours, during which multiple transient oxide developed, the oxidation resistance would be ensured at 1000°C by the formation of a continuous Al 2 O 3 scale. Nickel-based superalloy Oxidation In Situ Observation Full Text Additional Declarations No competing interests reported. Supplementary Files SuppMaterialsHTCM2.pptx Cite Share Download PDF Status: Published Journal Publication published 08 Aug, 2024 Read the published version in High Temperature Corrosion of Materials → Version 1 posted Editorial decision: Accepted 20 Jul, 2024 Reviews received at journal 18 Jul, 2024 Reviewers agreed at journal 18 Jul, 2024 Reviewers invited by journal 16 Jul, 2024 Editor assigned by journal 16 Jul, 2024 Submission checks completed at journal 16 Jul, 2024 First submitted to journal 15 Jul, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4744310","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":329597313,"identity":"e5cd6937-08d5-4067-8723-c5731924f717","order_by":0,"name":"S. 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Experiments were carried out in situ in the SEM with reduced air pressure (150 Pa, \u003cspan class=\"InlineEquation\"\u003e\u003cspan class=\"mathinline\"\u003e\\(\\:{P}_{{O}_{2}}\\)\u003c/span\u003e\u003c/span\u003e \u0026sim; 31.5 Pa) compared to atmospheric conditions (10\u003csup\u003e5\u003c/sup\u003e Pa, \u003cspan class=\"InlineEquation\"\u003e\u003cspan class=\"mathinline\"\u003e\\(\\:{P}_{{O}_{2}}\\)\u003c/span\u003e\u003c/span\u003e \u0026sim; 2.1 10\u003csup\u003e4\u003c/sup\u003e Pa). TEM characterization after oxidation showed the complexity of the oxidation products developed. Aluminum underwent internal oxidation between 680 and 1000\u0026deg;C. During the limited duration of oxidation, the TROPEA alloy only formed a continuous alumina layer at 1000\u0026deg;C. At 680 and 850\u0026deg;C, the low diffusion rate and small amount of Al in the Ni-based single crystal led to the formation of a significant amount of transient oxides such as (Ni,Co)O, compared to the desired chromia or alumina protective oxides. The lower the temperature, the smaller the size of the internal Al\u003csub\u003e2\u003c/sub\u003eO\u003csub\u003e3\u003c/sub\u003e precipitates and the larger the transient oxide crystals, which would lower the resistance of TROPEA to Type II hot corrosion. In contrast after a transient period shorter than 22 hours, during which multiple transient oxide developed, the oxidation resistance would be ensured at 1000\u0026deg;C by the formation of a continuous Al\u003csub\u003e2\u003c/sub\u003eO\u003csub\u003e3\u003c/sub\u003e scale.\u003c/p\u003e","manuscriptTitle":"Short Term Oxidation in HT-SEM of the Pt-containing TROPEA Single Crystal Ni-based Superalloy from 680 to 1000°C","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-08-09 07:39:28","doi":"10.21203/rs.3.rs-4744310/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Accepted","date":"2024-07-20T21:06:36+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2024-07-18T07:51:01+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"22023397579724329343500945674751299733","date":"2024-07-18T07:37:47+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-07-17T00:59:44+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-07-17T00:58:30+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2024-07-16T14:55:19+00:00","index":"","fulltext":""},{"type":"submitted","content":"High Temperature Corrosion of Materials","date":"2024-07-15T16:32:06+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"high-temperature-corrosion-of-materials","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"","sideBox":"Learn more about [High Temperature Corrosion of Materials](https://www.springer.com/journal/11085)","snPcode":"11085","submissionUrl":"https://submission.nature.com/new-submission/11085/3","title":"High Temperature Corrosion of Materials","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false}}],"origin":"","ownerIdentity":"5db0f9ac-5fc1-43f4-b41c-5c4ea9ac9756","owner":[],"postedDate":"August 9th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[],"tags":[],"updatedAt":"2024-08-12T16:08:51+00:00","versionOfRecord":{"articleIdentity":"rs-4744310","link":"https://doi.org/10.1007/s11085-024-10272-9","journal":{"identity":"high-temperature-corrosion-of-materials","isVorOnly":false,"title":"High Temperature Corrosion of Materials"},"publishedOn":"2024-08-08 15:57:29","publishedOnDateReadable":"August 8th, 2024"},"versionCreatedAt":"2024-08-09 07:39:28","video":"","vorDoi":"10.1007/s11085-024-10272-9","vorDoiUrl":"https://doi.org/10.1007/s11085-024-10272-9","workflowStages":[]},"version":"v1","identity":"rs-4744310","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-4744310","identity":"rs-4744310","version":["v1"]},"buildId":"qtupq5eGEP_6zYnWcrvyt","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}