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Oxidation behavior of boron in 9CrMoCoB steel by CaF2-CaO-Al2O3-SiO2-B2O3 electroslag remelting (ESR) type slag

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dc.contributor.authorDuan, Sheng Chao-
dc.contributor.authorLee, Min Joo-
dc.contributor.authorKim, Dong Soo-
dc.contributor.authorPark, Joo Hyun-
dc.date.accessioned2022-12-20T05:49:58Z-
dc.date.available2022-12-20T05:49:58Z-
dc.date.issued2022-03-
dc.identifier.issn2238-7854-
dc.identifier.issn2214-0697-
dc.identifier.urihttps://scholarworks.bwise.kr/erica/handle/2021.sw.erica/111292-
dc.description.abstractThe laboratory-scale experiments between the CaF2-CaO-Al2O3-SiO2-B2O3 slag and 9CrMoCoB steel were carried out in alumina and magnesia crucibles at 1823 K to investigate the oxidation behavior of boron (B) during the electroslag remelting (ESR) process. The activities of SiO2 and B2O3 in the slag and the activities of Si and B in the molten steel were calculated by the ion and molecule coexistence theory (IMCT) and the Wagner formalism, respectively. The results showed that both SiO2 and B2O3 have a significant influence on the equilibrium B content. The calculated content of B was in good agreement with the experimental value when the SiO2 thorn B2O3 content in the slag is more than 3.3 wt%. The temperature had little influence on the equilibrium B content when the SiO2, B2O3 and CaO content were in the ranges of 3-5 wt%, 0-1 wt%, and 20-30 wt%, respectively. However, the Si is more prone to oxidation than is B as the temperature increases, indicating that more SiO2 should be added in the slag to reduce the oxidation of Si. From the 80 tonnes industrial tests, the distribution of B and Si content along with the radial direction of the remelted ingot was almost uniform, which is in line with the calculated B content (approx. 30 ppm) under conditions of the Si content in the liquid steel and the (%B2O3)/(%SiO2) ratio are 0.07% and 0.05, respectively, at 1973 K.(c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).-
dc.format.extent12-
dc.language영어-
dc.language.isoENG-
dc.publisherElsevier Editora Ltda-
dc.titleOxidation behavior of boron in 9CrMoCoB steel by CaF2-CaO-Al2O3-SiO2-B2O3 electroslag remelting (ESR) type slag-
dc.typeArticle-
dc.publisher.location네델란드-
dc.identifier.doi10.1016/j.jmrt.2022.01.033-
dc.identifier.scopusid2-s2.0-85123029927-
dc.identifier.wosid000779145400006-
dc.identifier.bibliographicCitationJournal of Materials Research and Technology, v.17, pp 574 - 585-
dc.citation.titleJournal of Materials Research and Technology-
dc.citation.volume17-
dc.citation.startPage574-
dc.citation.endPage585-
dc.type.docTypeArticle-
dc.description.isOpenAccessY-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaMetallurgy & Metallurgical Engineering-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryMetallurgy & Metallurgical Engineering-
dc.subject.keywordPlusPLUS METAL EQUILIBRIUM-
dc.subject.keywordPlusTEMPERATURE 1723 K-
dc.subject.keywordPlusFUEL POWER-PLANTS-
dc.subject.keywordPlusTHERMODYNAMIC PROPERTIES-
dc.subject.keywordPlusMOLD FLUXES-
dc.subject.keywordPlusALUMINA-
dc.subject.keywordPlusDISSOLUTION-
dc.subject.keywordPlusSYSTEM-
dc.subject.keywordPlusMELTS-
dc.subject.keywordPlusTITANIUM-
dc.subject.keywordAuthor9CrMoCoB steel-
dc.subject.keywordAuthorElectroslag remelting (ESR)-
dc.subject.keywordAuthorIon-molecule coexistence theory-
dc.subject.keywordAuthor(IMCT)-
dc.subject.keywordAuthorOxidation-
dc.subject.keywordAuthorBoron-
dc.subject.keywordAuthorSilicon-
dc.identifier.urlhttps://www.sciencedirect.com/science/article/pii/S2238785422000333?via%3Dihub-
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