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Simultaneous oxidation and carburization of a Fe-9Cr alloy under different oxygen pressures at 800 degrees C
Shen, J.; Liu, S.; Guo, X. H.; Niu, Y.; Niu, Y (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-12-01
Source PublicationPERGAMON-ELSEVIER SCIENCE LTD
ISSN0010-938X
Volume129Pages:1-15
AbstractA model Fe-9Cr alloy was exposed to various H-2-CO2-CH4 mixtures providing different oxygen pressures and carbon activities at 800 degrees C. Three oxidation modes and three oxygen pressure ranges have been observed. At low pressures (Range I) only thin external Cr2O3 scales formed. An intermediate range (Range II) produced an internal precipitation of Cr2O3 and Cr carbide without an external scale. Higher pressures (Range HI) produced external FeOx scales plus an internal oxidation of Cr. Two critical oxygen pressures for the transitions between the three oxidation modes were observed and also calculated in reasonable agreement with the experimental results.; A model Fe-9Cr alloy was exposed to various H-2-CO2-CH4 mixtures providing different oxygen pressures and carbon activities at 800 degrees C. Three oxidation modes and three oxygen pressure ranges have been observed. At low pressures (Range I) only thin external Cr2O3 scales formed. An intermediate range (Range II) produced an internal precipitation of Cr2O3 and Cr carbide without an external scale. Higher pressures (Range HI) produced external FeOx scales plus an internal oxidation of Cr. Two critical oxygen pressures for the transitions between the three oxidation modes were observed and also calculated in reasonable agreement with the experimental results.
description.department[shen, j. ; liu, s. ; guo, x. h. ; niu, y.] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [shen, j. ; liu, s. ; guo, x. h.] univ sci & technol china, sch mat sci & engn, hefei 230000, anhui, peoples r china
KeywordAlloys Carburization Internal Oxidation Kinetic Parameters
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNSFC [51371183, 51671203]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78951
Collection中国科学院金属研究所
Corresponding AuthorNiu, Y (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Shen, J.,Liu, S.,Guo, X. H.,et al. Simultaneous oxidation and carburization of a Fe-9Cr alloy under different oxygen pressures at 800 degrees C[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,129:1-15.
APA Shen, J.,Liu, S.,Guo, X. H.,Niu, Y.,&Niu, Y .(2017).Simultaneous oxidation and carburization of a Fe-9Cr alloy under different oxygen pressures at 800 degrees C.PERGAMON-ELSEVIER SCIENCE LTD,129,1-15.
MLA Shen, J.,et al."Simultaneous oxidation and carburization of a Fe-9Cr alloy under different oxygen pressures at 800 degrees C".PERGAMON-ELSEVIER SCIENCE LTD 129(2017):1-15.
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