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The corrosion of Fe-15wt% Y and of pure Y and Fe in H-2-H2S mixtures under 10(-8) atm S-2 at 600-800 degrees C
Niu, Y; Gesmundo, F; Zeng, C; Wu, W; Viani, F; Rizzo, F
Corresponding AuthorNiu, Y()
1997
Source PublicationHIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 4, PTS 1 AND 2
ISSN0255-5476
Volume251-2Pages:97-104
AbstractThe corrosion of Fe-15 wt% Y alloy in H-2-H2S under 10(-8) atm S-2 was studied at 600-800 degrees C with the aim of improving the sulfidation resistance of pure Fe, The corrosion rate of the alloy tends to become parabolic after an initial non-parabolic period and is intermediate between those of the two pure metals. Thus, Y is not as beneficial as expected, since the alloy corrodes still much faster than pure Y, even though more slowly than pure Fe, At all temperatures the alloy forms an external FeS layer, beneath which a complex mixed region containing FeS and the yttrium oxysulfide is also present, through which iron can diffuse outwards to form the external layer, At 700 and 800 degrees C an innermost layer of iron metal and yttrium oxysulfide is also observed, Thus, the addition of 15 wt% Y is not sufficient to prevent the sulfidation of iron.
Keywordiron-yttrium alloys high temperature sulfidation
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics ; Materials Science, Multidisciplinary ; Materials Science, Coatings & Films
WOS IDWOS:000071768900011
PublisherTRANSTEC PUBLICATIONS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/107495
Collection中国科学院金属研究所
Corresponding AuthorNiu, Y
Affiliation1.Acad Sinica, State Key Lab Corros, Inst Corros & Protect Met, Shenyang 110015, Peoples R China
2.Univ Genoa, Fac Ingn, Ist Chim, Fiera del Mare, I-16129 Genoa, Italy
3.Pontificia Univ Catolica Rio de Janeiro, Dept Ciencia Mat & Met, BR-22453900 Rio De Janeiro, Brazil
Recommended Citation
GB/T 7714
Niu, Y,Gesmundo, F,Zeng, C,et al. The corrosion of Fe-15wt% Y and of pure Y and Fe in H-2-H2S mixtures under 10(-8) atm S-2 at 600-800 degrees C[J]. HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 4, PTS 1 AND 2,1997,251-2:97-104.
APA Niu, Y,Gesmundo, F,Zeng, C,Wu, W,Viani, F,&Rizzo, F.(1997).The corrosion of Fe-15wt% Y and of pure Y and Fe in H-2-H2S mixtures under 10(-8) atm S-2 at 600-800 degrees C.HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 4, PTS 1 AND 2,251-2,97-104.
MLA Niu, Y,et al."The corrosion of Fe-15wt% Y and of pure Y and Fe in H-2-H2S mixtures under 10(-8) atm S-2 at 600-800 degrees C".HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 4, PTS 1 AND 2 251-2(1997):97-104.
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