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Air oxidation of a Cu-30Ni-25Fe alloy at 700-900 degrees C
Li, YS; Niu, Y; Gesmundo, F
Corresponding AuthorLi, YS()
2001
Source PublicationHIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 5, PTS 1 AND 2
ISSN0255-5476
Volume369-3Pages:117-124
AbstractThe oxidation of a ternary two-phase Cu-30at%Ni-25at%Fe alloy has been studied at 700-900 degreesC in air. The oxidation kinetics are rather irregular, but always slower than those for the oxidation of Cu and Fe at the same temperature. The scales contain an outermost layer of almost pure Cu-oxide plus an inner region composed of a mixture of the oxides of the three components as well as a Ni-Fe spinel. A relatively thin region of internal oxidation of Fe and Ni is also present at all temperatures, below which the alloy remains two-phase. The depth of internal oxidation is significantly smaller than calculated on the basis of the solubility and diffusion coefficient of oxygen in copper, but neglecting the hindering effect by the internal oxide particles. The general scaling of the alloy is similar to what observed for a number of binary two-phase systems. In particular, the occurrence of internal oxidation of Fe and Ni in spite of their high contents is attributed to the restriction of diffusion in the alloy due to the limited solubility of the components.
Keywordcopper iron nickel oxidation ternary alloy
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics ; Materials Science, Multidisciplinary ; Materials Science, Coatings & Films
WOS IDWOS:000172513200009
PublisherTRANS TECH PUBLICATIONS LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/112945
Collection中国科学院金属研究所
Corresponding AuthorLi, YS
Affiliation1.Acad Sinica, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110015, Peoples R China
2.Dipartimento Ingn Chim, IT-16129 Genoa, Italy
Recommended Citation
GB/T 7714
Li, YS,Niu, Y,Gesmundo, F. Air oxidation of a Cu-30Ni-25Fe alloy at 700-900 degrees C[J]. HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 5, PTS 1 AND 2,2001,369-3:117-124.
APA Li, YS,Niu, Y,&Gesmundo, F.(2001).Air oxidation of a Cu-30Ni-25Fe alloy at 700-900 degrees C.HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 5, PTS 1 AND 2,369-3,117-124.
MLA Li, YS,et al."Air oxidation of a Cu-30Ni-25Fe alloy at 700-900 degrees C".HIGH TEMPERATURE CORROSION AND PROTECTION OF MATERIALS 5, PTS 1 AND 2 369-3(2001):117-124.
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