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The internal oxidation of ternary alloys. V: The transition from internal to external oxidation of the most-reactive component under low oxidant pressures
Gesmundo, F; Niu, Y
Corresponding AuthorNiu, Y()
2004-12-01
Source PublicationOXIDATION OF METALS
ISSN0030-770X
Volume62Issue:5-6Pages:375-390
AbstractThis paper examines the conditions for the transition from internal to external oxidation of the most-reactive component C of ternary A-B C alloys by a single oxidant under gas-phase oxidant activities below the stability of the oxide of the two most-reactive components using Wagner's criterion. Tor this, approximate relations between the solubility and diffusivity of oxygen and the composition of the binary A-B alloy matrix in the zone of internal oxidation, already developed previously, are used. The critical C content needed for the transition in ternary alloys is calculated as a junction of the many parameters involved. At variance with the behavior of binary alloys, for ternary alloys this critical C content depends also on the ratio between the concentrations of A and B in the bulk alloy. The results calculated for ternary alloys are compared with those obtained for binary A-C and B-C alloys under the same values of all the relevant parameters. Finally, complete oxidation maps for ternary alloys under low oxidant pressures, including the condition for the stability of external scales of the C oxide, are also presented.
Keywordternary alloys low oxidant pressures transition from internal oxidation
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000226001700005
PublisherKLUWER ACADEMIC/PLENUM PUBL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82317
Corresponding AuthorNiu, Y
Affiliation1.CAS, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
2.Univ Genoa, Dipartimento Ingn Chim & Proc, I-16129 Genoa, Italy
Recommended Citation
GB/T 7714
Gesmundo, F,Niu, Y. The internal oxidation of ternary alloys. V: The transition from internal to external oxidation of the most-reactive component under low oxidant pressures[J]. OXIDATION OF METALS,2004,62(5-6):375-390.
APA Gesmundo, F,&Niu, Y.(2004).The internal oxidation of ternary alloys. V: The transition from internal to external oxidation of the most-reactive component under low oxidant pressures.OXIDATION OF METALS,62(5-6),375-390.
MLA Gesmundo, F,et al."The internal oxidation of ternary alloys. V: The transition from internal to external oxidation of the most-reactive component under low oxidant pressures".OXIDATION OF METALS 62.5-6(2004):375-390.
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