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Effect of chromium content on high-temperature oxidation behavior of Cu-Ni-30Cr alloy
Cao, ZQ; Niu, Y; Wu, WT
Corresponding AuthorCao, ZQ()
2003-04-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume32Issue:4Pages:250-254
AbstractThe oxidation of the Cu-Ni-30Cr alloy prepared by arc-melting, presenting Cr content with much higher than the three Cu-Ni-20Cr alloys, has been studied at 700degreesC - 860degreesC in pure oxygen. The alloy contains a mixture of three phases, each of which has a rather high Cr content. The presence of three phases is not able to prevent the diffusion-of the most reactive component Cr from the alloy to the alloy/scale interface, so that this alloy forms a continuous external scale of Cr2O3. At the same time, under the Cr2O3 scale this alloy forms also a lighter layer depleted in chromium and a deep region containing a mixture of alloy phase's and Phromia. In spite of this, the chromium content dissolved in the alloy in the region of internal oxidation is still sufficient to prevent the oxidation of the two more noble components, copper and nickel, and to allow the formation of the external chromia layer.
KeywordCu-Cr-Ni alloy three- phase morphology high temperature oxidation
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000182629800003
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/115847
Collection中国科学院金属研究所
Corresponding AuthorCao, ZQ
Affiliation1.Shenyang Normal Univ, Shenyang 110034, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cao, ZQ,Niu, Y,Wu, WT. Effect of chromium content on high-temperature oxidation behavior of Cu-Ni-30Cr alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2003,32(4):250-254.
APA Cao, ZQ,Niu, Y,&Wu, WT.(2003).Effect of chromium content on high-temperature oxidation behavior of Cu-Ni-30Cr alloy.RARE METAL MATERIALS AND ENGINEERING,32(4),250-254.
MLA Cao, ZQ,et al."Effect of chromium content on high-temperature oxidation behavior of Cu-Ni-30Cr alloy".RARE METAL MATERIALS AND ENGINEERING 32.4(2003):250-254.
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