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Influences of NiCoCrAlYSi Coating on High Temperature Oxidation Characteristic of Single Crystal Nickel-Base Superalloy
Du Hongqiang1; Tian Sugui1; Yu Xingfu1; Lu Xudong1; Wang Qimin2
Corresponding AuthorDu Hongqiang(qiang80715@163.com)
2008-09-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume37Issue:9Pages:1555-1559
AbstractBy mean of observation of the microstructure of oxide layer for oxidized NiCoCrAlYSi coating and measurement of the isothermal cyclic oxidation mass-change curves., the high temperature oxidation characteristic with and without coating for single crystal nickel-base superalloy has been investigated. The results show that the fact of an obvious oxidation and internal oxidation occurs in the superalloy without coating during oxidation at high temperature, and the poor-aluminum areas appear near the bulk abnormity internal oxides, which leads to the gamma' phase disappear. The relation between the poor-aluminum areas size and time obeys the parabola regularity. The alloy without coating displays the different dynamics characteristic during cyclic oxidation at different temperatures. A great mass fluctuation during cyclic oxidation at 1040 degrees C for the alloy without coating is due to the alternate selected oxidation of the element Al and Cr. No obvious lost weight was detected in the coating alloy during cyclic oxidation at different temperatures, which proves that NiCoCrAlYSi coating can effectively improve the properties of the oxidation resistance of the superalloy.
Keywordsingle crystal nickel-base superalloy NiCoCrAlYSi coating high temperature oxidation cyclic oxidation
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000260146600011
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/95244
Collection中国科学院金属研究所
Corresponding AuthorDu Hongqiang
Affiliation1.Shenyang Univ Technol, Shenyang 110023, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Du Hongqiang,Tian Sugui,Yu Xingfu,et al. Influences of NiCoCrAlYSi Coating on High Temperature Oxidation Characteristic of Single Crystal Nickel-Base Superalloy[J]. RARE METAL MATERIALS AND ENGINEERING,2008,37(9):1555-1559.
APA Du Hongqiang,Tian Sugui,Yu Xingfu,Lu Xudong,&Wang Qimin.(2008).Influences of NiCoCrAlYSi Coating on High Temperature Oxidation Characteristic of Single Crystal Nickel-Base Superalloy.RARE METAL MATERIALS AND ENGINEERING,37(9),1555-1559.
MLA Du Hongqiang,et al."Influences of NiCoCrAlYSi Coating on High Temperature Oxidation Characteristic of Single Crystal Nickel-Base Superalloy".RARE METAL MATERIALS AND ENGINEERING 37.9(2008):1555-1559.
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