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Effect of external stress on the selective oxidation of Ti3Al base alloy at 500-700 degrees C
Qian, YH; Li, MS; Zhang, YM
Corresponding AuthorLi, MS()
2003-09-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume39Issue:9Pages:989-994
AbstractThe effect of external tensile stresses on the selective oxidation of a Ti3Al-base alloy (Ti-24Al-14Nb-3V-0.5Mo-0.3Si, atomic fraction, %) has been investigated. The oxide scales formed under the experimental condition are composed of mixture of TiO2 and Al2O3 mainly. XPS and SEM analysis indicates that the applied tensile stress decreases TiO2 content and increases Al2O3 content in the oxide scale formed on the alloy at 500 degreesC. The result obtained at 600 degreesC is opposite to the above one, and the effect is more significant with increasing tensile stress. The oxide scale formed at 700 degreesC under applied stress happened to crack, the content of TiO2 and Al2O3 in the oxide scale has no difference with that formed under stress free. The experience results are analyzed based on the mechanochemistry activity theory.
KeywordTi3Al-base alloy tensile stress selective oxidation
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000186144000018
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/116865
Collection中国科学院金属研究所
Corresponding AuthorLi, MS
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Bao Shan Iron & Steel Co Ltd, Ctr Technol, Shanghai 201900, Peoples R China
Recommended Citation
GB/T 7714
Qian, YH,Li, MS,Zhang, YM. Effect of external stress on the selective oxidation of Ti3Al base alloy at 500-700 degrees C[J]. ACTA METALLURGICA SINICA,2003,39(9):989-994.
APA Qian, YH,Li, MS,&Zhang, YM.(2003).Effect of external stress on the selective oxidation of Ti3Al base alloy at 500-700 degrees C.ACTA METALLURGICA SINICA,39(9),989-994.
MLA Qian, YH,et al."Effect of external stress on the selective oxidation of Ti3Al base alloy at 500-700 degrees C".ACTA METALLURGICA SINICA 39.9(2003):989-994.
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