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Effects of element Si on oxidation resistance of TiAl alloys
Dong, LM; Cui, YY; Yang, R; Wang, FH
Corresponding AuthorYang, R()
2004-04-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume40Issue:4Pages:383-387
AbstractThe effects of alloying element Si on oxidation resistance of several gamma-TiAl based alloys containing different Nb contents have been studied. The results reveal that the lower the Nb content of the alloy, the more obvious the beneficial effect of Si. The improvement of oxidation resistance by Si is mainly attributed to promoting the formation of continuous and dense Al2O3 layers in the binary alloy. In addition, more homogeneous and finer oxidation products appear on the surface of higher Si-bearing alloys than on lower Si-bearing alloys, leading to further improvement of oxidation resistance in Nb-containing alloys. As a result, the parabolic rate constant decreases with increasing Si content. Isothermal oxidation experiment, X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis of the oxidation products are presented.
KeywordTiAl based alloy alloying with Si oxidation
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000221112500011
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/119967
Collection中国科学院金属研究所
Corresponding AuthorYang, R
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Dong, LM,Cui, YY,Yang, R,et al. Effects of element Si on oxidation resistance of TiAl alloys[J]. ACTA METALLURGICA SINICA,2004,40(4):383-387.
APA Dong, LM,Cui, YY,Yang, R,&Wang, FH.(2004).Effects of element Si on oxidation resistance of TiAl alloys.ACTA METALLURGICA SINICA,40(4),383-387.
MLA Dong, LM,et al."Effects of element Si on oxidation resistance of TiAl alloys".ACTA METALLURGICA SINICA 40.4(2004):383-387.
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