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Intensified interfacial reactions between gamma titanium aluminide and CaO stabilised ZrO2
Jia, Q; Cui, YY; Yang, R
Corresponding AuthorYang, R()
2004
Source PublicationINTERNATIONAL JOURNAL OF CAST METALS RESEARCH
ISSN1364-0461
Volume17Issue:1Pages:23-27
AbstractThe reactions at the interface between Ti-46Al (at.-%) alloy and calcia stabilised cubic zirconia of a specially prepared reaction couple were investigated, in order to confirm and further clarify the mechanism and products of reaction between the metal melt and the ceramic shell mould during investment casting. In the subsurface layer of the normal casting, energy dispersive spectroscopy and transmission electron microscopy analyses revealed the formation of Al2Zr and (Ti,Zr)(5)Si-3 particles at the dendrite boundaries of gamma TiAl, as a result of the dissolution of ZrO2 and subsequent diffusion of the Zr atoms into the melt, leading to grain refinement. In the intensified reaction layer, apart from the above phases, X-ray diffraction analysis confirmed the formation of TiO, Al2O3, monoclinic ZrO2 as well as the complex cubic compound Ca0.8Ti0.73+Zr2.4O7, This agrees with a previous X-ray photoelectron spectroscopy result from the surface layer of normal castings. (C) 2004 W. S. Maney Son Ltd.
Keywordtitanium aluminide casting shell mould interface reaction
DOI10.1179/136404604225014800
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000222625000004
PublisherMANEY PUBLISHING
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/118416
Collection中国科学院金属研究所
Corresponding AuthorYang, R
AffiliationChinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Jia, Q,Cui, YY,Yang, R. Intensified interfacial reactions between gamma titanium aluminide and CaO stabilised ZrO2[J]. INTERNATIONAL JOURNAL OF CAST METALS RESEARCH,2004,17(1):23-27.
APA Jia, Q,Cui, YY,&Yang, R.(2004).Intensified interfacial reactions between gamma titanium aluminide and CaO stabilised ZrO2.INTERNATIONAL JOURNAL OF CAST METALS RESEARCH,17(1),23-27.
MLA Jia, Q,et al."Intensified interfacial reactions between gamma titanium aluminide and CaO stabilised ZrO2".INTERNATIONAL JOURNAL OF CAST METALS RESEARCH 17.1(2004):23-27.
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