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Article: Interface reaction between ceramic moulds and Ti46Al1B as-cast valves

TitleInterface reaction between ceramic moulds and Ti46Al1B as-cast valves
Authors
Ma, YingcheWang, WeidongChen, BoGao, MingLiu, KuiLi, Yiyi
KeywordsTiAl alloy
Thermodynamics
Reaction layer
Interface reaction
Centrifugal casting
Issue Date2009
Citation
Jinshu Xuebao/ Acta Metallurgica Sinica, 2009, v. 45, n. 3, p. 369-373 How to Cite?
AbstractAl2O3 and Y2O3 were used as surface materials of shell mould to centrifugal-cast Ti46Al1B (atomic fraction, %) valves, the interface reaction between shell and alloy and its mechanism were analyzed by SEM and XRD, and oxygen increment in the castings was measured by gas analysis. The results show that the reaction layer thicknesses of Y2O3 and Al2O3 shells are about 90 and 170 μm, respectively, indicating Y2O3 shell has better thermodynamic stability and smaller increment of oxygen in casting than Al2O3 shell, which is accordant with thermodynamic calculation. So the Y2O3 mould is fitter for casting Ti46Al1B valves than Al2O3 mould.
Persistent Identifierhttp://hdl.handle.net/10722/265556
ISSN
0412-1961
2021 Impact Factor: 1.797
2020 SCImago Journal Rankings: 0.381

 

DC FieldValueLanguage
dc.contributor.authorMa, Yingche-
dc.contributor.authorWang, Weidong-
dc.contributor.authorChen, Bo-
dc.contributor.authorGao, Ming-
dc.contributor.authorLiu, Kui-
dc.contributor.authorLi, Yiyi-
dc.date.accessioned2018-12-03T01:21:01Z-
dc.date.available2018-12-03T01:21:01Z-
dc.date.issued2009-
dc.identifier.citationJinshu Xuebao/ Acta Metallurgica Sinica, 2009, v. 45, n. 3, p. 369-373-
dc.identifier.issn0412-1961-
dc.identifier.urihttp://hdl.handle.net/10722/265556-
dc.description.abstractAl2O3 and Y2O3 were used as surface materials of shell mould to centrifugal-cast Ti46Al1B (atomic fraction, %) valves, the interface reaction between shell and alloy and its mechanism were analyzed by SEM and XRD, and oxygen increment in the castings was measured by gas analysis. The results show that the reaction layer thicknesses of Y2O3 and Al2O3 shells are about 90 and 170 μm, respectively, indicating Y2O3 shell has better thermodynamic stability and smaller increment of oxygen in casting than Al2O3 shell, which is accordant with thermodynamic calculation. So the Y2O3 mould is fitter for casting Ti46Al1B valves than Al2O3 mould.-
dc.languageeng-
dc.relation.ispartofJinshu Xuebao/ Acta Metallurgica Sinica-
dc.subjectTiAl alloy-
dc.subjectThermodynamics-
dc.subjectReaction layer-
dc.subjectInterface reaction-
dc.subjectCentrifugal casting-
dc.titleInterface reaction between ceramic moulds and Ti46Al1B as-cast valves-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-64749116779-
dc.identifier.volume45-
dc.identifier.issue3-
dc.identifier.spage369-
dc.identifier.epage373-
dc.identifier.issnl0412-1961-

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