Nitrogen-doped TiAl alloys - Part I - Microstructure control

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dc.contributor.authorYun, JHko
dc.contributor.authorWee, Dang-Moonko
dc.contributor.authorOh, MHko
dc.contributor.authorInui, Hko
dc.contributor.authorYamaguchi, Mko
dc.date.accessioned2007-10-29T15:09:53Z-
dc.date.available2007-10-29T15:09:53Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2000-09-
dc.identifier.citationJOURNAL OF MATERIALS SCIENCE, v.35, no.18, pp.4527 - 4532-
dc.identifier.issn0022-2461-
dc.identifier.urihttp://hdl.handle.net/10203/1790-
dc.description.abstractEffects of nitrogen addition on the microstructure control of two-phase TiAl intermetallic compounds were investigated. 1.0 at.% nitrogen addition leads to remarkable grain refinement in the fully lamellar microstructure but had little effect on the duplex microstructure. Only Ti3AlN precipitate was formed in 0.3 at.% nitrogen-doped alloy and both Ti2AlN and Ti3AlN precipitates were formed in 1.0 at.% nitrogen-doped alloy. Since the formation of the gamma phase is retarded by nitrogen addition, long-term heat treatment is needed for the duplex microstructure in the 1.0 at.% nitrogen-doped alloy. Though 0.3 at.% nitrogen-doped alloy had much lower elongation than the mother alloy, 1.0 at.% nitrogen addition had little effect on room temperature elongation and increased room temperature yield strength by two times in the fully lamellar microstructure. (C) 2000 Kluwer Academic Publishers.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherKLUWER ACADEMIC PUBL-
dc.subjectGAMMA-TITANIUM ALUMINIDES-
dc.subjectMECHANICAL-PROPERTIES-
dc.titleNitrogen-doped TiAl alloys - Part I - Microstructure control-
dc.typeArticle-
dc.identifier.wosid000088984000006-
dc.identifier.scopusid2-s2.0-0034270060-
dc.type.rimsART-
dc.citation.volume35-
dc.citation.issue18-
dc.citation.beginningpage4527-
dc.citation.endingpage4532-
dc.citation.publicationnameJOURNAL OF MATERIALS SCIENCE-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorWee, Dang-Moon-
dc.contributor.nonIdAuthorYun, JH-
dc.contributor.nonIdAuthorOh, MH-
dc.contributor.nonIdAuthorInui, H-
dc.contributor.nonIdAuthorYamaguchi, M-
dc.type.journalArticleArticle-
dc.subject.keywordPlusGAMMA-TITANIUM ALUMINIDES-
dc.subject.keywordPlusMECHANICAL-PROPERTIES-
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