The effect of Ti on the sintering and mechanical properties of refractory high-entropy alloy TixWTaVCr fabricated via spark plasma sintering for fusion plasma-facing materials

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dc.contributor.authorWaseem, Owais Ahmedko
dc.contributor.authorLee, Junhoko
dc.contributor.authorLee, Hyuck-Moko
dc.contributor.authorRyu, Ho Jinko
dc.date.accessioned2018-05-23T06:43:40Z-
dc.date.available2018-05-23T06:43:40Z-
dc.date.created2017-12-30-
dc.date.created2017-12-30-
dc.date.issued2018-05-
dc.identifier.citationMATERIALS CHEMISTRY AND PHYSICS, v.210, pp.87 - 94-
dc.identifier.issn0254-0584-
dc.identifier.urihttp://hdl.handle.net/10203/241562-
dc.description.abstractThe synthesis and characterization of TixWTaVCr alloys for high-temperature and fusion plasma-facing applications are presented in this study. Specimens of TixWTaVCr containing 0 to 7 at% Ti were prepared via spark plasma sintering of an elemental powder mixture at 1500 °C. Characterization of sintered samples via X-ray diffraction and scanning electron microscopy with energy dispersive spectroscopy revealed increased formation of a BCC solid solution due to the addition of up to 7 at% Ti. Mechanical characterizations of the TixWTaVCr alloys indicate that they are harder and stronger than several reported high-entropy alloys. The alloy that contained 7 at% Ti also exhibited improved oxidation resistance in air at 1000 °C. Its improved strength, hardness, and oxidation resistance suggest future applications for this high-entropy alloy in high-temperature and nuclear applications.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectOXIDATION BEHAVIOR-
dc.subjectCARBON CONTAMINATION-
dc.subjectPHASE-EQUILIBRIA-
dc.subjectMICROSTRUCTURE-
dc.subjectNB-
dc.subjectCOMPOSITE-
dc.subjectSYSTEM-
dc.subjectSPINEL-
dc.subjectSTEELS-
dc.subjectSPS-
dc.titleThe effect of Ti on the sintering and mechanical properties of refractory high-entropy alloy TixWTaVCr fabricated via spark plasma sintering for fusion plasma-facing materials-
dc.typeArticle-
dc.identifier.wosid000429762200013-
dc.identifier.scopusid2-s2.0-85021281929-
dc.type.rimsART-
dc.citation.volume210-
dc.citation.beginningpage87-
dc.citation.endingpage94-
dc.citation.publicationnameMATERIALS CHEMISTRY AND PHYSICS-
dc.identifier.doi10.1016/j.matchemphys.2017.06.054-
dc.contributor.localauthorLee, Hyuck-Mo-
dc.contributor.localauthorRyu, Ho Jin-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorPlasma-facing materials-
dc.subject.keywordAuthorHigh-entropy alloy-
dc.subject.keywordAuthorTungsten-
dc.subject.keywordAuthorHardness-
dc.subject.keywordAuthorCompressive strength-
dc.subject.keywordPlusOXIDATION BEHAVIOR-
dc.subject.keywordPlusCARBON CONTAMINATION-
dc.subject.keywordPlusPHASE-EQUILIBRIA-
dc.subject.keywordPlusMICROSTRUCTURE-
dc.subject.keywordPlusNB-
dc.subject.keywordPlusCOMPOSITE-
dc.subject.keywordPlusSYSTEM-
dc.subject.keywordPlusSPINEL-
dc.subject.keywordPlusSTEELS-
dc.subject.keywordPlusSPS-
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