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dc.contributor.authorLee, DY-
dc.contributor.authorKim, DJ-
dc.contributor.authorJang, JW-
dc.contributor.authorChoi, DW-
dc.contributor.authorLee, SJ-
dc.date.accessioned2024-01-21T15:36:00Z-
dc.date.available2024-01-21T15:36:00Z-
dc.date.created2021-09-04-
dc.date.issued1999-05-
dc.identifier.issn0167-577X-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/142230-
dc.description.abstractY2O3 and Nb2O5 co-doped tetragonal zirconia poly-crystals (TZP) containing 10 to 30 vol.% Al2O3 ((Y,Nb)-TZP/Al2O3) were sintered for 5 h at 1550 degrees C in air and hydrothermal stability of the composites was evaluated after aging for 5 h at 180 degrees C in 0.3 MPa H2O vapor pressure. (Y,Nb)-TZP/Al2O3 composites showed superior phase stability under the hydrothermal condition as compared with 3Y-TZP/Al2O3 composites due to the effects of Y-Nb ordering in t-ZrO2 and the Al2O3 addition. The optimized strength and fracture toughness were 670 MPa and 7.3 MPa m(1/2), respectively, when 20 vol.% of 3.8 mu m Al2O3 particles were added. (C) 1999 Elsevier Science B.V, All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectTETRAGONAL ZIRCONIA POLYCRYSTAL-
dc.subjectFRACTURE-TOUGHNESS-
dc.subjectMECHANICAL-PROPERTIES-
dc.subjectY-TZP-
dc.subjectDEGRADATION-
dc.subjectCERAMICS-
dc.subjectTRANSFORMATION-
dc.subjectSTRENGTH-
dc.titlePhase stability of (Y,NB)-TZP/Al2O3 composites under low temperature hydrothermal conditions-
dc.typeArticle-
dc.identifier.doi10.1016/S0167-577X(99)00010-5-
dc.description.journalClass1-
dc.identifier.bibliographicCitationMATERIALS LETTERS, v.39, no.4, pp.221 - 226-
dc.citation.titleMATERIALS LETTERS-
dc.citation.volume39-
dc.citation.number4-
dc.citation.startPage221-
dc.citation.endPage226-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000080756600006-
dc.identifier.scopusid2-s2.0-0032672489-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.type.docTypeArticle-
dc.subject.keywordPlusTETRAGONAL ZIRCONIA POLYCRYSTAL-
dc.subject.keywordPlusFRACTURE-TOUGHNESS-
dc.subject.keywordPlusMECHANICAL-PROPERTIES-
dc.subject.keywordPlusY-TZP-
dc.subject.keywordPlusDEGRADATION-
dc.subject.keywordPlusCERAMICS-
dc.subject.keywordPlusTRANSFORMATION-
dc.subject.keywordPlusSTRENGTH-
dc.subject.keywordAuthortetragonal zirconia polycrystals-
dc.subject.keywordAuthorY2O3 and Nb2O-
dc.subject.keywordAuthorco-doped zirconia/Al2O3-
dc.subject.keywordAuthorcomposite-
dc.subject.keywordAuthorhydrothermal stability-
dc.subject.keywordAuthormechanical properties-
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