The effect of cation type, intergranular phase amount and cation mole ratios on z value and intergranular phase crystallization of SiAlON ceramics

Basit Öğe Kaydı
dc.authorid0000-0001-6193-8252
dc.contributor.authorAcikbas, Nurcan Calis
dc.contributor.authorDemir, Oguzhan
dc.date.accessioned2025-05-20T18:59:19Z
dc.date.issued2013
dc.departmentBilecik Şeyh Edebali Üniversitesi
dc.description.abstractThe chemical resistance of SiAlONs is controlled by various factors such as z value, microstructure, type and amount of sintering additives, and intergranular phase nature (amorphous or crystalline). In this study, the relationship between z value and intergranular phase crystallization of alpha(1):beta(1)-SiAlON composites reinforced with TiN (17 wt%) was investigated by using various dopant systems (Y:Sm:Ca, Yb:Sm:Ca, and Er:Sm:Ca) and various amounts of intergranular phase. The effect of TiN on densification, phase assemblage and microstructural evolution of composites was systematically investigated. Further, the effects of variations in the sintering aid amount and cation mole ratios on density, hardness and fracture toughness were determined in relation to z values. It was found that high z value (> 0.5), crystalline intergranular phase and appropriate mechanical properties can be achieved by selecting the type of sintering additive, its amount and ratio. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
dc.description.sponsorshipTUBITAK (Ankara, Turkey) [CAREER-110M727]
dc.description.sponsorshipThis work was financially supported by TUBITAK (Ankara, Turkey) in the scope of CAREER-110M727 Project. The authors specially thank Prof. Dr. Ferhat Kara from Anadolu University for his invaluable discussions and Anadolu University, Department of Materials Science and Engineering for allowing us to access his laboratory facilities.
dc.identifier.doi10.1016/j.ceramint.2012.10.013
dc.identifier.endpage3259
dc.identifier.issn0272-8842
dc.identifier.issn1873-3956
dc.identifier.issue3
dc.identifier.scopus2-s2.0-84872907240
dc.identifier.scopusqualityQ1
dc.identifier.startpage3249
dc.identifier.urihttps://doi.org/10.1016/j.ceramint.2012.10.013
dc.identifier.urihttps://hdl.handle.net/11552/8357
dc.identifier.volume39
dc.identifier.wosWOS:000316032900132
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWoS
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWoS - Science Citation Index Expanded
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofCeramics International
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250518
dc.subjectComposites
dc.subjectMechanical properties
dc.subjectSiAlON
dc.subjectz Value
dc.titleThe effect of cation type, intergranular phase amount and cation mole ratios on z value and intergranular phase crystallization of SiAlON ceramics
dc.typeArticle

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