Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10097
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dc.contributor.authorŞimşek, Deniz-
dc.contributor.authorÇiftçioğlu, Rukiye-
dc.contributor.authorHarsa, Şebnem-
dc.date.accessioned2021-01-24T18:32:18Z-
dc.date.available2021-01-24T18:32:18Z-
dc.date.issued2004-
dc.identifier.isbn0-87849-946-6-
dc.identifier.issn1013-9826-
dc.identifier.urihttps://hdl.handle.net/11147/10097-
dc.description8th Conference of the European-Ceramic-Societyen_US
dc.description.abstractThe preparation of calcium phosphate based powders through chemical precipitation in order to determine the optimum conditions for the preparation of stoichiometric, thermally stable hydroxyapatite (HA) powders was investigated in this work. The effects of parameters like pH, aging time, and heat treatment temperature on the phase structure and morphology of the powders were investigated by SEM and XRD.HA was prepared at a Ca/P ratio of 1.67. The precipitation pH had a profound influence on the morphology and crystallite size of the powders in the 4-11 pH range. Relatively large 5 mum prismatic particles were obtained at low pH whereas the powders were formed from agglomerates of nano sized particles at high pH. Powders had a HA dominant phase structure above a pH of 8. Phase pure HA powders were obtained with close to theoretical yields at pH = 10 and 11. The crystallite sizes of the powders varied from about 30 nm at 90degreesC to 50-90 mn at 1250degreesC with the smallest crystallite sizes obtained for pH 10 and 11 powders at 1250degreesC. The crystallite size increased significantly with aging temperature.en_US
dc.description.sponsorshipTurkish Ceram Soc, European Ceram Socen_US
dc.language.isoenen_US
dc.publisherTrans Tech Publicationsen_US
dc.relation.ispartofKey Engineering Materialsen_US
dc.relation.ispartofseriesKey Engineering Materials-
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHydroxyapatiteen_US
dc.subjectPowderen_US
dc.subjectPrecipitationen_US
dc.subjectCrystallite sizeen_US
dc.titlePreparation and characterization of hydroxyapatite/calcium phosphate powdersen_US
dc.typeConference Objecten_US
dc.institutionauthorŞimşek, Deniz-
dc.institutionauthorÇiftçioğlu, Rukiye-
dc.institutionauthorHarsa, Şebnem-
dc.departmentİzmir Institute of Technology. Food Engineeringen_US
dc.identifier.volume264-268en_US
dc.identifier.startpage2075en_US
dc.identifier.endpage2078en_US
dc.identifier.wosWOS:000223059700498en_US
dc.identifier.scopus2-s2.0-8644246827en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ2-
item.openairetypeConference Object-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept03.02. Department of Chemical Engineering-
crisitem.author.dept03.08. Department of Food Engineering-
Appears in Collections:Food Engineering / Gıda Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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