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The crystallisation of calcium phosphate glass containing vanadium oxide
dc.creator | Živanović, Vladimir D. | |
dc.creator | Tošić, Mihajlo B. | |
dc.creator | Blagojević, Nikola S. | |
dc.creator | Grujić, Snežana | |
dc.creator | Mitrović, Mico M. | |
dc.date.accessioned | 2021-03-10T10:39:37Z | |
dc.date.available | 2021-03-10T10:39:37Z | |
dc.date.issued | 2007 | |
dc.identifier.issn | 0862-5468 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1033 | |
dc.description.abstract | The crystallisation behaviour of calcium phosphate glass containing vanadium oxide was studied. Glass with a molar ratio of [CaO]/[P2O5] = 1.13 and a V2O5 content of 8 mol.% was prepared for the experiments. The crystallisation of bulk glass samples was performed tinder isothermal conditions at T = 650-820 degrees C. The surface crystallisation mechanism of studied glass with dendritic growth of the primary alpha-Ca2P2O7 phase was observed. In all crystallised samples, beta-Ca2P2O7 and VP2O7 appeared as the secondary phases. In the investigated temperature range, crystal growth rates 9 x 10(-9) - 2.14 x 10(-6) m/s were determined. The temperature dependence of the crystal growth rate makes possible to calculate activation energy E-a = 407 +/- 30 kJ/mol of crystallization. The experimental data were compared with those estimated by using a theoretical model of the crystal growth rate and good agreement between the results was found. | en |
dc.publisher | University of Chemistry and Technology, Prague | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Ceramics - Silikaty | |
dc.subject | phosphate glass | en |
dc.subject | vanadium oxide | en |
dc.subject | crystallisation | en |
dc.title | The crystallisation of calcium phosphate glass containing vanadium oxide | en |
dc.type | article | |
dc.rights.license | BY-NC-ND | |
dc.citation.epage | 118 | |
dc.citation.issue | 2 | |
dc.citation.other | 51(2): 112-118 | |
dc.citation.rank | M22 | |
dc.citation.spage | 112 | |
dc.citation.volume | 51 | |
dc.identifier.fulltext | http://TechnoRep.tmf.bg.ac.rs/bitstream/id/8/1030.pdf | |
dc.identifier.pmid | ||
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_technorep_1033 | |
dc.identifier.scopus | 2-s2.0-34547182401 | |
dc.identifier.wos | 000249498400009 | |
dc.type.version | publishedVersion |