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dc.contributor.authorSakka, Yoshioen
dc.contributor.authorBadica, Petreen
dc.contributor.authorVasylkiv, Olegen
dc.contributor.authorSolodkyi, Levgenen
dc.contributor.authorBorodianska, Hannaen
dc.contributor.authorZhao, Tingen
dc.identifier.citationSolodkyi, L., Borodianska, H., Zhao, T., Sakka, Y., Badica, P., & Vasylkiv, O. (2014). B6O ceramic by in-situ reactive spark plasma sintering of a B2O3 and B powder mixture. Journal of the Ceramic Society of Japan, 122(1425), 336-340.en
dc.description.abstractA mixture of B2O3 and amorphous B with the mole ratio of 1:14 is shown to react and form B6O ceramic under in-situ spark plasma sintering (SPS) conditions. The optimum SPS temperature and time to obtain phase B6O are 1250°C and 30 min, respectively, and Rietveld refinement of the XRD patterns indicates that the oxygen occupancy of B6Ox is reasonably high at x = 0.89(99). However, to reach high density above 98%, SPS temperatures of 1700–1800°C are necessary and a one-step two-temperature in-situ reactive SPS was designed and applied. As-prepared B6O dense ceramic has Vickers hardness (36.7 ± 1.2 GPa) and fracture toughness (K1c = 4.2 ± 0.15 MPa.m1/2) comparable with the highest values reported in literature for the bulks obtained by processing routes of already reacted B6O powders (ex-situ routes).en
dc.relation.ispartofseriesJournal of the ceramic society of Japanen
dc.rights© 2014 The Ceramic Society of Japan. This paper was published in Journal of the Ceramic Society of Japan and is made available as an electronic reprint (preprint) with permission of The Ceramic Society of Japan. The paper can be found at the following official DOI:  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Engineering::Materials::Ceramic materialsen
dc.titleB6O ceramic by in-situ reactive spark plasma sintering of a B2O3 and B powder mixtureen
dc.typeJournal Articleen
dc.contributor.researchTemasek Laboratoriesen
dc.description.versionPublished versionen
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