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Article: Fabrication and improvement of the density of Li2TiO3 pebbles by the optimization of a sol-gel method

TitleFabrication and improvement of the density of Li2TiO3 pebbles by the optimization of a sol-gel method
Authors
KeywordsGelation
Gels
Lithium
Sol-Gel Process
Sol-Gels
Sols
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jnucmat
Citation
Journal of Nuclear Materials, 2009, v. 393 n. 1, p. 186-191 How to Cite?
AbstractLi2TiO3 is regarded as a promising candidate breeder in solid blanket concepts. Pebble configuration has been a preferred option due to its potential advantages in blanket design. Li2TiO3 pebbles were successfully fabricated by a water-based sol-gel method previously. However, the sintered density of the pebbles was very low (less than 70% theoretical density). The process parameters were optimized and the sintered density of the pebbles was improved significantly in this work. Li2TiO3 pebbles with density as high as 85% were obtained at a relatively lower sintering temperature (1100 °C) and shorter sintering time (4 h). The experimental results showed that the viscosity of the sol was influential to the sphericity of the gel-spheres and thus the sintered pebbles. The variety of lithium source, the pH value of the solution and the sintering conditions demonstrated significant influences on the microstructure and density of the sintered Li2TiO3 pebbles. © 2009 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/91061
ISSN
2015 Impact Factor: 2.199
2015 SCImago Journal Rankings: 1.133
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWu, Xen_HK
dc.contributor.authorWen, Zen_HK
dc.contributor.authorXu, Xen_HK
dc.contributor.authorHan, Jen_HK
dc.contributor.authorLin, Ben_HK
dc.date.accessioned2010-09-17T10:12:27Z-
dc.date.available2010-09-17T10:12:27Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal of Nuclear Materials, 2009, v. 393 n. 1, p. 186-191en_HK
dc.identifier.issn0022-3115en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91061-
dc.description.abstractLi2TiO3 is regarded as a promising candidate breeder in solid blanket concepts. Pebble configuration has been a preferred option due to its potential advantages in blanket design. Li2TiO3 pebbles were successfully fabricated by a water-based sol-gel method previously. However, the sintered density of the pebbles was very low (less than 70% theoretical density). The process parameters were optimized and the sintered density of the pebbles was improved significantly in this work. Li2TiO3 pebbles with density as high as 85% were obtained at a relatively lower sintering temperature (1100 °C) and shorter sintering time (4 h). The experimental results showed that the viscosity of the sol was influential to the sphericity of the gel-spheres and thus the sintered pebbles. The variety of lithium source, the pH value of the solution and the sintering conditions demonstrated significant influences on the microstructure and density of the sintered Li2TiO3 pebbles. © 2009 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jnucmaten_HK
dc.relation.ispartofJournal of Nuclear Materialsen_HK
dc.subjectGelationen_HK
dc.subjectGelsen_HK
dc.subjectLithiumen_HK
dc.subjectSol-Gel Processen_HK
dc.subjectSol-Gelsen_HK
dc.subjectSolsen_HK
dc.titleFabrication and improvement of the density of Li2TiO3 pebbles by the optimization of a sol-gel methoden_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jnucmat.2009.06.002en_HK
dc.identifier.scopuseid_2-s2.0-68049129535en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-68049129535&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume393en_HK
dc.identifier.issue1en_HK
dc.identifier.spage186en_HK
dc.identifier.epage191en_HK
dc.identifier.isiWOS:000269582700024-
dc.identifier.citeulike4972193-

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