Preparation of Li2ZrO3 by powder reaction and hydrolysis of metal alkoxides
Identifieur interne : 004700 ( Main/Exploration ); précédent : 004699; suivant : 004701Preparation of Li2ZrO3 by powder reaction and hydrolysis of metal alkoxides
Auteurs : C. Alvani [Italie] ; L. Bruzzi [Italie] ; S. Casadio [Italie] ; V. Rondinella [Italie] ; A. Tucci [Italie] ; E. H. Toscano [Italie, Allemagne]Source :
- Journal of the European Ceramic Society [ 0955-2219 ] ; 1989.
Abstract
Three methods have been developed to produce high purity, fine grained lithium metazirconate (Li2ZrO3) powders. In the first, a solid state powder reaction starting from lithium peroxide and zirconia fine commercial powders was performed. Alternatively, two wet routes were developed, both starting from metal alkoxides: the first consists of a hydrolysis and coprecipitation; the second route is based on the hydrolysis and polycondensation of the precursors, mixed in solution and gelled. Subsequently, the powders were calcined to obtain the lithium metazirconate. Uniaxial cold pressing and pressureless sintering were used to consolidate monoliths having about 80% of the theoretical density and a pore distribution which made the material suitable for the blanket of fusion reactors.
Url:
DOI: 10.1016/0955-2219(89)90024-1
Affiliations:
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Toscano</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Centro Ceramico Bologna, Via Martelli 26, 40138-Bologna</wicri:regionArea><wicri:noRegion>40138-Bologna</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>∗Present address: Commission of the European Communities, European Institute for Transuranium Elements, Postfach 2340, 7500 Karlsruhe</wicri:regionArea><wicri:noRegion>7500 Karlsruhe</wicri:noRegion><wicri:noRegion>7500 Karlsruhe</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of the European Ceramic Society</title><title level="j" type="abbrev">JECS</title><idno type="ISSN">0955-2219</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1989">1989</date><biblScope unit="volume">5</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="295">295</biblScope><biblScope unit="page" to="302">302</biblScope></imprint><idno type="ISSN">0955-2219</idno></series><idno type="istex">C30F4DAA429AFA0B51AB4EA436C21943251B1D13</idno><idno type="DOI">10.1016/0955-2219(89)90024-1</idno><idno type="PII">0955-2219(89)90024-1</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0955-2219</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Three methods have been developed to produce high purity, fine grained lithium metazirconate (Li2ZrO3) powders. In the first, a solid state powder reaction starting from lithium peroxide and zirconia fine commercial powders was performed. Alternatively, two wet routes were developed, both starting from metal alkoxides: the first consists of a hydrolysis and coprecipitation; the second route is based on the hydrolysis and polycondensation of the precursors, mixed in solution and gelled. Subsequently, the powders were calcined to obtain the lithium metazirconate. Uniaxial cold pressing and pressureless sintering were used to consolidate monoliths having about 80% of the theoretical density and a pore distribution which made the material suitable for the blanket of fusion reactors.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Italie</li></country><region><li>Latium</li></region><settlement><li>Rome</li></settlement></list><tree><country name="Italie"><region name="Latium"><name sortKey="Alvani, C" sort="Alvani, C" uniqKey="Alvani C" first="C." last="Alvani">C. Alvani</name></region><name sortKey="Bruzzi, L" sort="Bruzzi, L" uniqKey="Bruzzi L" first="L." last="Bruzzi">L. Bruzzi</name><name sortKey="Casadio, S" sort="Casadio, S" uniqKey="Casadio S" first="S." last="Casadio">S. Casadio</name><name sortKey="Rondinella, V" sort="Rondinella, V" uniqKey="Rondinella V" first="V." last="Rondinella">V. Rondinella</name><name sortKey="Toscano, E H" sort="Toscano, E H" uniqKey="Toscano E" first="E. H." last="Toscano">E. H. Toscano</name><name sortKey="Tucci, A" sort="Tucci, A" uniqKey="Tucci A" first="A." last="Tucci">A. Tucci</name></country><country name="Allemagne"><noRegion><name sortKey="Toscano, E H" sort="Toscano, E H" uniqKey="Toscano E" first="E. H." last="Toscano">E. H. Toscano</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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