{"title":"Eutectic Additive Influence in the Li2O–B2O3 System on the Sintering Process and Properties of Li2MgTi3O8 Ceramics","authors":"V. D. Stolyarov, O. E. Shubabko, D. I. Vershinin","doi":"10.1007/s10717-024-00633-w","DOIUrl":null,"url":null,"abstract":"<p>The effect of the eutectic additive of the system Li<sub>2</sub>O–B<sub>2</sub>O<sub>3</sub> on the sintering process and the dielectric properties of Li<sub>2</sub>MgTi<sub>3</sub>O<sub>8</sub>-based ceramics was studied. It was found that the introduction of an additive in amounts 10.0 – 15.0% promotes sintering of ceramics by means of a liquid-phase mechanism. Li<sub>2</sub>MgTi<sub>3</sub>O<sub>8</sub>-based ceramic, containing a sintering additive in the amount 15.0% and fired at 900°C, demonstrates the following property levels: average density ρ<sub>av</sub> = 3.04 g/cm<sup>3</sup>, open porosity P<sub>o</sub> = 5.7%, relative dielectric constant ε<sub><i>r</i></sub> = 19.0, and dielectric loss tangent tan δ = 0.028. The lowered sintering temperature of the ceramic will allow the manufacture of different electronic components based on it, using low-temperature co-firing ceramic (LTCC) technology, and the a specified level of dielectric properties will allow the miniaturization of devices.</p>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":null,"pages":null},"PeriodicalIF":0.6000,"publicationDate":"2024-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Glass and Ceramics","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s10717-024-00633-w","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
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Abstract
The effect of the eutectic additive of the system Li2O–B2O3 on the sintering process and the dielectric properties of Li2MgTi3O8-based ceramics was studied. It was found that the introduction of an additive in amounts 10.0 – 15.0% promotes sintering of ceramics by means of a liquid-phase mechanism. Li2MgTi3O8-based ceramic, containing a sintering additive in the amount 15.0% and fired at 900°C, demonstrates the following property levels: average density ρav = 3.04 g/cm3, open porosity Po = 5.7%, relative dielectric constant εr = 19.0, and dielectric loss tangent tan δ = 0.028. The lowered sintering temperature of the ceramic will allow the manufacture of different electronic components based on it, using low-temperature co-firing ceramic (LTCC) technology, and the a specified level of dielectric properties will allow the miniaturization of devices.
期刊介绍：
Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.
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