{"title":"Radio-transparent strontium-anorthite ceramics modified with SrO–Al2O3–B2O3–SiO2 glass: synthesis, microstructure, thermal and physical properties","authors":"Aleksandra Amelina, Oleksandr Zaichuk, Yurii Hordieiev, Danyil Filonenko, Krystyna Kozis, Hennadii Osinovyy","doi":"10.1007/s41779-025-01167-2","DOIUrl":null,"url":null,"abstract":"<div><p>The article presents research results on radio-transparent strontium-anorthite ceramics, in which some components were introduced using eutectic glass of the SrO–Al<sub>2</sub>O<sub>3</sub>–SiO<sub>2</sub> pseudoternary system. During the firing process, the principle of reactive formation of the ceramic structure is realized. The resulting dense material was obtained at relatively low temperatures 1200 °C. The only crystalline phase of the developed ceramics is the monoclinic form of strontium anorthite, which forms a homogeneous structural matrix of the material. The developed strontium-anorthite ceramics are characterized by a low thermal linear expansion coefficient of (39.2–39.7)×10<sup>− 7</sup>°C<sup>-1</sup>, which ensures their high thermal stability (750 °C). The synthesized ceramics meet the requirements for high-frequency radio-transparent materials, including structural ones, with a relative dielectric permittivity of (5.1–5.3) and dielectric loss of 0.001 at a frequency of 10<sup>10</sup> Hz.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":673,"journal":{"name":"Journal of the Australian Ceramic Society","volume":"61 4","pages":"1321 - 1334"},"PeriodicalIF":2.1000,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Australian Ceramic Society","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s41779-025-01167-2","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
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Abstract
The article presents research results on radio-transparent strontium-anorthite ceramics, in which some components were introduced using eutectic glass of the SrO–Al2O3–SiO2 pseudoternary system. During the firing process, the principle of reactive formation of the ceramic structure is realized. The resulting dense material was obtained at relatively low temperatures 1200 °C. The only crystalline phase of the developed ceramics is the monoclinic form of strontium anorthite, which forms a homogeneous structural matrix of the material. The developed strontium-anorthite ceramics are characterized by a low thermal linear expansion coefficient of (39.2–39.7)×10− 7°C-1, which ensures their high thermal stability (750 °C). The synthesized ceramics meet the requirements for high-frequency radio-transparent materials, including structural ones, with a relative dielectric permittivity of (5.1–5.3) and dielectric loss of 0.001 at a frequency of 1010 Hz.
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