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    <id>4338</id>
    <completedYear>2025</completedYear>
    <publishedYear>2025</publishedYear>
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    <language>eng</language>
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    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>279</volume>
    <type>article</type>
    <publisherName>Elsevier BV</publisherName>
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    <publishedDate>2025-10-24</publishedDate>
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    <title language="eng">Microstructural, physico-mechanical, optical and photocatalytic characteristics of kaolin-based eucryptite glass ceramics</title>
    <abstract language="eng">Lithium aluminosilicates glass ceramics were prepared from quarried kaolin and artificial lithium carbonate. Different techniques were used to characterize the starting batches, glasses and glass ceramics, these are: laser PSDs, XRD, XRF, DSC, SEM-EDAX, bulk density, CTE, microhardness, FTIR, UV-Vis spectrophotometer in addition to Factsage (8.3) thermodynamic modeling software. Results show that the Al/Si ratio and total impurities of kaolin-based batches influence the crystallization of non-cracked and directly bounded coated eucryptite with shielding rims of lithium metasilicates, nepheline, leucite and silicate glassy phase. Notably, the low-grade kaolin-based batch motivates the crystallization of mature lithium aluminosilicate glass ceramics microstructure which enhances the bulk density (2.41 g/cm3), apparent porosity (0.7%), water absorption (0.29%), microhardness (394 kg/mm2), thermal expansion coefficient (₋0.76×10-7°C-1) at (25-500°C) and UV-V reflectance up to 86%. The mature microstructure with shielded rimmed eucryptite exhibits outstanding photocatalytic performance, achieving up to 92% removal of MB dye. Such lithium aluminosilicate glass ceramics could be promising in microelectronics and photocatalysis applications.</abstract>
    <parentTitle language="eng">Applied Clay Science</parentTitle>
    <identifier type="issn">0169-1317</identifier>
    <identifier type="doi">10.1016/j.clay.2025.108024</identifier>
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    <author>Ahmed Yahya</author>
    <author>Sherif Allam</author>
    <author>Ola N. Almasarawi</author>
    <author>Salwa A.M. Abdel-Hameed</author>
    <author>Bastian Raab</author>
    <author>AbdelMonem Soltan</author>
    <author>Esmat M.A. Hamzawy</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Kaolin impuritiesLASMicrostructurePhotocatalysisThermal expansion</value>
    </subject>
    <collection role="institutes" number="">Fakultät Werkstofftechnik</collection>
    <collection role="Forschungsschwerpunkt" number="2">Materialien &amp; Produktionstechnik</collection>
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