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Combustion synthesis and structural characterization of theTiB.sub.2./sub.–(Na.sub.2./sub.O.2B.sub.2./sub.O.sub.3./sub.–Al.sub.2./sub.O.sub.3./sub.) composites

  1. 1.
    SYSNO ASEP0449348
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleCombustion synthesis and structural characterization of theTiB2–(Na2O.2B2O3–Al2O3) composites
    Author(s) Buixaderas, Elena (FZU-D) RID, ORCID
    Anghel, M. (RO)
    Atkinson, I. (RO)
    Simon, P. (FR)
    Bratan, V. (RO)
    Petrescu, S. (RO)
    Source TitleCeramics International. - : Elsevier - ISSN 0272-8842
    Roč. 41, 2B (2015), s. 2680-2689
    Number of pages10 s.
    Languageeng - English
    CountryGB - United Kingdom
    Keywordspowders ; composites ; spectroscopy ; optical properties
    Subject RIVCF - Physical ; Theoretical Chemistry
    Institutional supportFZU-D - RVO:68378271
    UT WOS000348003100006
    EID SCOPUS84919430969
    DOI10.1016/j.ceramint.2014.10.082
    AnnotationTwo TiB2:(Na2B4O7–Al2O3)=3:5 and TiB2:(1.28Na2B4O7–Al2O3)=6:7 compositions, named 5DB and 7DB respectively, were prepared by combustion synthesis in simultaneous mode at 800, 900 and 1000 °C. X-ray diffraction, differential scanning calorimetry (DSC), UV–vis and room and high temperature Raman measurements were carried out to investigate the combustion products. The crystalline phase of the 5DB composite yielded at 1000 °C (5DB_1000), which represents 62 wt%, mostly consists of TiB2 (93 wt%) while Ti2O3 accounts for only 7 wt%. Proportion of the tetrahedral boron atoms, N4, in the blank and embedding sodium aluminium borate matrices was found from the high frequency Raman spectra using a constrained-width model in order to agree with the literature NMR data.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2016
Number of the records: 1  

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