Characterization of structural, thermal and mechanical properties of bismuth silicate glasses - Publikacja - MOST Wiedzy

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Characterization of structural, thermal and mechanical properties of bismuth silicate glasses

Abstrakt

he influence of heating and reduction processes on the structural, thermal and mechanical properties of bismuth-silicate glasses has been investigated. Two compositions of glasses: 40Bi2O3–60SiO2 (Bi0.57Si0.43Ox) and 27Bi2O3–73SiO2 (Bi0.43Si0.57Ox) were fabricated by a typical melt quenching technique. Then the reduction in hydrogen at 380 °C for 20, 42 or 67 h was performed. It was found that a 50 μm-thick layer was formed on the glass surface after reduction process. It was confirmed that this layer is formed by granules of metallic bismuth embedded in a glass matrix. The DSC measurements confirmed that melting of metallic bismuth takes place during heating of a previously reduced glass sample. It was also found that heat treatment process influences hardness and Young modulus of Bi–Si–O glass.

Cytowania

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF NON-CRYSTALLINE SOLIDS nr 439, strony 51 - 56,
ISSN: 0022-3093
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
Bochentyn B., Warych A., Szreder N., Mielewczyk-Gryń A., Karczewski J., Prześniak-Welenc M., Gazda M., Kusz B.: Characterization of structural, thermal and mechanical properties of bismuth silicate glasses// JOURNAL OF NON-CRYSTALLINE SOLIDS. -Vol. 439, (2016), s.51-56
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jnoncrysol.2016.02.026
Weryfikacja:
Politechnika Gdańska

wyświetlono 27 razy

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