Mechanical properties of fluorozirconate-based glass ceramics for medical and photovoltaic applications |
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| Authors: | B Ahrens S Brand T Büchner P Darr S Schoenfelder C Paßlick S Schweizer |
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| Institution: | 1. Fraunhofer Center for Silicon Photovoltaics, Walter-Hülse-Str. 1, 06120 Halle (Saale), Germany;2. Fraunhofer Institute for Mechanics of Materials, Walter-Hülse-Str. 1, 06120 Halle (Saale), Germany;3. Centre for Innovation Competence SiLi-nano®, Martin Luther University of Halle-Wittenberg, Karl-Freiherr-von-Fritsch-Str. 3, 06120 Halle (Saale), Germany |
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| Abstract: | Young's and shear moduli were analyzed in Eu2+-doped fluorozirconate glasses, which were additionally doped with chlorine ions. Upon annealing between 240 °C and 290 °C, barium chloride nanocrystals were formed in the glass. Determination of the Vickers hardness, H, leads to a slight trend of decreasing hardness for higher annealing temperatures, whereas subsequent annealing has almost no effect on the fracture toughness KIc. |
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