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Controlled crystallization of GeSe2-Ga2Se3-CsI chalcohalide glasses during molding

Abstract : This is an attempt to produce molded 8-14 μm transmitting glass-ceramics by a one-step molding technique. Controlled crystallization is expected to be carried out during application of an appropriate molding process to pure glasses. GeSe2-Ga2Se3-CsI chalcohalide glass was used for the attempt, and well-designed molding parameters were applied to the glass. The results indicate that large quantities of submicrometer crystalline particles are formed and regularly distributed inside the glass matrix during the molding, leading to improved toughness without influencing the 8-14 μm transmittance. This phenomenon implies that it is possible and convenient to produce molded glass-ceramics by a one-step molding technique.
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https://hal.archives-ouvertes.fr/hal-00402228
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Submitted on : Tuesday, July 7, 2009 - 9:40:27 AM
Last modification on : Wednesday, April 7, 2021 - 3:18:02 PM

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Zhiyong Yang, Wei Chen, Hongli Ma, Xianghua Zhang. Controlled crystallization of GeSe2-Ga2Se3-CsI chalcohalide glasses during molding. Journal of the American Ceramic Society, Wiley, 2008, 91 (8), pp.2720-2723. ⟨10.1111/j.1551-2916.2008.02471.x⟩. ⟨hal-00402228⟩

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