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Article Dans Une Revue Journal of the American Ceramic Society Année : 2008

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

Wei Chen
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Hongli Ma
Xianghua Zhang

Résumé

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.

Domaines

Matériaux

Dates et versions

hal-00402228 , version 1 (07-07-2009)

Identifiants

Citer

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