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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Crystallization behavior of beta '-Gd-2(MoO4)(3) and Gd4Mo7O27 in composition designed Gd2O3-MoO3-B2O3 glasses
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Crystallization behavior of beta '-Gd-2(MoO4)(3) and Gd4Mo7O27 in composition designed Gd2O3-MoO3-B2O3 glasses

机译：β'-GD-2（MOO4）（3）和GD4MO7O27在组成中设计Gd2O3-Moo3-B2O3玻璃的结晶行为

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摘要

The crystallization behavior of ferroelastic beta '-Gd-2(MoO4)(3) with the molar ratio of Gd2O3/MoO3 = 1/3 and Gd4Mo7O27 with Gd2O3/MoO3 = 1/3.5 in Gd2O3-MoO3-B2O3 glasses was studied to clarify the formation mechanism of beta '-Gd-2(MoO4)(3) and the self-powdering phenomenon induced during the crystallization more deeply. In 20Gd(2)O(3)-60MoO(3)-20B(2)O(3) glass, the Gd4Mo7O27 crystalline phase was formed initially in heat-treatments at near the glass transition temperature (T-g = 516 degrees C) prior to the formation of the beta '-Gd-2(MoO4)(3) crystalline phase at near the crystallization peak temperature (T-p = 583 degrees C). In 18.89Gd(2)O(3)-66.11MoO(3)-15B(2)O(3)-1Al(2)O(3) glass (T-g = 507 degrees C and T-p = 572 degrees C) with Gd2O3/MoO3 = 1/3.5, Gd4Mo7O27 crystals were formed through the crystallization and present stably in the wide temperature range and transformed into beta '-Gd-2(MoO4)(3) crystals at a high temperature of 900 degrees C, proposing new glass-ceramics consisting of Gd4Mo7O27 crystals. The self-powdering phenomenon was not observed in the crystallized glasses with Gd4Mo7O27.
机译：研究了与Gd2O3 / moO3-B2O3玻璃中Gd2O3 / moO3 = 1 / 3.5的Gd2O3 / moo3 = 1/3和Gd4mO7O27的摩尔比的铁弹性β'-gd-2（moo4）（3）的结晶行为进行阐明β'-GD-2（MOO4）（3）的形成机制和更深入的结晶期间诱导的自粉体现象。在20GD（2）O（3）-60Moo（3）-20b（2）O（3）玻璃中，最初在玻璃化转变温度（Tg = 516℃）附近的热处理中形成Gd4mO7O27结晶相在结晶峰值温度（Tp = 583℃）附近形成β'-GD-2（MOO4）（3）结晶相的形成。 18.89gd（2）o（3）-66.11moo（3）-15b（2）o（3）-1al（2）o（3）o（3）玻璃（Tg = 507摄氏度和Tp = 572℃），Gd2O3 / MOO3 = 1 / 3.5，通过结晶形成Gd4mO7O27晶体，并在宽温度范围内稳定存列，并在高温为900℃的β'-GD-2（MOO4）（3）晶体中，提出新玻璃 - 由GD4MO7O27晶体组成的卡式菌素。在具有GD4MO7O27的结晶眼镜中未观察到自粉体现象。

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