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首页> 美国政府科技报告 >Fabrication and Characterization of an Improved Borosilicate Glass for Solidification of High-Level Fission-Product Solutions (HLW). Part 1. Studies of 25 Borosilicate-Glass Products for Selection of an Improved Borosilicate Glass
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Fabrication and Characterization of an Improved Borosilicate Glass for Solidification of High-Level Fission-Product Solutions (HLW). Part 1. Studies of 25 Borosilicate-Glass Products for Selection of an Improved Borosilicate Glass

机译：用于凝固高级裂变产物溶液（HLW）的改进硼硅酸盐玻璃的制备和表征。第1部分：用于选择改进的硼硅酸盐玻璃的25种硼硅酸盐玻璃产品的研究

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The proportion of the glass constituents in the glass were varied. Taking gadolinia-containing waste into account, this approach led to 25 different basis glasses. Using the basic glasses and 15 wt % of inactive HLW oxides in each case, 25 borosilicate-glass products were melted in the laboratory, under conditions approximating the industrial fabrication process. The density, thermal conductivity, thermal expansion, characteristic temperatures, viscosity, specific heat, vaporization losses from the glass melt, electrical conductance, mechanical strength, hydrolytic resistance, crystallization behavior and tendency towards formation of additional phases were determined. On the basis of the individual values obtained, the glass products GP 98/12 (without Gd sub 2 O sub 3 ) and GP 98/26 (with Gd sub 2 O sub 3 ) were selected as improved matrix glasses for further characterization. The hydrolytic resistance, viscosity at 1420 exp 0 K, crystallization tendency and tendency towards formation of further phases proved to be the most important. (ERA citation 05:020152)

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