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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 >Structure-sensitive investigations on alkali disilicate glass fibers with reference to metasilicate- and silica glass fibers
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Structure-sensitive investigations on alkali disilicate glass fibers with reference to metasilicate- and silica glass fibers

机译：碱金属二硅酸盐玻璃纤维对偏硅酸盐和二氧化硅玻璃纤维的结构敏感性研究

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摘要

Glass fibers of alkali disilicate composition were prepared under defined and systematically varied nozzle drawing conditions. Optical birefringence, 'frozen-in' apparent stress optical constant, density changes relative to the bulk glass and the expansion and shrinking behaviour during heating and annealing were examined. The optical properties indicate a marked cross-linking of the chain structure. The shrinking behaviour of the fibers shows an anomaly which seems to be typical of alkali disilicate glass fibers. Results add to earlier investigations on silicate glass fibers between the metasilicate range and silica glass fibers along the series xSiO(2)(1-x)R2O. The structural alterations due to the variation of the ratio network formeretwork modifier are discussed over the large range of the nearly ideal three-dimensionally connected network structure of the silica glass fibers and of the nearly ideal one-dimensionally connected chain-ring-like structure of the meta-silicate glass fibers. (C) 1997 Elsevier Science B.V.
机译：在限定的和系统地变化的喷嘴拉伸条件下制备碱金属二硅酸盐组合物的玻璃纤维。检查了光学双折射，“冻结”表观应力光学常数，相对于块状玻璃的密度变化以及在加热和退火过程中的膨胀和收缩行为。光学性质表明链结构的显着交联。纤维的收缩行为显示出异常，这似乎是碱金属二硅酸盐玻璃纤维的典型现象。结果增加了对沿xSiO（2）（1-x）R2O系列的偏硅酸盐范围和硅酸盐玻璃纤维之间的硅酸盐玻璃纤维的早期研究。在大范围的石英玻璃纤维的近乎理想的三维连接网络结构和近乎理想的一维连接的链环状结构的大范围内，讨论了由于比例网络形成剂/网络改性剂的变化而引起的结构变化。硅酸盐玻璃纤维的结构。 （C）1997年Elsevier Science B.V.

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