【摘要】 将多孔玻璃浸以含铁离子溶液,然后干燥,并在还原条件下烧结后制得了含Fe²⁺、Fe³⁺的高硅氧玻璃。该玻璃在红外线与紫外线吸收方面具有特殊的性能即在1.1微米处透过率为5％,在可见光范围约80％,波长小于0.33微米处全部截去（对含0.76％铁、厚度为4.5毫米的样品而言）,化学稳定性及抗热震性与石英玻璃差不多。此外,玻璃的软化点高于 1400℃,线膨胀系数约 8.6 ×10^-7。这种玻璃能吸收对人体有害波段的红外和紫外线,并可用作某些光源红外光与紫外光的吸收剂。 本文研究并讨论了制备工艺及制备中的某些物化性能,如铁的还原机理,玻璃的光吸收及析晶。更多还原

【Abstract】 The Fe²⁺, Fe³⁺-doped vycor was obtained by inpregnated the porous glass with a so-lution containing ferro-ions and then hydrated and consolidated under reducing condition.This glass has some special properties in infrared and ultraviolet absorption, that is, the transmittance at 1.1 μ is 5%, at visible region is about 80% and at wave length lessthan 0.33μ is completely cut off （for 0.76% ferro-containing sample, 4.5 mm thickness）.The chemical durability and thermal shock resistance are almost the same as that of si-lica glass. Besides, the softening point of this glass is higher than 1400℃, the coefficientof linear expansion is about 8.6×10^-7. This glass can absorb the infrared and ultravioletregions which are harmful to human body and so it may be used as an absorbent of in-frared and ultraviolet for certain light sources. This paper investigated and discussed the technology of fabrication and some physicaland chemical phenomena during fabrication, such as mechanism of ferric reduction,light absorption and crystallization of the glass.更多还原