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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Characteristics of the glass powders with low Pb content directly prepared by spray pyrolysis
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Characteristics of the glass powders with low Pb content directly prepared by spray pyrolysis

机译：喷雾热解法直接制备低铅含量玻璃粉的特性

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摘要

Fine size glass powders with a 21.5 mol% PbO-50.5 mol% B_2O_3-16 mol% SiO_2-12 mol% BaO-0.5 mol% CuO composition were directly prepared by spray pyrolysis. The glass powders prepared at 1000℃ had spher-ical shape and dense inner structure. The glass transition temperature (T_g) of the glass powders with the mean size of 0.84 pm was 493℃. The number of voids in fired dielectric layers decreased with increasing the preparation temperature of the glass powders, and the dielectric layer formed from the glass powders prepared by spray pyrolysis at a temperature of 1000℃ had no voids inside the layer. The transmittances of the dielectric layer formed from the glass powders prepared at a temperature of 1000℃ were higher than 70% within the visible range. The mean sizes of the powders were changed from 0.36 to 1.0μm when the concentrations of the spray solutions were changed from 0.03 to 1 M. The dielectric layers formed from the glass powders with small sizes had highertransmittances than those formed from the glass powders with large sizes.
机译：通过喷雾热解直接制备具有21.5mol％PbO-50.5mol％B_2O_3-16mol％SiO_2-12mol％BaO-0.5mol％CuO组成的细尺寸玻璃粉末。在1000℃下制备的玻璃粉具有球形形状和致密的内部结构。平均尺寸为0.84μm的玻璃粉末的玻璃化转变温度（T_g）为493℃。随着玻璃粉末的制备温度的升高，烧制的介电层中的空隙数量减少，并且由在1000℃的温度下通过喷雾热解制备的玻璃粉末形成的介电层在该层内没有空隙。在可见光范围内，由在1000℃温度下制备的玻璃粉末形成的介电层的透射率高于70％。当喷雾溶液的浓度从0.03变为1 M时，粉末的平均尺寸从0.36变为1.0μm。由小尺寸的玻璃粉末形成的介电层具有比由大的玻璃粉末形成的介电层更高的透射率。大小。

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