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Al2O3-platelet reinforced glass matrix composites from a mixture of wastes

机译:废物混合物中的Al2 O3 -血小板增强玻璃基复合材料

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摘要

Wastes consisting of mining residues from feldspar excavation, lime from fume abatement systems of the glass industry and panel glass from dismantled cathode ray tubes have been converted into an opaque fluorine-containing glass, featuring the precipitation of CaF2 crystals just upon cooling. Fine glass powders were added with Al2O3 platelets (from 5% to 15% by vol.) and viscous flow pressureless sintered at 800 °C for 1 h, leading to dense glass matrix composites. Due the overall mechanical properties, approaching those available for glass–ceramics, coupled with a simple and economical manufacturing procedure, the obtained products could find applications in the building industry and constitute a promising way for the absorption of the investigated wastes.
机译:由长石开挖产生的采矿残余物,玻璃工业的烟气消除系统产生的石灰和拆解的阴极射线管产生的平板玻璃所组成的废物已被转化为不透明的含氟玻璃,其特征在于刚冷却时就会沉淀出CaF2 晶体。 。在细玻璃粉中加入Al2 O3 片晶(体积分数为5%至15%),并在800°C下无粘性烧结1 h,从而形成致密的玻璃基复合材料。由于总体机械性能接近于玻璃陶瓷所具有的机械性能,再加上简单且经济的制造程序,所获得的产品可以在建筑业中找到应用,并构成一种吸收被研究废物的有前途的方式。

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  • 来源
    《Journal of Materials Science》 |2007年第8期|2706-2711|共6页
  • 作者单位

    Dipartimento di Ingegneria Meccanica settore Materiali Università di Padova Via Marzolo 9 35131 Padova Italy;

    Dipartimento di Ingegneria Meccanica settore Materiali Università di Padova Via Marzolo 9 35131 Padova Italy;

    Stazione Sperimentale del Vetro Via Briati 10 30121 Murano Venezia Italy;

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