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Formation of a unique glass by spark plasma sintering of a zeolite

机译：通过沸石的火花等离子体烧结形成独特的玻璃

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摘要

A simple approach, order-disorder transition (ODT), has been developed to synthesize a novel glass using ZSM-5 as starting materials. In this process, the ZSM-5 powders were pressed uniaxially in a graphite die and rapidly sintered using spark plasma sintering (SPS). High-resolution transmission electron microscopic images revealed that a few crystalline zeolite fragments were still preserved locally inside the SPS consolidated sample. Vickers microhardness and fracture toughness of this as-prepared transparent glass sample at room temperature reaches 7.3 ± 0.2 GPa and 2.0 ± 0.3MPa·m~(1/2), respectively. It is very interesting that these novel bulk transparent glasses exhibit ultraviolet photoluminescence (PL) properties at about ～360 nm.
机译：已经开发出一种简单的方法，即有序-无序过渡（ODT），以ZSM-5为起始原料合成新型玻璃。在此过程中，将ZSM-5粉末在石墨模具中单轴压制，并使用火花等离子烧结（SPS）快速烧结。高分辨率透射电子显微镜图像显示，一些结晶沸石碎片仍保留在SPS固结样品内部。所制备的透明玻璃样品在室温下的维氏显微硬度和断裂韧性分别达到7.3±0.2 GPa和2.0±0.3MPa·m〜（1/2）。有趣的是，这些新颖的块状透明玻璃在约〜360 nm处表现出紫外光致发光（PL）特性。

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  • 来源
    《Journal of Materials Research》 |2009年第10期|3241-3245|共5页
  • 作者

    Lianjun Wang; Wan Jiang; Lidong Chen; Zhijian Shen;

  • 作者单位

    State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    Department of Inorganic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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