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首页> 外文期刊>Materials science forum >Porous Media of LZSA Glass-Ceramic for Burner Applications
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Porous Media of LZSA Glass-Ceramic for Burner Applications

机译：适用于燃烧器的LZSA玻璃陶瓷多孔介质

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摘要

A LZSA (Li_2O-ZrO_2-SiO_2-Al_2O_3) glass-ceramic porous media produced by the replication method has been studied for relatively low temperature applications. Different suspensions have been tested, and appropriated parameters to obtain good impregnation and green strength were determined. The structures after the sintering process (975 ℃ for 120 min) were evaluated by scanning electron microscopy and showed a good reproducibility for the best tested suspensions (70.0 wt.% LZSA, 3.5 wt.% bentonite as binder and 1.5 wt.% Darvan 821A as dispersant) Strut and geometric densities were determined so that glass-ceramic foams with porosity of about 91% were obtained.
机译：对于相对低温的应用，已经研究了通过复制方法生产的LZSA（Li_2O-ZrO_2-SiO_2-Al_2O_3）玻璃陶瓷多孔介质。测试了不同的悬浮液，并确定了获得良好浸渍和生胶强度的合适参数。烧结过程（975℃，120分钟）后的结构通过扫描电子显微镜进行了评估，对于测试得最好的悬浮液（70.0 wt。％LZSA，3.5 wt。％膨润土作为粘结剂和1.5 wt。％Darvan 821A）显示出良好的重现性。确定支柱和几何密度，从而获得孔隙率约为91％的玻璃陶瓷泡沫。

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  • 来源
    《Materials science forum》 |2012年第1期|p.686-690|共5页
  • 作者

    Jefferson Jean do Rosario; Rafael Paiotti Marcondes Guimaraes; Mirella Alves Leite; Antonio Pedro Novaes de Oliveira; Marcio Celso Fredel;

  • 作者单位

    Group of Ceramic and Glass Materials (CERMAT), Mechanical Engineering Department (EMC), Federal University of Santa Catarina (UFSC), PO Box 476, 88040-900 Florianopolis, SC, Brazil;

    Group of Ceramic and Glass Materials (CERMAT), Mechanical Engineering Department (EMC), Federal University of Santa Catarina (UFSC), PO Box 476, 88040-900 Florianopolis, SC, Brazil;

    Group of Ceramic and Glass Materials (CERMAT), Mechanical Engineering Department (EMC), Federal University of Santa Catarina (UFSC), PO Box 476, 88040-900 Florianopolis, SC, Brazil;

    Group of Ceramic and Glass Materials (CERMAT), Mechanical Engineering Department (EMC), Federal University of Santa Catarina (UFSC), PO Box 476, 88040-900 Florianopolis, SC, Brazil;

    Group of Ceramic and Glass Materials (CERMAT), Mechanical Engineering Department (EMC), Federal University of Santa Catarina (UFSC), PO Box 476, 88040-900 Florianopolis, SC, Brazil;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    porous media; porous burners; glass-ceramic foams; LASA glass-ceramic materials;

    机译：多孔介质多孔燃烧器;玻璃陶瓷泡沫;LASA玻璃陶瓷材料;

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