PROCESS FOR MANUFACTURING A POROUS SIC MATERIAL
    5.
    发明申请
    PROCESS FOR MANUFACTURING A POROUS SIC MATERIAL 审中-公开
    制造多孔SIC材料的方法

    公开(公告)号:US20110171099A1

    公开(公告)日:2011-07-14

    申请号:US13063766

    申请日:2009-09-29

    摘要: The invention relates to a process for obtaining a porous material made of recrystallized SiC, especially in the form of a structure for filtering a particulate-laden gas, starting from at least two powders of fine and coarse SiC particles, blended with an organic material comprising an organic pore former and/or a binder, in suitable proportions and in the presence of a sufficient amount of a solvent, such as water, so as to allow forming of said blend and firing thereof between 1600° C. and 2400° C., said process being characterized in that the difference between the percentile d90 of the coarse particle powder and the percentile d10 of the fine particle powder multiplied by the volume of organic material in the initial blend, expressed as a percentage relative to the total volume of the SiC particles, is between 250 and 1500.The invention also relates to the porous material made of recrystallized SiC that can be obtained by said process.

    摘要翻译: 本发明涉及一种获得由再结晶SiC制成的多孔材料的方法,特别是以至少两种细颗粒和粗SiC颗粒粉末为原料的过滤颗粒状载气的结构形式,该粉末与有机材料混合,所述有机材料与 有机成孔剂和/或粘合剂,以足够量的溶剂(例如水)存在下进行,以便形成所述共混物并在1600℃和2400℃之间烧制。 所述方法的特征在于,粗颗粒粉末的百分比d90与细颗粒粉末的百分位数d10乘以初始共混物中的有机材料的体积之间的差异以相对于总共体积的百分比表示 SiC颗粒在250和1500之间。本发明还涉及可以通过所述方法获得的由再结晶SiC制成的多孔材料。