发明申请
US20070119133A1 Porous cordierite ceramic honeycomb article with improved strength and method of manufacturing same
有权
具有改善强度的多孔堇青石陶瓷蜂窝体制品及其制造方法
- 专利标题: Porous cordierite ceramic honeycomb article with improved strength and method of manufacturing same
- 专利标题(中): 具有改善强度的多孔堇青石陶瓷蜂窝体制品及其制造方法
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申请号: US11291687申请日: 2005-11-30
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公开(公告)号: US20070119133A1公开(公告)日: 2007-05-31
- 发明人: Douglas Beall , Gregory Merkel , David Thompson
- 申请人: Douglas Beall , Gregory Merkel , David Thompson
- 主分类号: B01D39/20
- IPC分类号: B01D39/20
摘要:
A porous cordierite ceramic honeycomb article with increased mechanical strength and thermal shock resistance. The porous cordierite ceramic honeycomb article has MA 2660 wherein MA=3645 (IA)−106 (CTE)+19 (d90)+17 (% porosity), MT=4711 (IT)+116 (CTE)−26 (d90)−28 (% porosity), and a CTE≦9×10−7/° C. in at least one direction. A method of manufacturing is also disclosed wherein the inorganic raw material mixture contains talc, an alumina-forming source, a silica-forming source, and 0-18 wt. % of a kaolin or calcined kaolin containing not more than 8 wt. % of a fine kaolin source having a median particle diameter of less than 7 μm, wherein the fired porous ceramic cordierite honeycomb article has a porosity
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