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Highly porous ceramics fabricated from preceramic polymer and expandable microspheres, and method for fabricating the same

  • US 20050012233A1
  • Filed: 09/23/2003
  • Published: 01/20/2005
  • Est. Priority Date: 07/16/2003
  • Status: Active Grant
First Claim
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1. A method for fabricating a highly porous ceramic from expandable microspheres and a preceramic polymer, comprising the steps of:

  • homogeneously mixing a preceramic polymer powder, expandable hollow microspheres and a ceramic powder, and molding the mixture to form a molded body;

    heating the molded body to expand it;

    curing the expanded molded body; and

    pyrolyzing the cured molded body.

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