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Method of hydrothermal liquid phase sintering of ceramic materials and products derived therefrom

  • US 8,313,802 B2
  • Filed: 11/14/2008
  • Issued: 11/20/2012
  • Est. Priority Date: 11/15/2007
  • Status: Active Grant
First Claim
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1. A method of producing a monolithic body from a porous matrix, comprising:

  • (i) providing a porous matrix having interstitial spaces and comprising at least a first reactant;

    (ii) contacting the porous matrix with an infiltrating medium that carries at least a second reactant;

    (iii) allowing the infiltrating medium to infiltrate at least a portion of the interstitial spaces of the porous matrix under conditions that promote a reaction between the at least first reactant and the at least second reactant to provide at least a first product, wherein a reaction temperature is less than about 250°

    C.; and

    (iv) allowing the at least first product to form and fill at least a portion of the interstitial spaces of the porous matrix, thereby producing a monolithic body, wherein the first product does not comprise barium titanate,wherein the step (iv) further comprises aging the monolithic body.

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