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Method of forming a flexible insulation blanket having a ceramic matrix composite outer layer

  • US 6,866,733 B1
  • Filed: 07/01/2003
  • Issued: 03/15/2005
  • Est. Priority Date: 11/11/2002
  • Status: Active Grant
First Claim
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1. A method of producing a flexible insulation blanket having a ceramic matrix composite infiltrated layer with a smooth surface, said method comprising:

  • layering, respectively, an outer ceramic fabric layer, a batting layer, and a inner ceramic fabric layer;

    quilting said layers to form a flexible insulation blanket;

    infiltrating said outer fabric layer of said blanket with a monazite based pre-ceramic slurry;

    compressing the blanket in the direction of thickness of the blanket by applying pressure to said outer layer of the blanket with a smoothly surfaced plate;

    curing said pre-ceramic slurry; and

    sintering the infiltrated outer ceramic layer to form a ceramic matrix composite layer.

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