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3-D Printing of near net shape products

  • US 20100279007A1
  • Filed: 08/12/2008
  • Published: 11/04/2010
  • Est. Priority Date: 08/14/2007
  • Status: Abandoned Application
First Claim
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1. A method of manufacture of a near net-shaped product comprising,mixing a build material and a binder for the build material to produce a mixture of build material and binder,depositing in a first step the mixture of build material and binder onto a surface to produce a layer of the mixture of build material and binder,applying in a second step an activator fluid to at least one selected region of the layer of build material and binder,drying the activator fluid to bond the binder to the build material in the selected region to yield a whitebody having a shaped pattern,treating the whitebody to further set the binder to yield a porous greenbody preform having a porosity of about 30% to about 70%,contacting the porous greenbody with a molten material for impregnating the porous greenbody preform.

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