Preparation of powder articles having improved green strength

Details Preparation of powder articles having improved green strength Preparation of powder articles having improved green strength

1991-08-05

1993-06-01

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

264 63, C04B 3558

Patent

active

052159469

ABSTRACT:
A method for preparing an article from a powder includes the step of providing a partially consolidated mixture of a solid powder and an organic binder system. The partially consolidated mixture is contacted with a stiffening solution comprising a stiffening agent that effects at least partial cross-linking of the organic binder system, and a solvent that dissolves the stiffening agent but not the organic binder system. The binder system is thereafter removed, and the article sintered.

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