Aqueous extrusion of silicon nitride

Details Aqueous extrusion of silicon nitride Aqueous extrusion of silicon nitride

1991-06-28

1993-05-11

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264109, 26417711, 26421111, C04B 3558

Patent

active

052098850

ABSTRACT:
A water-based silicon nitride powder extrusion mixture is prepared. The mixture also contains oleic acid, glycerin, methyl cellulose and a polyacrylic acid-containing polymer. The mixture can be extruded at ambient temperatures. The extrudate can be dried at low temperature and sintered to form a dense silicon nitride part.

REFERENCES:
patent: 4814014 (1989-03-01), Arfaei
patent: 4906424 (1990-03-01), Hughes
patent: 4908172 (1990-03-01), Sterzel
patent: 4965039 (1990-10-01), Schuetz
patent: 5030599 (1991-07-01), Quadir

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