Method of producing gelled green compact for thin sintered body

Details Method of producing gelled green compact for thin sintered body Method of producing gelled green compact for thin sintered body

1989-06-28

1991-02-19

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

501 12, 501153, C04B 3510

Patent

active

049942182

ABSTRACT:
A method of producing a gelled green compact for a thin sintered body is disclosed. The method comprises by steps (a) adding an acid to a solution of metal alkoxide to produce a sol which has the pH controlled within the range from approximately 2 to approximately 3; (b) adding an acid to the sol to lower the pH of the same; (c) adding an alkali to the sol to increase the pH of the same and control the pH within a range from approximately 1.5 to approximately 3; (d) drying the sol; and (e) molding the sol into a gelled green compact. The gelled green compact has a satisfied plasticity.

REFERENCES:
patent: 4608215 (1986-08-01), Gonczy et al.
patent: 4800051 (1989-01-01), Yan

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