Method of forming dense ceramic bodies

Details Method of forming dense ceramic bodies Method of forming dense ceramic bodies

1982-09-30

1985-11-19

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264118, 264325, 264332, B28B 1100

Patent

active

045541175

ABSTRACT:
A method is disclosed for simultaneously and uniformly densifying a plurality of semidense ceramic powder bodies. The bodies are hinged together with a uniform space therebetween to form a cluster. The spaces in each cluster are filled with an isostatic pressure medium and then the clusters are stacked in a predetermined alignment along a pressing axis and hot pressed to substantially full density. The bodies are then ruptured from said clusters so as to be in a condition for use as a tool.

REFERENCES:
patent: 3007222 (1961-11-01), Ragan
patent: 3538571 (1970-11-01), Callahan et al.
patent: 3713787 (1973-01-01), Kuniyasu
patent: 3954930 (1976-05-01), Vasilos
patent: 4264548 (1981-04-01), Ezis
patent: 4264550 (1981-04-01), Ezis
patent: 4323325 (1982-04-01), Samonta

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