Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent
1987-03-31
1989-03-21
Derrington, James H.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By mechanically introducing gas into material
264 86, 264 87, C04B 3328
Patent
active
048141275
ABSTRACT:
A method of producing a reinforced ceramic which includes a step of aggregating ceramic fibrous material of 0.5 .mu.m or more in diameter; a composite step in which the fiber aggregate obtained is placed on a filter and a dispersion liquid in which ceramic powder having a particle size of not more than one-tenth of the diameter of the ceramic fibrous material is dispersed in a dispersion medium is transferred through the fiber aggregate from a side opposite to the filter to the other side, for passing the dispersion medium through said filter and introducing the ceramic powder in a gap between the fibrous material of the fiber aggregate to form a composite of the fibrous material and the ceramic powder; and a step of sintering the composite.
REFERENCES:
patent: 3500444 (1970-03-01), Hesse et al.
patent: 4401613 (1983-08-01), Abell
Aisin Seiki Kabushiki Kaisha
Derrington James H.
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