Method for producing porous form bodies

Details Method for producing porous form bodies Method for producing porous form bodies

1988-10-25

1991-03-19

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 81, 501 82, 501 83, 501 89, 264 43, 264 44, C04B 3556

Patent

active

050010883

ABSTRACT:
A porous form body is produced of sinterable SiC-powder by forming a suitable suspension of said SiC-powder and then treating the suspension to convert it into droplets and the droplets into a granular material in which the granules are substantially larger than the particles of SiC-powder. The granular material is then formed into a green body, e.g. by spraying the granules onto a negative mold of the form body or slip-casting or the like. The green body is then sintered whereby the resulting porosity in the final form body provides the form body with low drag.

REFERENCES:
patent: 4124667 (1978-11-01), Coppola et al.
patent: 4522744 (1985-06-01), Argall et al.
patent: 4525461 (1985-01-01), Boecker et al.
patent: 4551436 (1985-11-01), Johnson et al.

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