Ceramic forming process

Details Ceramic forming process Ceramic forming process

1979-04-30

1982-01-26

Parrish, John

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

106 35, 264299, 264333, C04B 3328

Patent

active

043128211

ABSTRACT:
A novel process is disclosed for producing a fracture-free shaped ceramic green body which comprises casting an aqueous suspension of hydroxylapatite, whitlockite or a mixture of these having a high water content and high drying shrinkage in an impervious mold, the cavity surfaces of which are coated with an inert water-immiscible lubricant; drying the casting under controlled conditions of temperature and humidity and removing adsorbed lubricant from the resulting dried green body.

REFERENCES:
patent: 2161281 (1939-06-01), Carter
patent: 3431332 (1969-03-01), Cummings
patent: 3526685 (1970-09-01), Foster
patent: 4097935 (1978-07-01), Jarcho
patent: 4195366 (1980-04-01), Jarcho et al.
Norton, Fine Ceramics, Technology and Applications, 1970, pp. 101-129.
Kingery, Introduction to Ceramics, 1960, pp. 33-77.
Norton, Elements of Ceramics, 1974, pp. 92-153.

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