Sintered body of calcium carbonate and process for producing sam

Details Sintered body of calcium carbonate and process for producing sam Sintered body of calcium carbonate and process for producing sam

1991-09-27

1993-02-16

Lewis, Michael

Compositions: ceramic

Ceramic compositions

106 35, 264 60, 264 65, 623 16, 423430, C04B 3500, C01F 1118

Patent

active

051871254

ABSTRACT:
The invention relates to a process for producing a sintered body of calcium carbonate without permitting thermal decomposition of calcium carbonate during sintering, and to the sintered body. A powder material primarily comprising calcium carbonate is subjected to a cold powder pressing process to prepare a green compact, which is then heated in a high-pressure gas atmosphere consisting essentially of an inert gas at a temperature t.degree. C. of

REFERENCES:
patent: 1269331 (1918-06-01), Spencer
patent: 3966884 (1976-06-01), Jacob
patent: 4149893 (1979-04-01), Aoki et al.

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