FIELD: production of ceramics. SUBSTANCE: clay raw materials being preliminary treated are roasted to temperature being higher than transition temperature but lower than caking temperature. Then it is placed into form heated to 100-700 C. Desired article is formed by dynamic compressing at frequency 2-4 Hz, specific pressure being 50-100 MPA. Density thus prepared brick is 2,05-2,1 g/cm3, compressive strength being 25-32 MPa, water absorption is 6-8 %. EFFECT: improves efficiency of the method.
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Authors
Dates
1995-05-27—Published
1992-07-28—Filed