High-strength, light-weight, fired clay body and method of produ

Details High-strength, light-weight, fired clay body and method of produ High-strength, light-weight, fired clay body and method of produ

1970-12-14

1978-05-16

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 45, 264 66, C04B 3324

Patent

active

040899209

ABSTRACT:
A high-strength, light-weight, fired clay body which is characterized by relatively greater surface oxidation than interior oxidation with accompanying surface layer shrinkage. The clay body is quick-dried and quick-fired to substantially uniformly oxidize the surface layer to maturity while maintaining the interior of the body in a relatively unoxidized and unfired condition.

REFERENCES:
patent: 2192000 (1940-02-01), Wilson
patent: 2910760 (1959-11-01), Jackson
patent: 2992930 (1961-07-01), Wheeler et al.
Houseman et al., "Influence of Kiln Atmospheres in Firing Structural Clay Products"; Parts I & II, Journal of the American Ceramic Society, vol. 54, No. 2, pp. 75-89.
Tatnall, "Fast Firing: Still More Questions than Answers", Ceramic Age, (Apr. 1964), pp. 28-31.
Peterson, "Versatile Kiln Aids Fast Firing Research", Ceramic Age, (Nov., 1964) pp. 28-30.
Walley, "Experiments in the Firing of Pipes," Transactions of the British Ceramic Society, vol. 66, pp. 273-292 (Jun., 1967).

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