Cement-containing ceramic articles and method for production the

Details Cement-containing ceramic articles and method for production the Cement-containing ceramic articles and method for production the

1992-09-25

1994-02-08

Aftergut, Karen

Stock material or miscellaneous articles

Composite

Of silicon containing

264 60, 264 62, 264 63, 264110, 264112, 264113, 264122, 264125, 264131, 264133, 264332, 264333, 428688, 428703, 501 32, 501122, 501124, 501128, 501130, 501131, 501141, B28B 1106, C03C 100, C04B 3334, C04B 3500

Patent

active

052847128

ABSTRACT:
The occurrence of efflorescence has been reduced or eliminated in ceramic articles formed from a novel vitreously bonded cement-containing composition. The articles also exhibit improved strength, reduced firing shrinkage and increased frost resistance. The articles are produced by combining hydraulic cement containing calcium silicate and/or calcium aluminate components, vitrifiable inorganic powders forming molten liquid-flowing substances, and reactive or sinterable mineral powders selected from the group consisting of magnesium silicates, aluminum silicates and mixtures thereof; combining the ingredients with water to form a mixture; molding the mixture into an article; hardening the article by hydration; and firing the molded article to a maximum temperature of between about 1000.degree. C. to 1400.degree. C.

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