Preparation of cement using stabilized fibers of metastable calc

Details Preparation of cement using stabilized fibers of metastable calc Preparation of cement using stabilized fibers of metastable calc

1985-09-27

1987-05-26

Williams, Howard S.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106100, 264 8, 264 12, 423331, C01B 3324, C04B 1400, C04B 1438

Patent

active

046683003

ABSTRACT:
A molten reaction product of calcium oxide, silica and aluminum is quickly quenched from a temperature clearly in excess of the .alpha.'-.alpha. inversion in a manner which simultaneously forms stabilized B-phase dicalcium silicate fibers having diameters which do not exceed 15 microns. These fibers are milled into smaller particles which are particularly useful for producing high-strength cement which does not require activation with lime.

REFERENCES:
patent: 757035 (1904-04-01), Gramm
patent: 3985935 (1976-10-01), Bondmann
patent: 4095989 (1978-06-01), Dosch et al.
patent: 4512809 (1985-04-01), Nielsen et al.
Thoenen, Bureau of Mines Information Circular 6984 R, Jun. 1939, pp. 1-49.

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