Ceramic alumina abrasive grains seeded with iron oxide

Details Ceramic alumina abrasive grains seeded with iron oxide Ceramic alumina abrasive grains seeded with iron oxide

1988-12-12

1990-10-23

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

Miscellaneous

51309, B24D 300

Patent

active

049648837

ABSTRACT:
A process of producing alpha alumina ceramic abrasive grain by sintering alpha alumina monohydrate is improved by seeding with a crystalline oxide of iron having a particle size of less than 150 nm.

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patent: 4797139 (1989-01-01), Bauer
M. Kumagai and G. L. Messing "Enhanced Densification of Boehmite Sol-Gels by Alpha Alumina Seeding" Communications of the American Ceramic Society, Nov., 1984.
J. L. McArdle and G. L. Messing "Transformation and Microstructure Control in Boehmite-Derived Alumina by Ferric Oxide Seeding"Advanced Ceramic Materials, vol. 3, No. 4, 1988.
E. Matigevic and P. Scheiner, Journal of Colloidal Interface Science, vol. 63, No. 3, 1978, pp. 509-524.
B. Voight and A. Gobler, Crystal Research Technology, vol. 21, 1987, pp. 1177-1183.
R. N. Sylva "The Hydrolysis of Iron (III)", Rev. Pure Applied Chemstry, vol. 22, 1972, p. 15.
T. Misawa, K. Hashimoto and S. Shimodaira, "The Mechanism of Formation of Iron Oxide and Oxyhydroxides in Aqueous Solutions at Room Temperature" Corrosion Science, vol. 14, 1974, p. 131.
U.S. Statutory Invention Registration No. H189, published Jan. 6, 1987, in the name of Bauer.

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