Method of preparing corrosion resistant composite materials

Details Method of preparing corrosion resistant composite materials Method of preparing corrosion resistant composite materials

1990-09-14

1993-03-16

Lowe, James

Coating processes

Coating remains adhesive or is intended to be made adhesive

427226, 427287, 4273981, 264332, 156 89, B05D 510, B05D 302, B05D 500, C04B 3560

Patent

active

051942984

ABSTRACT:
Method of manufacture of ceramic materials which require stability in severely-corrosive environment having high alkali-metal activity, high sulfur/sulfide activity and/or molten halides at temperatures of 200.degree.-550.degree. C. or organic salt (including SO.sub.2 and SO.sub.2 Cl.sub.2) at temperatures of 25.degree.-200.degree. C. These surfide ceramics form stoichiometric (single-phase) compounds with sulfides of Ca, Li, Na, K, Al, Mg, Si, Y, La, Ce, Ga, Ba, Zr and Sr and show melting-points that are sufficiently low and have excellent wettability with many metals (Fe, Ni, Mo) to easily form metal/ceramic seals. Ceramic compositions are also formulated to adequately match thermal expansion coefficient of adjacent metal components.

REFERENCES:
patent: 4232094 (1980-11-01), Rhodes et al.
patent: 5045365 (1991-09-01), Okano et al.
patent: 5061526 (1991-10-01), Robyn et al.

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