Basicity-Resistant Refractory

Details Basicity-Resistant Refractory Basicity-Resistant Refractory

1996-04-15

1998-11-24

Speer, Timothy M.

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 346, 428457, 428469, 428472, 428701, 428702, B32B 1700

Patent

active

058403809

ABSTRACT:
A basicity-resistant refractory wherein the substratum includes a surface layer of a composite oxide of which magnesium oxide is the main component, and an oxide as a second component and which forms a high melting point composite oxide with magnesium oxide and iron oxides through reaction with iron oxides in a melt or a calcined mass. The oxide which is the second component may be one or more of titanium oxide, niobium oxide, neodymium oxide, lanthanum oxide, manganese oxide, nickel oxide, and cobalt oxide.

REFERENCES:
patent: 3578473 (1971-05-01), Alper
patent: 4050956 (1977-09-01), de Bruin
patent: 4389492 (1983-06-01), Tanemura
patent: 4503128 (1985-03-01), Iseli
patent: 4639388 (1987-01-01), Ainsworth
patent: 4971934 (1990-11-01), Schiavi
patent: 5158915 (1992-10-01), Morita
patent: 5171724 (1992-12-01), Iwadoh
patent: 5175132 (1992-12-01), Ketcham

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