Refractory material

Details Refractory material Refractory material

1989-03-09

1991-04-02

Lin, Kuang Y.

Metal founding

Means to shape metallic material

United particle type shaping surface

164518, B22C 902

Patent

active

050040391

ABSTRACT:
Refractory compositions comprising an acid stabilized aqueous zirconia sol and an active refractory material in an amount effective to gel said sol. A relatively non-active refractory material may also be present. The refractory mix can be made into molded articles or used to form casting molds. Methods of making fired refractory molds and methods of metal casting are disclosed.

REFERENCES:
patent: 2984576 (1961-05-01), Alexander et al.
patent: 3758316 (1973-09-01), Sowards
patent: 4025350 (1977-05-01), Walters et al.

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