Stabilized electrocast zirconia refractories

Details Stabilized electrocast zirconia refractories Stabilized electrocast zirconia refractories

1980-01-29

1981-10-13

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

501103, 501104, C04B 3548

Patent

active

042947952

ABSTRACT:
Stabilized zirconia refractories comprising fine block crystals of zirconia, having a high bulk density due to their dense texture and a higher bending strength than the conventional calcined zirconia refractories are disclosed. The stabilized electrocast zirconia refractories are obtained by pouring an electrofused melt of a blend of a zirconia-base material and a stabilizing agent into a mold and solidifying the poured melt from its lower portion by cooling the bottom part of the mold forcibly. Also the method for producing the stabilized electrocast zirconia refractories is disclosed.

REFERENCES:
patent: 1892044 (1932-12-01), Eldred et al.
patent: 2602708 (1952-07-01), Wheildon
patent: 3228778 (1966-01-01), Walther
patent: 3519448 (1970-07-01), Alper et al.

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