Preparation of zirconia sintered body

Details Preparation of zirconia sintered body Preparation of zirconia sintered body

1992-08-17

1993-09-28

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

2643282, 501103, C04B 3548

Patent

active

052484637

ABSTRACT:
Zirconia sintered bodies are produced by injection molding a zirconia composition comprising zirconia powder and an organic binder and firing the molded composition. High density sintered bodies having strength, white transparency and smoothness are obtained when zirconia powder containing 2 to 10 mol % of yttria in solid solution form and having a specific surface area of up to 12 m.sup.2 /g as measured by the BET method and a product of average particle size by specific surface area of up to 3 .mu.m.multidot.m.sup.2 /g is used.

REFERENCES:
patent: 4713206 (1987-12-01), Matsuhisa et al.
patent: 4873064 (1989-10-01), Kato et al.

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