Sintered ceramic material of improved ductility

Details Sintered ceramic material of improved ductility Sintered ceramic material of improved ductility

1978-10-02

1980-08-19

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 44, 106 733, 106 734, 106 735, C04B 3548, C04B 3510, C04B 3556

Patent

active

042182530

ABSTRACT:
The ductility of sintered bodies of alumina and like hard substances can be improved without loss in mechanical strength by uniformly distributed individual particles of tetragonal zirconia or hafnia in amounts of 1%-50% by volume if the dispersed particles have an average size of 0.05 to 2 .mu.m.

REFERENCES:
patent: 1159264 (1915-11-01), Pfaff
patent: 2465672 (1949-03-01), Blaha
patent: 2908553 (1959-10-01), Frank et al.
patent: 3285018 (1966-11-01), Henderson et al.
patent: 3669695 (1972-06-01), Iler et al.
patent: 3676161 (1972-07-01), Yates
patent: 3725094 (1973-04-01), Levy et al.
patent: 3776744 (1973-12-01), Clendenen
patent: 3862846 (1975-01-01), Smoak et al.

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