Alumina core having a high degree of porosity and crushability c

Details Alumina core having a high degree of porosity and crushability c Alumina core having a high degree of porosity and crushability c

1979-01-25

1980-01-22

Thomas, Earl C.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

423625, 164 26, 164 41, 164 72, 164132, 164361, C04B 3500

Patent

active

041848853

ABSTRACT:
A fired alumina article having a core of material having from 20 to 65 percent continuous porosity by volume and desired crushability characteristics and an integral outer barrier layer consisting of porous alumina having a density gradient.

REFERENCES:
patent: 3901733 (1975-08-01), Toy et al.
patent: 3955616 (1976-05-01), Gigliotti et al.
patent: 3972367 (1976-08-01), Gigliotti et al.
patent: 4024300 (1977-05-01), Svec
patent: 4026344 (1977-05-01), Greskovich

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