Ceramic composite material and process of manufacturing thereof

Details Ceramic composite material and process of manufacturing thereof Ceramic composite material and process of manufacturing thereof

1989-08-15

1992-07-14

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501108, 501122, 264 65, C04B 3504, C04B 3556

Patent

active

051302772

ABSTRACT:
A MgO/SiC composite material in which SiC particles with nano-meter order in size are dispersed within MgO matrix grains can be prepared by hot-pressing the mixture of fine MgO and SiC powders. Addition of SiC particles in the range of 5 volume percent to 50 volume percent to the MgO matrix increased remarkably the fracture strength and the hardness in a nanometer-order structure of the composite.

REFERENCES:
patent: 3344080 (1967-09-01), Livey et al.
patent: 3765912 (1973-10-01), Gates, Jr. et al.
patent: 4298385 (1981-11-01), Claussen et al.
patent: 4463058 (1984-07-01), Hood et al.
patent: 4673658 (1987-06-01), Gadkaree et al.
patent: 4745091 (1988-05-01), Landingham
patent: 4767727 (1988-08-01), Claussen et al.
"Fracture Energy of MgO-SiC whisker Composite Ceramics" Khida et al., J. Mater Sci. Japan 36 (400) pp. 17-21 Jan. 1987.

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