Pressureless sintered silicon nitride-boron nitride composite

Details Pressureless sintered silicon nitride-boron nitride composite Pressureless sintered silicon nitride-boron nitride composite

1990-05-29

1992-06-09

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 96, 501 97, C04B 3558

Patent

active

051206889

ABSTRACT:
A pressureless sintered silicon nitride-boron nitride composite having high density and low elastic modulus has a composition of 2 to 30 wt. % boron nitride and 70 to 98% of a blend of yttrium oxide, aluminum nitride and silicon nitride.

REFERENCES:
patent: 3833389 (1974-09-01), Komeya et al.
patent: 4540674 (1985-09-01), Watanabe et al.
patent: 4943543 (1990-07-01), Ingelstrom
patent: 5030598 (1991-07-01), Hsieh

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