Sintered silicon nitride bodies suitable for use as high impact

Details Sintered silicon nitride bodies suitable for use as high impact Sintered silicon nitride bodies suitable for use as high impact

1993-12-29

1994-09-13

Green, Anthony

Compositions: ceramic

Ceramic compositions

Refractory

501 96, 501 97, 501118, 501122, 501128, 501152, 501153, C04B 3558

Patent

active

053468694

ABSTRACT:
Described are sintered silicon nitride bodies useful as materials for parts required to have strength, especially excellent impact strength for items such as automobile parts and machine parts. The sintered Si.sub.3 N.sub.4 bodies contain 80-98 wt. % of silicon nitride and have a porosity not higher than 3% and an shock compressive elasticity limit of at least 15 GPa.

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Chemical Abstracts vol. 114, No. 24; Jun. 17, 1991 Abstract 233516K.

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