Silicon nitride based sintered product

Details Silicon nitride based sintered product Silicon nitride based sintered product

1995-02-07

1997-01-07

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 98, C04B 35584

Patent

active

055916872

ABSTRACT:
A silicon nitride based sintered product produced with Si powder, a Si.sub.3 N.sub.4 powder, and an assistant component effective for sintering silicon nitride as raw materials. A resultant sintered product has fine tissue, exhibits little presence of pores and remaining silicon, and possesses high mechanical strength which can be enhanced by calcinating the product under low pressure after it has been reacted and first sintered.

REFERENCES:
patent: 4900700 (1988-05-01), Jun et al.
patent: 5098872 (1992-03-01), Suyama et al.
patent: 5173458 (1992-12-01), Nishioka et al.
patent: 5387562 (1995-02-01), Pillinger et al.

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