Superplastic silicon nitride sintered body

Details Superplastic silicon nitride sintered body Superplastic silicon nitride sintered body

1996-08-15

1997-09-30

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 92, 501 98, C04B 35587

Patent

active

056725531

ABSTRACT:
A superplastic silicon nitride sintered body which is a sintered body of silicon nitride and which has superplasticity such that when a compression or tensile stress of from 30 to 2000 kg/cm.sup.2 is applied thereto at a temperature within a range of from 1350.degree. to 1650.degree. C., it deforms at a deformation rate of from 10.sup.-4 /sec to 10.sup.-1 /sec.

REFERENCES:
patent: 5122485 (1992-06-01), Akimore
patent: 5204297 (1993-04-01), Yamamoto et al.
patent: 5352641 (1994-10-01), Matsui et al.
patent: 5556815 (1996-09-01), Boberski et al.

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