Ceramic fibers in the system silicon-boron-nitrogen-carbon

Details Ceramic fibers in the system silicon-boron-nitrogen-carbon Ceramic fibers in the system silicon-boron-nitrogen-carbon

1998-08-12

1999-10-19

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 92, 501 962, C04B 3558

Patent

active

059688599

ABSTRACT:
The invention relates to new amorphous, high-strength SiBN(C) fibers which are at the same time resistant to high-temperature creep, their production and use. The fibers have a strength at room temperature of >2.5 GPa, a modulus of elasticity of >250 GPa and a creep value m of from 0.4 to 1 (in accordance with standard BSR test, 1 hour, 1400.degree. C.).

REFERENCES:
patent: 5128286 (1992-07-01), Funayama et al.
patent: 5436398 (1995-07-01), Shimizu et al.
patent: 5543485 (1996-08-01), Baldus

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