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

1997-08-06

1998-11-10

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 962, 501 965, C04B 3558

Patent

active

058343881

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:
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patent: 4720532 (1988-01-01), Seyferth et al.
patent: 5128286 (1992-07-01), Funayama et al.
patent: 5292830 (1994-03-01), Funayama et al.
patent: 5312942 (1994-05-01), Jansen et al.
patent: 5436398 (1995-07-01), Shimizu et al.
patent: 5543485 (1996-08-01), Baldus

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