Process of preparing silicon-boron-nitrogen-carbon fibers

Details Process of preparing silicon-boron-nitrogen-carbon fibers Process of preparing silicon-boron-nitrogen-carbon fibers

1997-03-13

1999-03-23

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Using organometallic or organosilicon intermediate

264627, 264639, C04B 3556

Patent

active

058855190

ABSTRACT:
The invention relates to new amorphous, high-strength SiBN(C) fibres which are at the same time resistant to high-temperature creep, their production and use.
The fibres 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: 3907954 (1975-09-01), Mansmann
patent: 4789507 (1988-12-01), Wesley
patent: 5128286 (1992-07-01), Funayama et al.
patent: 5705122 (1998-01-01), Curran

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