Needled near netshape carbon preforms having polar woven substra

Details Needled near netshape carbon preforms having polar woven substra Needled near netshape carbon preforms having polar woven substra

1997-09-08

1999-09-14

Raimund, Christopher

Stock material or miscellaneous articles

Circular sheet or circular blank

Frictional

428222, 28107, 28110, B32B 302

Patent

active

059520752

ABSTRACT:
A near netshape carbon preform is provided comprising a woven fabric of a plurality of carbon yarns, said woven fabric having a helical shape and an adjustable fiber orientation distribution, said woven fabric being laid down, turn by turn, into a near net shape preform, and each layer of said fabric being needled to produce a near net shape preform with increased interlaminar strength and an adjustable fiber orientation distribution. A method for manufacturing a near net shape carbon preform with a polar woven substrate is also disclosed.

REFERENCES:
patent: 5228175 (1993-07-01), Olry et al.
patent: 5392500 (1995-02-01), Olry et al.
patent: 5456981 (1995-10-01), Olry et al.
patent: 5546880 (1996-08-01), Ronyak et al.
patent: 5687634 (1997-11-01), Ransone

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