Pressure gradient CVI/CVD apparatus, process and product

Details Pressure gradient CVI/CVD apparatus, process and product Pressure gradient CVI/CVD apparatus, process and product

1998-03-03

2000-05-02

Ahmad, Nasser

Stock material or miscellaneous articles

Circular sheet or circular blank

Frictional

188 18A, 188218XL, 188251A, 192107M, 244110A, 244110H, 428 666, 4283115, 428408, 4289088, B32B 302

Patent

active

060570229

ABSTRACT:
The invention relates to the field of high temperature composites made by the chemical vapor infiltration and deposition of a binding matrix within a porous structure. More particularly, the invention relates to pressure gradient processes for forcing infiltration of a reactant gas into a porous structure, apparatus for carrying out those processes, and the resulting products. The invention is particularly suited for the simultaneous CVI/CVD processing of large quantities (hundreds) of aircraft brake disks.

REFERENCES:
patent: 3802849 (1974-04-01), Kimura et al.
patent: 4775705 (1988-10-01), Parker et al.
patent: 5242746 (1993-09-01), Bommier et al.
patent: 5362228 (1994-11-01), Vaudel
Declaration of William Walthall, Vice President and General Manager, BFGoodrich Aerospace in Phoenix, Arizona, signed Jan. 28, 1998.
Attachment A to the Declaration of William Walthall.
Attachment B to the Declaration of William Walthall.
Attachment C to the Declaration of William Walthall.
Attachment D to the Declaration of William Walthall.
Attachment E to the Declaration of William Walthall.
Mechanical Properties of CVD Infiltrated Composites, W.V. Kitlensky & J. Pa;;is, Raytheon Co., Waltham, MA, MP-26, pp. 76, 77, 78.

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