FRM disc preform and manufacturing method thereof

Details FRM disc preform and manufacturing method thereof FRM disc preform and manufacturing method thereof

1995-10-04

1998-11-24

Evans, Elizabeth

Stock material or miscellaneous articles

Spirally flat-wound strand or strip

428 67, 4282931, 428457, 156169, 156252, D04H 302

Patent

active

058403906

ABSTRACT:
An FRM disc preform for manufacturing an FRM disc used as compressor rotors f aircraft engines. The FRM disc preform (1) of the present invention includes a reinforcing fiber (2) wound in a spiral shape with flat faces and a spray coating (7) of a matrix metal formed on one of the flat faces of the spirally wound reinforcing fiber (2) to hold the spiral shape by fixing the upper layer and the lower layer of the spiral. Thereby, the spiral shape is held tightly without collapsing and handling in a laminating process and a combined forming process becomes extremely simplified, and thus the manufacturing efficiency and accuracy of the FRM disc can be enhanced.

REFERENCES:
patent: 3600103 (1971-08-01), Gray et al.
patent: 5228493 (1993-07-01), Siemers et al.
patent: 5431984 (1995-07-01), Keck et al.

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