Fiber preform, fiber reinforced composite, and method of making thereof

摘要

A woven fiber preform, a fiber reinforced composite incorporating the preform, and methods of making thereof are disclosed. The woven preform includes a plurality of warp and weft yarns or fibers interwoven to form a continuous spiral fabric. The spiral fabric may take the shape of an Archimedes spiral. The weft yarns in the preform may have a uniform or variable pick spacing, or a uniform or variable angular separation. The spiral fabric of the Archimedes spiral may be assembled or wrapped to form a conical shell structure, which could be a portion of a spinner or an exit cone. The spiral fabric may be woven on a loom equipped with a differential take-up mechanism.

主权项

1. A fiber preform comprising:
a plurality of warp and weft yarns or fibers, wherein the warp and weft yarns or fibers are interwoven to form a flat pattern of a continuous spiral fabric, wherein said spiral fabric is wound onto a shaped mandrel a plurality of times with no gaps or overlaps between adjacent windings to form a conical shell structure, and wherein a width of the spiral fabric is contained in a lateral surface of the conical shell structure formed by winding the spiral fabric.