PI-SHAPED PREFORM WITH NON-LINEAR LEGS AND METHOD TO MANUFACTURE IT
A woven preform for a reinforced composite material, which may be woven flat and folded into shape. The preform has a three-dimensional weave architecture with weft fibers woven to provide layer-to-layer interlocking of layers of warp fiber as well as interlocking of fibers within each layer. One or...
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Zusammenfassung: | A woven preform for a reinforced composite material, which may be woven flat and folded into shape. The preform has a three-dimensional weave architecture with weft fibers woven to provide layer-to-layer interlocking of layers of warp fiber as well as interlocking of fibers within each layer. One or more legs extend from a base, the base and legs each having at least two layers of warp fibers. The legs may be parallel or angled to each other and/or may move along a sine wave in the warp and/or weft direction. The outer ends of the base and/or the legs preferably have tapers formed from terminating layers of warp fibers in a stepped pattern. |
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