Identifying the Problem The lack of preferential anisotropic reinforcement in “mainstream” composites has provided motivation to develop materials with multidirectional strength components. Many multidirectional systems exhibit delamination as a primary mode of failure. Three-dimensional (3D) weaving solves both problems--but so far the composite manufacturer and weaver don’t fully communicate each other’s needs.
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Identifying the Problem The lack of preferential anisotropic reinforcement in “mainstream” composites has provided motivation to develop materials with.
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Identifying the Problem
The lack of preferential anisotropic reinforcement in “mainstream” composites has provided motivation to develop materials with multidirectional strength components.
Many multidirectional systems exhibit delamination as a primary mode of failure.
Three-dimensional (3D) weaving solves both problems--but so far the composite manufacturer and weaver don’t fully communicate each other’s needs.
Traditional 2D Weaving
filling insertion(through shed)
warp ends
harness movement
heddle eye
warp
filling
fabricformationzone
warp
fill
fabric flow
Processing of 3D Woven Preforms
filling insertion
warp ends
shed
warp
filling insertion
weaver
fabric movement
Typical 3D Woven Geometry
Preform Variables fiber type (IM7, AS4) yarn size (3k, 6k, 12k) yarn distribution (%0°, %90°, %z) weave construction, particularly the placement