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Delamination resistant composites prepared by small diameter fiber reinforcement at ply interfaces
Delamination resistant composites prepared by small diameter fiber reinforcement at ply interfaces
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机译:通过小直径纤维增强层界面制备的抗分层复合材料
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摘要
A fiber reinforced composite material comprising a resin matrix and primary reinforcement fibers and further comprising secondary, smaller diameter, reinforcement fibers at one or more ply interfaces, or portion thereof, provides improved interlaminar toughness, strength, and delamination resistance without substantial reduction of in-plane properties and without substantial increase in weight. In one embodiment, the small fibers are attached to one side of a conventional prepreg prior to lamination. The small fibers are flexible and are expected to conform to the shape and distribution of the primary reinforcing fibers at the interface.
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