Composites are weak in out-of-plane loading conditions. Tufting is used to introduce reinforcement in the third direction to improve the out-of-plane loading capability. Thereby enhancing the damage tolerance capability of the composite aero structure.
Year of Development
2020
Salient Technical Features
Tufting of carbon preform up to 2mm Tufting pitch: 3mm to 15mm Tufting spacing: 2mm to 50mm Enhance Mode-I fracture toughness by 10times T-Joint strength by 24% Enhance CAI strength by 43%
Level/Scale of Development
TRL=7
Applications
Tufting of dry reinforcement for RTM, VARTM process
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