Material Drying
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Dry spots in carbon fiber RTM process
Problem Phenomenon
Dry areas where fibers are not fully impregnated in resin transfer molding
Cause Analysis
Fiber preform permeability is uneven; injection pressure or speed is insufficient; venting is poor
Solution
Optimize the permeation channels of the fiber preform; increase injection pressure; add vent ports
Key Takeaway
The RTM process must avoid the existence of dry spots
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