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Production Processes
Rules of Composite Production
To maximize the stiffness, strength, and overall “quality” of the composite material/part, the manufacturer should practice the following guideline:
Engineering
Select the right combination of reinforcements, matrix, and additives
Fiber%
Maintain fiber volume fraction at around 50~65% (optimum fiber volume fraction depends on design)
Uniformity
Achieve uniform fiber volume fraction throughout part (e.g., avoid resin-rich or resin-starved regions)
Void
Eliminate void content (e.g., eliminate air bubbles)
Adhesion
Ensure good adhesive bonding between fiber/matrix, between plies, and from part-to-part
Impurity
Eliminate all contaminants
Supply
Build a functional supply chain by working with reliable vendors
Employee
Most composites are still fabricated manually. So guide, train, and protect the employees well