What do airplanes, bridges, and wind turbines have in common? They can all be made from lightweight, strong, composite materials made of polymers reinforced with strong carbon fibers.

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Fiber-reinforced polymer composites have many useful properties, but their big drawback is they are typically complex and expensive to manufacture. In recent years, three-dimensional (3D) printing of composites has been successfully demonstrated using thermoplastic polymers and discontinuous fillers, but the resulting 3D-printed composites often have poor mechanical properties and low service temperature due to the limitations of the constituent properties. Consequently, 3D printing […]

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