A continuous manufacturing process used to create composite materials with a constant cross-section.

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Study for the Diploma Programme Design Technology Exam. Engage with flashcards and multiple-choice questions, each offering hints and detailed explanations. Be well-prepared for your test!

Multiple Choice

A continuous manufacturing process used to create composite materials with a constant cross-section.

Explanation:
Pultrusion. In this process, reinforcing fibers are pulled continuously through a resin bath and into a heated die that shapes and cures the material. The die has a fixed cross-section, so the profile stays the same along the entire length, producing long, uniform composite sections. This setup is ideal when you need a continuous, constant cross-section part with high fiber content and good strength. Lamination stacks layers to form a laminate, and casting fills a mold—neither yields a continuous profile with a fixed cross-section like pultrusion. Extrusion can make long profiles, but pultrusion is the specialized method for continuous, constant cross-section composites.

Pultrusion. In this process, reinforcing fibers are pulled continuously through a resin bath and into a heated die that shapes and cures the material. The die has a fixed cross-section, so the profile stays the same along the entire length, producing long, uniform composite sections. This setup is ideal when you need a continuous, constant cross-section part with high fiber content and good strength. Lamination stacks layers to form a laminate, and casting fills a mold—neither yields a continuous profile with a fixed cross-section like pultrusion. Extrusion can make long profiles, but pultrusion is the specialized method for continuous, constant cross-section composites.

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