Multiple choice

The objects of a fixed cross-sectional profile are created by the process of

  1. Extrusion

  2. Shear forming

  3. Sintering

  4. Fabrication
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A Correct answer
Explanation

Extrusion is a process used to create objects of a fixed cross-sectional profile. A material is pushed or drawn through a die of the desired cross-section. The two main advantages of this process over other manufacturing processes are its ability to create very complex cross-sections and work materials that are brittle, because the material only encounters compressive and shear stresses.

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