Discussion
All of the following are advantages of composites over aluminium EXCEPT
Answer: C
Correct answer: Easier inspection and repair
Inspection and repair are harder with composites, not easier: damage may be internal and invisible, ultrasonic or thermographic methods are needed to find it, and a repair means a scarfed and re-cured patch rather than a riveted doubler. The other three are genuine advantages - tailorable properties, freedom from corrosion of the laminate itself, and higher specific stiffness along the fibres.
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