Discussion
Which of the following would NOT be a suitable inspection method for internal composite damage?
Answer: B
Correct answer: Magnetic particle inspection
Magnetic particle inspection relies on a magnetic field leaking at a discontinuity, so it works only on ferromagnetic materials. Carbon composite is not ferromagnetic and the method detects nothing. The other three are all standard: ultrasonic inspection for delaminations, thermography for larger areas, and tap testing as a quick manual check.
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