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Which of the following metal plating is used for high-strength steels in aircraft to improve resistance to corrosion fatigue?

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Which of the following metal plating is used for high-strength steels in aircraft to improve resistance to corrosion fatigue?

(a) Cadmium

(b) Magnesium

(c) Zinc

(d) Lead

I got this question during an internship interview.

This question is from Materials in portion Materials of Corrosion Engineering

1 Answer

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Best answer
Right choice is (a) Cadmium

To elaborate: Corrosion fatigue is the simultaneous effect of fatigue and corrosion on a working metal. Cadmium plating is used for high-strength steels in aircraft to improve resistance to corrosion fatigue.

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