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Pitting of the surface is a kind of aluminium alloy __________

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Pitting of the surface is a kind of aluminium alloy __________

(a) corrosion

(b) annealing

(c) strength

(d) manufacturing method

I had been asked this question in an online quiz.

The query is from Wrought Aluminium and it’s Alloys in chapter Wrought Aluminium Alloys of Aerospace Materials & Processes

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The correct choice is (a) corrosion

To explain I would say: One of the most important factors to consider while dealing with materials is corrosion. Aluminium alloys can be painted with a coating to avoid it. Pitting of the surface is corrosion that affects the surface due to the existence of moisture.

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