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Grain boundaries are highly prone to corrosion than the grain faces.

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in Corrosion Engineering by (98.5k points)
Grain boundaries are highly prone to corrosion than the grain faces.

(a) True

(b) False

The question was asked by my college professor while I was bunking the class.

My query is from Principles topic in portion Corrosion Principles of Corrosion Engineering

1 Answer

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The correct option is (a) True

For explanation I would say: Grain boundaries are the high energy area and are more active chemically. Hence, grain boundaries are highly prone to corrosion than the grain faces. This is used to develop a contrast between grain and grain boundaries in the inspection of microstructure.

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