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Which of the following type of alloys are highly corrosion resistant in nature?

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Which of the following type of alloys are highly corrosion resistant in nature?

(a) Homogenous alloys

(b) Heterogenous alloys

(c) Homogenous and heterogeneous alloys

(d) Precipitation strengthened alloys

I had been asked this question in examination.

This key question is from Principles in portion Corrosion Principles of Corrosion Engineering

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Best answer
The correct choice is (a) Homogenous alloys

Best explanation: Homogenous alloys are highly corrosion resistant alloys than other alloy types. Since the galvanic effect is not present in homogenous alloys because of its single phase.

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