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Why less originated area act as anode in a metal ?

by ajayguhan
Tags: anode, corrosion, metal, originated
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ajayguhan
#1
Sep30-13, 08:05 AM
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Why less originated area act as anode in a metal ?
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Borek
#2
Sep30-13, 09:39 AM
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What do you mean by "originated area"?
ajayguhan
#3
Sep30-13, 09:55 AM
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P: 134
Sorry it's oxygenated

Borek
#4
Sep30-13, 10:25 AM
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Why less originated area act as anode in a metal ?

I am still not sure what the question is really about. In what context was it asked?
ajayguhan
#5
Sep30-13, 10:38 AM
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P: 134
A metal undergoes a electrochemical corrosion when exposed to moisture air. The parts which are less exposed to oxygen will act as anode and the more oxygen concentrated area will act as cathode


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