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The cathode in an electrochemical cell is the site where
electrons are consumed. For each electron that is produced at an anodic site, an
electron must be consumed at a cathodic site. No metal loss occurs at sites that
are totally cathodic. |
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Cathodic protection prevents corrosion by making a metal,
which would ordinarily behave like an anode and corrode, behave like a cathode and
be free from corrosive attack. In cathodic protection this is achieved by providing
electrons of a higher energy level (electric potential) than those which would be
produced in the corrosion reaction at the anode. |
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The electrons that are produced
at anodic sites are consumed at cathodic sites. |
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Cavitation corrosion is corrosion
that is enhanced through the formation and collapse of gas or vapor bubbles at or
near the metal surface |
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The
Care and Cleaning of Stainless Steel |
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Pickling
and cleaning of stainless steel |
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- Concentration cell corrosion
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Concentration cell corrosion is
corrosion that is accelerated by differences in environment between separated areas
on a single metal |
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Corrosion fatigue is the reduced
ability of a metal to withstand repeated stress when exposed to the combined action
of stress and a corrosive environment as compared to the effects of stress alone |
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Crevice Corrosion can be thought
of as a special case of pitting corrosion, but one where the initial "pit" is provided
by an external feature; examples of these features are sharp re-entrant corners,
overlapping metal surfaces, non-metallic gaskets or incomplete weld penetration.
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Software -
web page -
table