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Degradation (Metals (Erosion Corrosion (Fluid degrades material, Water…
Degradation
Metals
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Crevice Corrosion
One material, inside nooks and crannies, STAGNANT material
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Selective Leeching
Zn leaves, now copper wants to oxidize and corrode
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Preventing corrosion
Passivating oxide
Putting a layer of the metal oxidised on top of the same metal, so that way it cannot oxidise anymore
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Polymers
Swelling
it takes water in, and it degrades by breaking the polymer network
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Bond Cleavage
caused by hydrolysis, oxidation and catalytic cleavage
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