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Galvanic corrosion occurs when dissimilar metals contact in electrolyte; more active metal (anode) corrodes preferentially.
دليل خطوة بخطوة
- 1Input two metals and galvanic series position
- 2Calculate galvanic potential
- 3Determine which metal corrodes and rate
أمثلة محلولة
الإدخال
Zinc (anode) + steel (cathode) in seawater
النتيجة
Zinc sacrificially corrodes, protecting steel (intentional use)
أخطاء شائعة يجب تجنبها
- ✕Assuming only one metal corrodes (wrong)
- ✕Not understanding sacrificial anode concept
أسئلة شائعة
How do you prevent galvanic corrosion?
Use same metal, isolate with non-conductive gasket, or apply protective coating.
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