from the galvanic series, name three metals or alloys that may be used to galvanically protect 304 stainless steel in the active state
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The galvanic series is a list of metals and alloys arranged in order of their tendency to corrode in a given environment. The metal or alloy at the top of the list is the most anodic (most likely to corrode), while the one at the bottom is the most cathodic (least Show more…
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(a) From the galvanic series (Table 17.2 ), cite three metals/alloys that may be used to galvanically protect cast iron. (b) As Concept Check $17.4(\mathrm{b})$ notes, galvanic corrosion is prevented by making an electrical contact between the two metals in the couple and a third metal that is anodic to the other two. Using the galvanic series name one metal that could be used to protect a nickel-steel galvanic couple
What is meant by cathodic protection? Which of the following metals can offer cathodic protection to iron? $$\mathrm{Zn}, \mathrm{Ni}, \mathrm{Al}, \mathrm{Sn}$$
Which metals would act as sacrificial anodes (cathodic protection) for iron? Na Zn Al Sn Pb Despite its ability to act as a sacrificial anode for iron, which metal's reactivity with water makes it unsuitable to attach to the hull of a steel ship? Pb Al
Madhur L.
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