For the following types of corrosion, match each with its definitiion. 1. galvan

Question

For the following types of corrosion, match each with its definitiion.

1. galvanic corrosion                              

2. stress corrosion cracking                  

3. uniform corrosion                              

4. pitting corrosion

5. crevice corrosion

a) corrosion over the entire surface

b) localized corrosion, small anodic sites

c) affects susceptible materials if parts are subjected to machining, extrusion, or coldworking and a corrosive environment.

d) sandwiched materials in a corrosive environment

e) dissimilar metals coupled together in a corrosive environment

Explanation / Answer

1. galvanic corrosion -----------e) dissimilar metals coupled together in a corrosive environment

2. stress corrosion cracking -------------- c) affects susceptible materials if parts are subjected to machining, extrusion, or coldworking and a corrosive environment.

3. uniform corrosion ------------   a) corrosion over the entire surface

4. pitting corrosion---------b) localized corrosion, small anodic sites

5. crevice corrosion------------- d) sandwiched materials in a corrosive environment

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