Corrosion of stainless steel is due to formulation of_________________?
Correct answer: C. Chromium carbide
- A. Iron carbide
- B. Carbon carbide
- C. Chromium carbide
- D. Nickel carbide
Explanation
In stainless steel, chromium carbide formation at grain boundaries can deplete nearby chromium and destroy the protective passive film, producing intergranular corrosion. The other listed carbides are not the characteristic cause in this context.
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