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Season-cracking can be prevented by cold-working of brass at _________

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Season-cracking can be prevented by cold-working of brass at _________

(a) 15^oC

(b) 100^oC

(c) 300^oC

(d) 550^oC

I had been asked this question during an online interview.

My query is from Corrosion and Oxidation Control topic in portion Imperfection in Metal Crystals, Fracture, Corrosion and Oxidation of Engineering Material & Metallurgy

1 Answer

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Right option is (c) 300^oC

Best explanation: Cold-worked brass with high residual stresses along the grain boundary is known as season-cracking. This generally occurs in the presence of ammonia. This corrosion can be prevented by cold-working at 300^oC.

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