Question

Which of the following term is associated with intergranular corrosion in welded structures?

(a) Intergranular weld

(b) Weld failure

(c) Weld decay

(d) Weld corrosion

Answer 1

Right choice is (c) Weld decay

Explanation: The intergranular corrosion associated with the welded structures and metals is known as weld decay. The depletion of alloying takes place adjacent to the weld bead as it exposed to high temperature (sensitization temperature).