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Question 89

Carbonate cracking typically propagates _________ to the weld; the pattern of cracking observed on the surface is sometimes described as ________.

    Correct Answer: A

    Carbonate cracking typically propagates transverse to the weld. The pattern of cracking observed on the surface is sometimes described as 'eyebrow'. This is because the cracks tend to form perpendicular to the direction of the weld and the appearance resembles an eyebrow shape.

Discussion
ahmadmmOption: B

The pattern of cracking observed on the steel surface is sometimes described as a spider web of small cracks, which often initiate at or interconnect with weld-related flaws that serve as stress risers