Cwb Welding Inspection Practice Test & Exam Prep

Lamellar tearing in structural steel weldments is characterized by which of the following mechanisms and locations?

Intergranular cracking in the weld metal due to hydrogen embrittlement Cracking in the base metal parallel to the rolling plane, driven by through-thickness shrinkage strains at elongated sulfide inclusions Transgranular cleavage cracking in the coarse-grained HAZ due to high heat input Sub-surface oxidation cracking at high service temperatures in stainless steels

Correct Answer:

Cracking in the base metal parallel to the rolling plane, driven by through-thickness shrinkage strains at elongated sulfide inclusions

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