Hydrogen blisters may form at many different depths from the surface of the steel, in the middle of the plate or near a weld. In some cases, neighboring or adjacent blisters that are at slightly different depths (planes) may develop cracks that link them together. Interconnecting cracks between the blisters often have a __________ appearance.

Question

Quizplus · Accepted Answer

The interconnecting cracks between hydrogen blisters often have a step-like appearance due to the different depths at which the blisters form, creating a layered effect.

Hydrogen Blisters May Form at Many Different Depths from the Surface