Discussion
Guided bend test is used to determine which of following:
Answer: B
A guided bend test determines ductility.
A strip cut across the weld is bent round a former of set radius, usually through 180°, with the weld at the bend. The outer surface is stretched heavily; if the weld and the heat-affected zone can bend without cracking or opening up, they have adequate ductility and soundness. Face, root and side bend tests check different surfaces.
Tensile strength and percentage of elongation are measured in a tensile test, and impact value in a Charpy or Izod notched-bar test.
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