Page 93 - Quick Guide to Welding and Weld Inspection by S.E. Hughes, Clifford Matthews

A Quick Guide to Welding and Weld Inspection

Figure 6.7 Guided bend test

Bend tests are classed as face, root or side bends (see Fig.
6.8) depending on which surface is under tension; a face bend
will have the face under tension while a root bend will have
the root under tension. A side bend test is used where the
sample is too thick to form a face or root bend. With a side
bend test the cross-section of the whole weld is put under
tension and checked for internal defects such as lack of
sidewall fusion or inter-run fusion. It is worth keeping in
mind that the side bend is just a snapshot of the weld at one
particular point within the weld length.

Charpy tests
Material impact toughness can be measured by various types
of test such as the Charpy V-notch impact test, Izod test or
K IC test. The most commonly used test is the Charpy impact
test (see Fig. 6.9), which gives an indication of the toughness
of a material at a specified temperature. It is not a

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