302408.fig.007a
(a)
302408.fig.007b
(b)
302408.fig.007c
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302408.fig.007d
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Figure 7: (a) Schematic of the linear butt-weld characterized by Carr et al. (adapted with permission from reference [90]). Variation of the macroscopic residual stresses along the three principal directions in a zircaloy-4 weld after a stress-relieving heat treatment (filled circles) and as-welded (open circles). The as-welded stresses are reduced by about 40% by the heat treatment. Measurements were taken across the plate (top) at the mid-thickness position (4.3 mm from either surface).