Effect of Residual Stress on the Mechanical Properties of FSW Joints with SUS409L

<div>Cross-sectional optical micrographs of the joints showing (a) the overall weld region at low magnification and measurement positions of residual stress (marked by white boxes), and high-magnification images showing (b) SZ, (c) boundary region between SZ and BM, and (d) BM.</div>

Advances in Materials Science and Engineering

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Figure 2

Figure 2: Effect of Residual Stress on the Mechanical Properties of FSW Joints with SUS409L 