Advantages of the Green Solid State FSW over the Conventional GMAW Process

<table>The welding morphology of the Al-Al GMAW joint depicts the microstructure of the (a) BM and (b) WZ and HAZ. The transition of grain structure from columnar dendritic to equiaxed dendritic is illustrated in the enlarged region of WZ in (c).</table>

Advances in Materials Science and Engineering

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Figure 11

Figure 11: Advantages of the Green Solid State FSW over the Conventional GMAW Process 