A Contemporary Review on Friction Stir Welding of Circular Pipe Joints and the Influence of Fixtures on This Process

<div>Different tool designs profiles used in FSW process. (a) Shoulder designs [<a href="/journals/amse/2022/1311292/#B55">55</a>], (b) tool pin profiles (CYL-cylindrical, CT-cylindrical tapered, SQ-square, CFT-cylindrical full threaded, TIF-threaded with three incremental flat faces) [<a href="/journals/amse/2022/1311292/#B56">56</a>].</div>

Advances in Materials Science and Engineering

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Figure 5

Figure 5: A Contemporary Review on Friction Stir Welding of Circular Pipe Joints and the Influence of Fixtures on This Process 