Stir zone material flow patterns during friction stir welding of heavy gauge AA5056 workpieces and stability of its mechanical properties

OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 23 No. 4 2021 Fig. 6. Structure of samples 1.1–1.5 ( а –e ) in the tool inlet zone, cut in the horizontal section according to the scheme shown in Fig. 1 а c b d e Fig. 7. Structure of samples 2.1 ( а , b ), 2.2 ( e, f ) and 2.3 ( д , е ) in the tool outlet zone, cut in the horizontal section according to the scheme shown in Fig. 1 а c e b d f