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

OBRABOTKAMETALLOV Vol. 23 No. 4 2021 154 MATERIAL SCIENCE and Technology: An International Journal , 2020, vol. 11, iss. 3, pp. 195–205. DOI: 10.1615/NanoSciTechno- lIntJ.2020033694. 19. Zykova A.P., Tarasov S.Yu., Chumaevskiy A.V., Kolubaev E.A. A review of friction stir processing of structural metallic materials: process, properties, and methods. Metals , 2020, vol. 10, iss. 6, p. 772. DOI: 10.3390/ met10060772. 20. Chaudhary A., Kumar Dev A., Goel A., Butola R., Ranganath M.S. The mechanical properties of differ- ent alloys in friction stir processing: a review. Materials Today: Proceedings , 2018, vol. 5, iss. 2, pp. 5553–5562. DOI: 10.1016/j.matpr.2017.12.146. Con fl icts of Interest The authors declare no con fl ict of interest.  2021 The Authors. Published by Novosibirsk State Technical University. This is an open access article under the CC BY li- cense (http://creativecommons.org/licenses/by/4.0/ ).