Investigations on ultrasonic vibration-assisted friction stir welded AA7075 joints: Mechanical properties and fracture analysis

OBRABOTKAMETALLOV technology Vol. 26 No. 2 2024 14. Singh S., Dhuria G. Investigation of post weld cryogenic treatment on weld strength in friction stir welded dissimilar aluminum alloys AA2014-T651 and AA7075-T651. Materials Today Proceedings, 2017, vol. 4, pp. 8866– 8873. DOI: 10.1016/j.matpr.2017.07.237. 15. Wang J., Fu R., Li Y. Effects of deep cryogenic treatment and low-temperature aging on the mechanical properties of friction-stir-welded joints of 2024-T351 aluminum alloy. Materials Science and Engineering A, 2014, vol. 609, pp. 147–153. DOI: 10.1016/j.msea.2014.04.077. 16. Wang Y., Fu R., Jing L., Li Y., Sang D. Grain refinement and nanostructure formation in pure copper during cryogenic friction stir processing. Materials Science and Engineering A, 2017, vol. 703, pp. 470–476. DOI: 10.1016/j. msea.2017.07.090. 17. ZhemchuzhnikovaD.,MalopheyevS.,MironovS.,KaibyshevR.CryogenicpropertiesofAl-Mg-Sc-Zr frictionstir welds. Materials Science and Engineering A, 2014, vol. 598, pp. 387–395. DOI: 10.1016/j.msea.2014.01.060. 18. Ferreira N., Jesus J.S., Ferreira J.A.M., Capela C., Costa J.M., Batista A.C. Effect of bead characteristics on the fatigue life of shot peenedAl 7475-T7351 specimens. International Journal of Fatigue, 2020, vol. 134, p. 105521. DOI: 10.1016/j.ijfatigue.2020.105521. 19. Liu P., Sun S., Hu J. Effect of laser shock peening on the microstructure and corrosion resistance in the surface of weld nugget zone and heat-affected zone of FSW joints of 7050 Al alloy. Optics & Laser Technology, 2019, vol. 112, pp. 1–7. DOI: 10.1016/j.optlastec.2018.10.054. 20. Sano Y., Masaki K., Gushi T., Sano T. Improvement in fatigue performance of friction stir welded A6061-T6 aluminum alloy by laser peening without coating. Materials and Design, 2012, vol. 36, pp. 809–814. DOI: 10.1016/j. matdes.2011.10.053. 21. Gaikwad V.S., Chinchanikar S. Mechanical behaviour of friction stir weldedAA7075-T651 joints considering the effect of tool geometry and process parameters. Advances in Materials and Processing Technologies, 2022, vol. 8 (4), pp. 3730–3748. DOI: 10.1080/2374068X.2021.1976554. 22. Gaikwad V., Chinchanikar S., Manav O. Investigation and multi-objective optimization of friction stir welding of AA7075-T651 plates. Welding International, 2023, vol. 37 (2), pp. 68–78. DOI: 10.1080/09507116.2 023.2177568. 23. Gaikwad V.S., Chinchanikar S.S. Adaptive neuro fuzzy inference system to predict the mechanical properties of friction stir welded AA7075-T651 joints. Jordan Journal of Mechanical and Industrial Engineering, 2022, vol. 16 (3), pp. 381–393. 24. Gaikwad V.S., Chinchanikar S. Mechanical properties, microstructure, and fracture behavior of friction stir welded AA7075 joints with conical pin and conical threaded pin type tools. Scientia Iranica, 2022, vol. 30, pp. 1–20. DOI: 10.24200/sci.2022.59154.6087. 25. Gaikwad V.S., Chinchanikar S. Investigation on surface roughness, ultimate tensile strength, and microhardness of friction stir welded AA7075-T651 joint. Materials Today Proceedings, 2021, vol. 46, pp. 8061– 8065. DOI: 10.1016/j.matpr.2021.03.034. 26. Liu Z., Meng X., Ji S., Li Z., Wang L. Improving tensile properties of Al/Mg joint by smashing intermetallic compounds via ultrasonic-assisted stationary shoulder friction stir welding. Journal of Manufacturing Processes, 2018, vol. 31, pp. 552–559. DOI: 10.1016/j.jmapro.2017.12.022. 27. Gao S., Wu C.S., Padhy G.K. Material flow, microstructure and mechanical properties of friction stir welded AA 2024-T3 enhanced by ultrasonic vibrations. Journal of Manufacturing Processes, 2017, vol. 30, pp. 385–395. DOI: 10.1016/j.jmapro.2017.10.008. 28. Ji S., Meng X., Liu Z., Huang R., Li Z. Dissimilar friction stir welding of 6061 aluminum alloy and AZ31 magnesium alloy assisted with ultrasonic. Materials Letters, 2017, vol. 201, pp. 173–176. DOI: 10.1016/j. matlet.2017.05.011. Conflicts of Interest The authors declare no conflict of interest.  2024 The Authors. Published by Novosibirsk State Technical University. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0).

RkJQdWJsaXNoZXIy MTk0ODM1