UPOREDNO ISTRAŽIVANJE MEHANIČKIH SVOJSTAVA SUČEONO ZAVARENIH SPOJEVA RAZLIČITIH LEGURA ALUMINIJUMA AA 2024-T351 I AA 6082-T6 DOBIJENIH MIG I TIG ZAVARIVANJEM

33. Savetovanje sa međunarodnim učešćem Zavarivanje 2024, (p. S2.1)

AUTHOR(S) / АУТОР(И): Dragan Milčić , Miodrag Milčić , Aleksija Đurić , Damjan Klobčar , Nataša Zdravković , Radica Prokić Cvetković , Vencislav Grabulov 

Download Full Pdf   

DOI: 10.46793/Zavarivanje24.S2.1M

ABSTRACT / САЖЕТАК:

Ovaj rad ima za cilj da se uporede mehanička i strukturna svojstva sučeonih zavarenih svojstava različitih legure aluminijuma 2024-T351 i AA 6082-T6 dobijenih MIG i TIG postupkom zavarivanja. Legura AA 6082 T6 je dobro zavariva klasičnim fuzionim postupcima zavarivanja (MIG i TIG), dok je legura 2024-T351 gotovo nezavariva. Za zavarivanje ovih dveju različitih legura Al korišćeni su MIG i TIG postupak zavarivanja na limu debljine 8 mm koristeći dodatni materijal 4043A (AlSi5) i mešavinu argona i helijuma kao zaštitnog gasa za MIG postupak, odnosno čist argon za TIG postupak zavarivanja. U radu su uporedno data mehanička svojstva zavarenih spojeva dobijenih MIG i TIG postupkom zavarivanja. Uporedno je data mikrostrukturna evolucija zavarenog spoja različitih legure aluminijuma AA6082-T6 i AA2024-T351. Uporedno su data mehaničkih svojstava zavarenih spojeva različitih Al legure na osnovu rezultata ispitivanja tvrdoće prema Vikersu, ispitivanja na zatezanje i savijanja zavarenih uzoraka.

KEYWORDS / КЉУЧНЕ РЕЧИ:

Zavareni spojevi različitih legure aluminijuma, AA 2024-T351-AA 6082-T6, MIG i TIG postupak zavarivanja, Makro- i Mikrostruktura, Mehanička svojstva zavarenih spojeva

ACKNOWLEDGEMENT / ПРОЈЕКАТ:

Ovaj istraživački rad finansijski je podržalo Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije (Ugovor br. 451-03-65/2024-03).
Ovaj rad je rezultat istraživanja u okviru bilateralnog projekta sa Republikom Slovenijom “Obezbeđenje visoke pouzdanosti aluminijumskih struktura i njihovih delova u transportnoj tehnici” u projektnom ciklusu 2020-2022 (br.projekta 337-00-21/2020-09/48).

REFERENCES / ЛИТЕРАТУРА:

  1. Bohnart, Edvard R. TIG Handbook for GTAW Gas Tungsten Arc Welding. Miller Electric Manufacturing, LLC Company: Appleton, WI, USA, 2005.
  2. Muncaster, Peter W. A Practical Guide to TIG (GTA) Welding. Elsevier: Amsterdam, The Netherlands, 1991.
  3. Jeffus, L., Welding: Principles and Applications; Delmar Cengage Learning: Boston, MA, USA, 2016.
  4. Adibeig, M.R., Hassanifard, S., Vakili-Tahami, V., Hattel, J.H., Experimental investigation of tensile strength of friction stir welded butt joints on PMMA Materials Today Communications, 17 (2018), pp. 238-245.
  5. Rokni, M.R., Zarei-Hanzaki, A., Roostaei, A.A., Abolhasani, A., Constitutive base analysis of a 7075 aluminum alloy during hot compression testing, Materials & Design, 32 (2011), 10, pp. 4955-4960.
  6. Kumar, B., Kumar, P., Preparation of hybrid reinforced aluminium metal matrix composite by using ZrB2: A systematic review, Materials Today: Proceedings, 61 (2022), 1, pp. 115-120.
  7. Lean, P.P., Gil, L., Ureña, A., Dissimilar welds between unreinforced AA6082 and AA6092/SiC/25p composite by pulsed-MIG arc welding using unreinforced filler alloys (Al–5Mg and Al–5Si), Journal of Materials Processing Technology, 143–144 (2003), pp. 846-850. https://doi.org/10.1016/S0924-0136(03)00331-5.
  8. Nasser, N.J., Mechanical Properties of MIG Joints for Dissimilar Aluminum Alloys (2024-T351 and 6061-T651). Al-Khwarizmi Engineering Journal, 12 (2016), 3, pp. 121- 128.
  9. Kaba, L., Djeghlal, M.E., Ouallam, S., Kahla, S., Dissimilar welding of aluminum alloys 2024 T3 and 7075 T6 by TIG process with double tungsten electrodes. The International Journal of Advanced Manufacturing Technology, 118 (2022), 937–948. https://doi.org/10.21203/rs.3.rs-408163/v1.
  10. Lalvani, H., Mandal, P., Cold forming of Al-5251 and Al-6082 tailored welded blanks manufactured by laser and electron beam welding. Journal of Manufacturing Processes, 68 (2021), Part A, pp. 1615-1636. https://doi.org/10.1016/j.jmapro.2021.06.070.
  11. Milčić, M., Vuherer, T., Radisavljević, I., Milčić, D., Experimental Investigation of Mechanical Properties on Friction Stir Welded Aluminum 2024 Alloy. Springer Nature Switzerland AG 2019, N. Mitrovic et al. (Eds.): CNNTech 2018, LNNS 54, pp. 44-58, (2019).
  12. Milčić, M., Vuherer, T., Radisavljević, I., Milčić, D., Kramberger, J., The influence of process parameters on the mechanical properties of friction-stir-welded joints of 2024 T351 aluminum alloys, Materiali in Tehnologije, 53 (2019), 6, pp. 771 – 776. doi: 10.17222/mit.2019.062.
  13. Vuherer,, Milčić, M., Glodež, S., Milčić, D., Radović, Lj., Kramberger, J., Fatigue and fracture behaviour of Friction Stir Welded AA-2024-T351 joints, Theoretical and Applied Fracture Mechanics, 114 (2021). https://doi.org/10.1016/j.tafmec.2021.103027
  14. Milčić, M., Milčić, D., Vuherer, T., Radović, Lj., Radisavljević, I., Đurić, A., Influence of Welding Speed on Fracture Toughness of Friction Stir Welded AA2024-T351 Joints, Materials 14 (2021), 6: 1561. https://doi.org/10.3390/ma14061561.
  15. Kasman, Ş., Yenier, Z. Analyzing dissimilar friction stir welding of AA5754/AA7075, Int J Adv Manuf Technol, 70 (2014), pp. 145–156. https://doi.org/10.1007/s00170-013-5256-7.
  16. Hadji, I., Badji, R., Gaceb, M., Cheniti, B., Dissimilar FSW of AA2024 and AA7075: effect of materials positioning and tool deviation value on microstructure, global and local mechanical behavior, Int J Adv Manuf Technol, 118 (2022), pp. 2391–2403. https://doi.org/10.1007/s00170-021-08120-0.
  17. Mastanaiah, P., Sharma, A., Reddy, G.M., Dissimilar Friction Stir Welds in AA2219-AA5083 Aluminium Alloys: Effect of Process Parameters on Material Inter-Mixing, Defect Formation, and Mechanical Properties, Trans Indian Inst Met 69 (2016), pp. 1397–1415. https://doi.org/10.1007/s12666-015-0694-6.
  18. Amuthan, ,Nagaprasad, N.,Krishnaraj, R., Narasimharaj, V., Balasubramaniam, S., Vignesh, V., Experimental study of mechanical properties of AA6061 and AA7075 alloy joints using friction stir welding, Materials Today, 47 (2021), 4, pp. 4330-4335.
  19. Heinz, A. Haszler, C. Keidel, S. Moldenhauer, R. Benedictus, and W. Miller, “Recent development in aluminium alloys for aerospace applications”, Mater. Sci. Eng. A, 280 (2000) 1, pp.102–107.
  20. Milčić, D., Vuherer, T., Radović, Lj., Milčić, M., Mladenović, M., Radovanović, A., Radović, N., MIG welding process on the mechanical properties of butt welded joints of dissimilar aluminum alloys 2024-T351 /6082-T6, 10th International Scientific Conference on Defensive Technologies OTEH 2022, Beograd 13-14 Oktober 2022, pp.541-547.
  21. Milčić, D., Milčić, M., Vuherer, T., Đurić, A., Mitić, D., Radovanović, A., Dissimilar welding of aluminum alloys 2024 T351 and 6082 T6 by TIG process, 12. Međunarodno znanstveno-stručno savjetovanje SBZ 2023 „STROJARSKE TEHNOLOGIJE U IZRADI ZAVARENIH KONSTRUKCIJA I PROIZVODA, SBZ 2023.“ Slavonski Brod, 26. i 27. 04. 2023. i Požega 28. 04. 2023, pp. 117-126.
  22. Kaba, L., Djeghlal, M.E., Ouallam, S., Kahla, S., Dissimilar welding of aluminum alloys 2024 T3 and 7075 T6 by TIG process with double tungsten electrodes, Int J Adv Manuf Technol, 118 (2022), pp. 937–948. https://doi.org/10.1007/s00170-021-07888-5.