Evaluation of the gap area between two sided friction stir welding of AA 2024-T351

  • Authors

    • Hassan Mahdi "Middle Technical University - Baghdad"
    • Moneer Tolephih "University of Kerbala"
    • Nasri Namer "Middle Technical University"
    2018-03-15
    https://doi.org/10.14419/ijet.v7i2.9362
  • Aluminum Alloys, Friction Stir Welding, Double Pass Technique, Mechanical Properties, Welding Passes.

  • Abstract

    The joints fabricated by two sided friction stir welding has shown higher ultimate tensile strength as compared to the joints fabricated by single pass and this trend is common for all the tool profiles.

    The joining of AA 2024-T351 aluminum plates with dimensions 200 mm ´ 200 mm ´ 5 mm (Length ´ width ´ thickness) was carried out by double pass friction stir welding (FSW) technique. Three friction stir welding tools with different pin height (1, 1.5 and 2) mm were used with different stirring rotation speeds and travel speed, (560, 710 and 900) RPM and (16, 20 and 25) mm/min respectively.

    The welded specimens were analyzed and evaluated using microstructure, macrostructure, tensile and hardness tests. The results indicated that the yield strength and tensile strength increases as the distance between the two passes (double pass) decrease, the rotational speed of 900 RPM and 560 RPM with travel speed of 16 mm/min and 25 mm/min, respectively is considered to be the most efficient and the width of the gap of the joint line decrease as the distance between the two welding pass decreases.

  • References

    1. [1] K.S. Arora, S. Pandey, M. Schaper and R. Kumar, "Microstructure evolution during friction stir welding of aluminuatam alloy AA2219", Journal of Materials Science & Technology, Vol. 26, Issue 8, April 2010, pp.747-753. https://doi.org/10.1016/S1005-0302(10)60118-1.

      [2] R.S. Mishra, Z.Y. Ma, "Friction stir welding and processing", Materials Science and Engineering: R-Reports, Vol. 50, Issue 1-2, August 2005, pp.1–78. https://doi.org/10.1016/j.mser.2005.07.001.

      [3] M. Di. Paola, A. Falchera, M. Cabibbo, E. Evangelista, E. Meccia and S. Spigarelli, "Mechanical and microstructural characterization of an aluminum friction stir welded butt joint", Metallurgical Science and Technology, Vl.0, No. 1, 2002, published in 2013,pp.17-21.

      [4] T.S. Srivatsan, Satish Vasudevan, "Influence of friction stir welding on microstructural development, mechanical response and fracture behavior of aluminum alloy 2024", ASM International, Processing and Fabrication of Advanced Materials XV (#05201G), 2006, pp. 1-27.

      [5] Bangcheng Yang, Junhui Yan, Michael A. Sutton, and Anthony P. Reynolds, "Banded microstructure in AA2024-T351 and AA2524-T351 aluminum friction stir welds, Part I. Metallurgical studies", Materials Science and Engineering, Vol. A364, pp. 55–65.June 2003,

      [6] John F. Bingert, Richard W. Fonda, "Transverse texture and microstructure gradients in friction-stir welded 2519 aluminum", Proceedings of the 4th International Symposium on Friction, Stir Welding, Park City, UT, May 14-16, 2003, Los Alamos national Laboratory, May 2003, pp. 112.

      [7] R.W.Fonda and J.F. Bingert, "Microstructural evolution in the Heat-Affected Zone of a friction stir weld", Metallurgical and Materials Transactions A,Vol.35, Issue 5, May 2004, pp. 1487-1499. https://doi.org/10.1007/s11661-004-0257-7

      [8] Emilie Bousquet, Angéline Poulon-Quintin, Monique Puiggali, Olivier Devos, Marie Touzet, "Relationship between microstructure, microhardness and corrosion sensitivity of an AA 2024-T3 friction stir welded joint", Corrosion Sience, Vol. 53, Issue 9, September 2011, , pp. 3026-3034. https://doi.org/10.1016/j.corsci.2011.05.049.

      [9] D.P.P. Booth, M.J. Starink and I. Sinclair," Analysis of local microstructure and hardness of 13mm gauge 2024-T351 AA friction stir welds", Materials Science and Technology,Vol.23, Issue 3, 2007, Published in 2013, pp. 276-284.

      [10] Von der Fakultt für Maschinenbau, "Influence of energy input in friction stir welding on structure evolution and mechanical behavior of precipitation- hardening in aluminum alloys (AA2024-T351, AA6013-T6 and Al-Mg-Si)", June 2008.

      [11] S. J. Barnes, A. Steuwer, S. Mahawish, R. Johnson and P. J. Withers, "Residual strain and microstructure development in single and sequential double pass friction stir welds in RQT-701 steel", Material Science and Engineering: A, Vol. 492, Issue 1-2, September 2008, pp. 35-44. https://doi.org/10.1016/j.msea.2008.02.049.

      [12] N.A.A. Sathari, L.H. Shah and A.R. Razali, “Investigation of single pass/double pass techniques on friction stir welding of aluminumâ€, Journal of Mechanical Engineering and Sciences (JMES) , Volume 7, pp. 1053-1061, December 2014 © University of Malaysia Pahang, Malaysia. https://doi.org/10.15282/jmes.7.2014.4.0102.

      [13] Iman Hejazi and Seyyed Ehsan Mirsalehi, "Effect of pin penetration depth on double-sided friction stir welded joints of AA6061-T913 alloy", Transaction of Nonferrous Metals Society of China, Volume 26, Issue 3, March 2016, pp. 676-683. https://doi.org/10.1016/S1003-6326(16)64158-4

      [14] Nofel M.AL-Araji, Karrer M.Kadum, Akeel A. AL-Dayn, "Effect of friction stir welding pressure on the microstructure and mechanical properties of weld joints", International Journal of Scientific & Engineering Research, Volume 2, Issue 12, December-2011, pp. 1-5.

  • Downloads

  • How to Cite

    Mahdi, H., Tolephih, M., & Namer, N. (2018). Evaluation of the gap area between two sided friction stir welding of AA 2024-T351. International Journal of Engineering & Technology, 7(2), 296-299. https://doi.org/10.14419/ijet.v7i2.9362

    Received date: 2018-02-02

    Accepted date: 2018-02-21

    Published date: 2018-03-15