소성∙가공 (Transactions of Materials Processing)

  • 제22권4호
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  • Pages.189-195
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  • 2013
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  • 1225-696X(pISSN)
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  • 2287-6359(eISSN)
한국소성∙가공학회 (The Korean Society for Technology of Plasticity and materials processing)
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전기저항가열 압출점접합공정에 있어서 접합강도에 관한 연구

A Study of the Weld Strength of Extru-Rivet Spot Welding Using Electrodes Heated by Electric Resistance

  • 투고 : 2013.02.28
  • 심사 : 2013.06.28
  • 발행 : 2013.07.01
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초록

In this study, the weld strength of extru-rivet spot welding was investigated by simulation and experiment. In order to obtain hot plasticity flow bonding of the two plates by a single rivet, electrodes are used for heating of the two plates and the rivet by electric resistance. Because weld strength is influenced by the temperature in the weld zone, the diameter of the electrodes and the amount of current supplied to the electrodes are important variables. For the simulation, heat distribution and weld strength were calculated using DEFORM-3D. The weld strength in the weld zone was calculated for various values of the experimental parameters. The simulation results showed that the weld strength was the highest when the weld current was 37kA, the electrode diameter was 12mm, and the welding frequency was 90cycle. Aluminum 5052 was used for the experimental study. A total of three aluminum plates, two welding plates with 1mm thickness and one plate with 2mm thickness for the inserting rivet, were used for the experimental extru-rivet spot welding.

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참고문헌

  1. D. B. Kim, M. Y. Lee, B. J. Park, J. K. Park, H. Y. Cho, 2012, Forging Process Design of Self-Piercing Rivet for Joining dissimilar Sheet Metals, J. Kor. Soc. Mach. Marine. Eng. Vol. 36, No. 6, pp. 802-807. https://doi.org/10.5916/jkosme.2012.36.6.802
  2. D. B. Yum, J. B. Ko, B. K. Choi, S. G. Lee, A. K Kim, 2002, Evaluation of Resistance Spot Welding Weldability of Aluminum Alloy 5000 Series, Trans. Kor. Soc. Mach. Tool Eng., Vol. 11, No. 3, pp. 8-13.
  3. Mitsuo Fujimoto, Shinji Koga, Natsumi Abe, S. Yutaka Sato, Hiroyuki Kokawa, 2009, Analysis of Plastic Flow of the Al Alloy Joint Produced by Friction Stir Spot Welding, Weld. Int., Vol. 23, No. 8, pp. 589-596. https://doi.org/10.1080/09507110802543088
  4. Wayne Cai, P. C. Wang, Wu Yang, 2005, Assembly Dimensional Prediction for Self-Piercing Riveted Aluminum Panels, Int. J. Mach. Tools Manuf., Vol.45, No. 6, pp. 695-704. https://doi.org/10.1016/j.ijmachtools.2004.09.023
  5. J. H. Lee, I. T. Jin, 2010, A Study on Welding Strength of Extru-Riveting Process of Aluminum Plates, Trans. Mater. Process, Vol.19, No.8, pp. 460-467. https://doi.org/10.5228/KSTP.2010.19.8.460
  6. I. T. Jin, 2007, Extruvet Bonding Apparatus and Method of Metal Plate by Plasticity Flow, Kor. Paternt, 10-0743857.
  7. K. K. Lee, 2009, A Study on the Extru-welding Process of Aluminum Rods and Plates, Departmant of Mechanical Engineering, Ph.D Thesis, The graduate School, Pukyung National University, Kor.

피인용 문헌

  1. Electric Resistance Heated Friction Stir Spot Welding of Overlapped Al5052 Alloy Sheets vol.24, pp.4, 2015, https://doi.org/10.5228/KSTP.24.4.256
  2. A Study on the Effect of Pin Height on Weld Strength in Extru-Rivet Spot Welding of Aluminum Plates vol.23, pp.5, 2014, https://doi.org/10.5228/KSTP.2014.23.5.282