DOI QR코드

DOI QR Code

Study on fatigue experiment for transverse butt welds under 2G and 3G weld positions

  • Kang, Sung-Wook (RIMSE, Dept. of Naval Architecture and Ocean Engineering, Seoul National University) ;
  • Park, Yong-Man (Dept. of Naval Architecture and Ocean Engineering, Seoul National University) ;
  • Jang, Beom-Seon (RIMSE, Dept. of Naval Architecture and Ocean Engineering, Seoul National University) ;
  • Jeon, Yu-Chul (Daewoo Shipbuilding & Marine Engineering Co., Ltd.) ;
  • Kim, Seong-Min (Daewoo Shipbuilding & Marine Engineering Co., Ltd.)
  • Received : 2014.11.04
  • Accepted : 2015.06.24
  • Published : 2015.09.30

Abstract

Although the transverse butt weld method with ceramic backing strip has been widely used in various industrial fields for its fabricational convenience, it is rarely used in offshore industries since the fatigue strength of the weld joint has not been proved sufficiently. This study conducted fatigue tests for series of butt weld specimens with horizontal (2G) and vertical (3G) welding positions in order to verify the fatigue strength compared to S-N curve by DNV (Det Norske Veritas), IIW (International Institute of Welding) and Eurocode 3. The difference of the 2G specimens and the 3G specimens are investigated in terms of angular distortion and the effect on the fatigue strength are analyzed.

Keywords

References

  1. Altair Engineering, Inc, 2011. Altair hyermesh version 11.0 User Guide. Michigan, USA: Altair Engineering, Inc.
  2. ASTM, 2002. Standard practice for conduction force controlled constant amplitude axial fatigue tests of metallic materials. E 466-96. West Conshohocken, USA: ASTM.
  3. CEN, 2005. EN-1993-1-9: Eurocode 3: Design of steel structures, Part 1-9: Fatigue. Brussels, Belgium : European Committee for Standardization.
  4. Det Norske Veritas, 2010. Fatigue design of offshore steel structures. DNV-RP-C203. Hovik, Norway: Det Norske Veritas
  5. Do, H.D., Kang, S.W., Han, J.H., Kim, S.M. and Kim, M.H., 2009. Fatigue assessment in accordance with back plate of butt welded specimens. Journal of the Society of Naval Architects of Korea, 46(1), pp.24-30. https://doi.org/10.3744/SNAK.2009.46.1.024
  6. Han, J.H., Kim, S.M., Lee, W.I., Kang, S.W. and Kim, M.H., 2009. Fatigue assessment of butt welded specimen according to the existence of the backplate. Journal of Korean Welding and Joining Society, 27(1), pp.90-94. https://doi.org/10.5781/KWJS.2009.27.1.090
  7. Hobbacher, A., 2008. Recommendations for fatigue design of welded joints and components. Paris, France: International Institute of Welding.
  8. Kang, S.K., Yang , J.S., and Kim, H.K., 2015. Development of method to remove weld scallop and ceramic backing material of wedge type and its application. International Journal of Naval Architecture and Ocean Engineering , 7, pp. 315-323. https://doi.org/10.1515/ijnaoe-2015-0022
  9. Kim, C.H., 2010. Back bead characteristics during butt welding of a thick plate for various backing conditions. Materials Science Forum, 654-656, pp.350-353. https://doi.org/10.4028/www.scientific.net/MSF.654-656.350
  10. Kim, M.H., Kim, H.J., Han, J.H., Lee, J.M., Kim, Y.D., Kang, N.H., Kang, M.J. and Kim, C.H., 2011. Influence of backing materials towards the fatigue strength of butt-welded joints. Journal of Mechanical Engineering Science, 225(8), pp. 1798-1807. https://doi.org/10.1177/0954406211403570
  11. Maddox, S.J., 1991. Fatigue strength of welded structures. Cambridge: Abington Publishers.

Cited by

  1. Overview of the geometrical influence on the fatigue strength of steel butt welds by a nonlocal approach vol.43, pp.3, 2015, https://doi.org/10.1111/ffe.13135