Skip to main content
Article thumbnail
Location of Repository

Rolling to control residual stress and distortion in friction stir welds

By S. W. Wen, Paul A. Colegrove, S. W. Williams, S. A. Morgan, A. Wescott and M. Poad

Abstract

Considerable residual stress and distortion can be produced by friction stir welding, impeding industrial implementation. Finite element analysis has been used to develop three innovative rolling methods that reduce residual stress and distortion in friction stir welds. Of the three methods, post-weld direct rolling where a single roller is applied to roll the top surface of the weld after the weld metal has cooled to room temperature proved the most effective. The residual stress predictions from the model compared favourably with residual stress measurements reported in an accompanying paper. Finally, the effectiveness of using post-weld direct rolling is illustrated with an industrial example of a large integrally stiffened panel, where the distortion was virtually eliminated

Topics: Rolling Friction stir weld Residual stress Distortion Finite element modelling temperature simulation roller alloy amg6 arc
Year: 2010
DOI identifier: 10.1179/136217110X12785889549787
OAI identifier: oai:dspace.lib.cranfield.ac.uk:1826/5210
Provided by: Cranfield CERES
Journal:

Suggested articles

Citations

  1. A study of residual stresses and microstructure in 2024-T3 aluminium friction stir butt welds', doi
  2. (2007). Distortion control in welding by mechanical tensioning', doi
  3. (2007). FE Modelling of Mechanical Tensioning for Controlling Residual Stresses in Friction Stir Welds', Materials Science Forum, doi
  4. (1995). Friction stir butt welding',
  5. (2005). Friction stir welding and processing', doi
  6. (1980). Improving the mechanical properties of welded joints in the AMg6 alloy by plastic deformation during arc welding', Welding Production,
  7. (2007). Model for predicting heat generation and temperature in friction stir welding from the material properties’, doi
  8. (2007). Modelling of residual stresses and property distributions in friction stir welds of aluminium alloy 6061-T6', doi
  9. (2005). Modelling of the contact condition at the tool/matrix internface in friction stir welding’,
  10. (2004). New development in welding thin-shell aluminum alloy structures with high strength', China Welding (English Edition),
  11. (2004). Numerical simulation of transient temperature and residual stresses in friction stir welding of 304L stainless steel', doi
  12. (1984). Preventing distortion of welded thin-walled members of AlMg6 and 1201 aluminum alloys by rolling the weld with a roller behind the welding arc', Welding Production (English Translation of Svarochnoe Proizvodstvo),
  13. (1996). Preventing weld hot cracking by synchronous rolling during welding',
  14. (2009). Residual stress engineering in friction stir welds by roller tensioning', doi
  15. (2007). Residual stresses simulation for friction stir welded joint', doi
  16. (2009). Rolling of friction stir welds for residual stress and distortion control’, doi
  17. (2004). Strain field analysis of welding with trailing impact rolling for reduction of residual stress and distortion and prevention of hot cracking’,
  18. (2009). The welding process impact on residual stress and distortion', doi
  19. (2005). Weld with trailing impact rolling to control the residual distortion of the thin-walled planar circumferential weldment’,

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.