Friction stir welding of steel for marine applications

Athanasios Toumpis, Alexander Galloway, Stephen R. Cater, Paul Burling, Chris Stanhope

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Abstract

Friction Stir Welding is a solid state welding process widely used to fabricate aluminium, magnesium and copper structures across a broad range of industries where high strength welds are required in safety critical applications. Work is underway to transfer the process into the fabrication of steel structures, bringing to steel fabrication the benefits of high strength, low distortion, enhanced fatigue life and improved toughness. These property enhancements are of particular benefit to the marine sector, where the additional abilities of the FSW to join dissimilar steels, for example carbon to stainless, and its potential reduced susceptibility to hydrogen embrittlement are also likely to be of great interest. This paper reports work undertaken as part of the EU funded project HILDA, an investigation into the potential of FSW to be utilised for the fabrication of ship structures from 6mm thick DH36 steel.
Original languageEnglish
Number of pages11
Publication statusPublished - 10 Jun 2014
Event33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014 - California, San Francisco, United States
Duration: 8 Jun 201413 Jun 2014

Conference

Conference33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014
CountryUnited States
CitySan Francisco
Period8/06/1413/06/14

Keywords

  • friction stir welding (FSW)
  • high strength welds
  • steel fabrication
  • carbon steel
  • stainless steel
  • marine engineering applications

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    Toumpis, A., Galloway, A., Cater, S. R., Burling, P., & Stanhope, C. (2014). Friction stir welding of steel for marine applications. Paper presented at 33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014, San Francisco, United States.