Towards a rapid, non-contact shaping method for fibre metal laminates using a laser source

Christian Carey, Wesley J. Cantwell, Geoff Dearden, Kenneth R. Edwards, Stuart P. Edwardson, Ken G. Watkins

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Since their initial development, fibre metal laminates (FMLs) have slowly started to be used by industry, particularly the aerospace sector. One of the reasons for the relatively slow adoption of FMLs is due to the difficulties faced in shaping them to the desired geometry. Whilst traditional processes such as roll forming are effective in shaping monolithic materials, these processes could potentially destroy the mechanical properties of the composite layer. The approached investigated here uses thermal or laser forming (LF) to shape flat panels of thermosetting glass fibre based FMLs into 2D geometries. This initial empirical investigation covers the effectiveness of the various LF processes and the effects of various parameters have on the forming process. These include laser parameters such as power and velocity and material parameters such as FML lay-up strategy, fibre orientation and comparison with monolithic materials.

Original languageBritish English
Pages (from-to)557-565
Number of pages9
JournalInternational Journal of Advanced Manufacturing Technology
Volume47
Issue number5-8
DOIs
StatePublished - Mar 2010

Keywords

  • Composite material
  • Fibre metal laminates
  • Laser forming
  • Non-contact shaping

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