Numerical assessment of residual formability in sheet metal products: towards design for sustainability

Javad Falsafi, Eemrah Demirci, Vadim V. Silberschmidt

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A new computational scheme is presented to addresses cold recyclability of sheet- metal products. Cold recycling or re-manufacturing is an emerging area studied mostly empirically; in its current form, it lacks theoretical foundation especially in the area of sheet metals. In this study, a re-formability index was introduced based on post-manufacture residual formability in sheet metal products. This index accounts for possible levels of deformation along different strain paths based on Polar Effective Plastic Strain (PEPS) technique. PEPS is strain-path independent, hence provides a foundation for residual formability analysis. A user- friendly code was developed to implement this assessment in conjunction with advanced finite- element (FE) analysis. The significance of this approach is the advancement towards recycling of sheet metal products without melting them.
Original languageEnglish
Number of pages4
JournalJournal of Physics: Conference Series
Publication statusPublished - 9 Sep 2016
Event10th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes - Bristol, United Kingdom
Duration: 4 Sep 20169 Sep 2016


  • sheet metal products
  • sustainability
  • advanced finite-element (FE) analysis


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