A review of flow forming processes and mechanisms: 18th International ESAFORM Conference on Material Forming, ESAFORM 2015

Daniele Marini, David Cunningham, Jonathan Corney, Aldo Ofenheimer (Editor), Cecilia Poletti (Editor), Daniela Schalk-Kitting (Editor), Christof Sommitsch (Editor)

Research output: Other contribution

Abstract

After years of purely academic interest and niche applications, today the flow forming process is increasing demand in aerospace, automotive and defense industries. This review surveys academic paper of last fifty years, in order to evaluate the current state-of-the-art for academic and practitioner. Theoretical and experimental approaches are collected and compared by evaluating their prediction models. As a result, several knowledge gaps are identified, for example stress and strain tensors evolutions are not determined for workpiece, due to high computational cost and uncertainty about the correct finite elements approach to adopt. Similarly although, the final microstructure is often evaluated for specific cases, study of its evolution during plastic deformation has not been reported. Residual stress and final material proprieties, such as corrosion behavior, have been not studied numerically or experimentally. Tool path impact and alternative geometries are not deeply explored. Particular attention is given to process experimental optimization and characterization through Design of Experiment, which is still limited to a few papers and sometimes not well developed. The results of this review will help define a research agenda for future developments.
Original languageEnglish
PublisherTRANS TECH PUBLICATIONS LTD
Number of pages9
ISBN (Print)9783038354710
DOIs
Publication statusPublished - 10 Jul 2015

Keywords

  • design of experiments
  • flow forming
  • process modeling
  • review
  • spinning

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