Investigation of the mechanical behaviour of Ti-6Al-4V alloy under hot forming conditions: Experiment and modelling

V. Velay, H. Matsumoto, L. Sasaki, V. Vidal

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The present investigation aims at evaluating and understanding the formability of Ti-6Al-4V alloy under hot forming conditions (650 °C = T = 750 °C). To fulfil these objectives, it was necessary to establish accurate material models and predict microscopic material evolution depending on temperature and strain rate. Two kinds of microstructure were investigated, the first one considers a conventional grain size of the a-phase (3 μm) whereas a combined forging-rolling process is used to elaborate the second one and allows to obtain a very fine grain of the a-phase (0.5 μm). In this research work, we propose to investigate the capabilities of the titanium alloy under forming conditions quite different from those usually considered in superplastic forming process (lower temperatures and higher strain rates).

Original languageEnglish
Pages (from-to)847-853
Number of pages7
JournalMaterialwissenschaft und Werkstofftechnik
Volume45
Issue number9
DOIs
Publication statusPublished - 2014 Jan 1

Keywords

  • Behaviour modelling
  • Hot forming
  • Mechanical behaviour
  • Titanium alloys

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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