Analysis of texture evolution in hcp polycrystals using a viscoplastic intermediate approach

S. M'Guil, Said Ahzi, J. J. Gracio

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this work, we propose the used of the new viscoplastic Φ{phonetic} -model to predict texture evolution in hcp metals. We will compare our results to those predicted by the viscoplastic self-consistent (VPSC) model. In both approaches, elasticity is neglected and crystallographic shearing is the only mechanism assumed to cause plastic deformation. Axisymmetric compression test is performed for different values of the parameters controlling the grain interaction strength for both approaches. Predicted stress-strain curves, texture evolution and slip activity are compared and conclusions are drawn. We show that the Φ{phonetic} -model allows for correct prediction while it is much easier to formulate and to numerically implement.

Original languageEnglish
Pages (from-to)57-60
Number of pages4
JournalInternational Journal of Material Forming
Volume2
Issue numberSUPPL. 1
DOIs
Publication statusPublished - Dec 2009
Externally publishedYes

    Fingerprint

Keywords

  • Φ{phonetic}-model
  • Crystal plasticity
  • Hexagonal materials
  • Self-Consistent model
  • Texture

ASJC Scopus subject areas

  • Materials Science(all)

Cite this