Coupled effects of the lattice rotation definition, twinning and interaction strength on the FCC rolling texture evolution using the viscoplastic φ-model

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

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Prediction of the rolling texture evolution in FCC metals is controlled by interaction laws, deformation mechanisms and definition of the lattice spin. The coupled effect of these three factors on the FCC rolling texture evolution is hereby analyzed using the viscoplastic φ-model. Without the Eshelby theory, this model yields an interaction law spanning predicted results from the upper to lower bound ones by varying a scalar weight parameter φ (0<φ<1). In this work, two definitions of the lattice spin, the mathematical analysis (MA) and the plane-strain analysis (PSA), are considered in the φ-model. The influence of the MA and PSA definitions on the FCC rolling texture evolution is deeply analyzed in conjunction with twinning and grain interaction strength, from a stiff to a more compliant interaction.

Original languageEnglish
Pages (from-to)23-36
Number of pages14
JournalInternational Journal of Plasticity
Volume46
DOIs
Publication statusPublished - Jul 2013
Externally publishedYes

Fingerprint

Twinning
Crystal lattices
Textures
Metals

Keywords

  • φ-Model
  • Brass-type texture
  • Copper-type texture
  • Lattice rotation definitions
  • Twinning

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

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AU - Ahzi, Said

AU - Gracio, J. J.

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AB - Prediction of the rolling texture evolution in FCC metals is controlled by interaction laws, deformation mechanisms and definition of the lattice spin. The coupled effect of these three factors on the FCC rolling texture evolution is hereby analyzed using the viscoplastic φ-model. Without the Eshelby theory, this model yields an interaction law spanning predicted results from the upper to lower bound ones by varying a scalar weight parameter φ (0<φ<1). In this work, two definitions of the lattice spin, the mathematical analysis (MA) and the plane-strain analysis (PSA), are considered in the φ-model. The influence of the MA and PSA definitions on the FCC rolling texture evolution is deeply analyzed in conjunction with twinning and grain interaction strength, from a stiff to a more compliant interaction.

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