FCC Rolling Textures Reviewed in the Light of Quantitative Comparisons between Simulated and Experimental Textures

Krzysztof Wierzbanowski, Marcin Wroński, Torben Leffers

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The crystallographic texture of metallic materials has a very strong effect on the properties of the materials. In the present article, we look at the rolling textures of fcc metals and alloys, where the classical problem is the existence of two different types of texture, the "copper-type texture" and the "brass-type texture." The type of texture developed is determined by the stacking fault energy of the material, the rolling temperature and the strain rate of the rolling process. Recent texture simulations by the present authors provide the basis for a renewed discussion of the whole field of fcc rolling texture. We simulate the texture development with a model which allows us to vary the strength of the interaction between the grains and to vary the scheme for the calculation of the lattice rotation in the individual grains (type CL/MA or PR/PSA). For the deformation pattern we focus on {111} slip without or with deformation twinning, but we also consider slip on other slip planes and slip by partial dislocations. We consistently make quantitative comparison of the simulation results and the experimental textures by means of a scalar correlation factor. We find that the development of the copper-type texture is best simulated with {111} slip combined with type CL/PR lattice rotation and relatively strong interaction between the grains-but not with the full-constraint Taylor model and neither with the classical relaxed-constraint models. The development of the brass-type texture is best simulated with {111} slip combined with PR/PSA lattice rotation and weak interaction between the grains. The possible volume effect of deformation twins on the formation of the brass-type texture is a controversial question which we discuss on the basis of our simulations as seen together with other investigations. © 2014 Taylor and Francis Group, LLC.
Original languageEnglish
JournalCritical Reviews in Solid State and Materials Sciences
Volume39
Issue number6
Pages (from-to)391-422
ISSN1040-8436
DOIs
Publication statusPublished - 2014

Keywords

  • brass type texture
  • copper type texture
  • correlation factor
  • deformation model
  • lattice rotation
  • Brass
  • Computer simulation
  • Copper
  • Crystal lattices
  • Deformation
  • Materials properties
  • Metallurgy
  • Rolling
  • Brass type texture
  • Copper type texture
  • Correlation factors
  • Deformation modeling
  • Lattice rotations
  • Textures

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