Texture evolution and dynamic recrystallization in a beta titanium alloy during hot-rolling process

Yi Chen, Jinshan Li, Bin Tang, Hongchao Kou, Xiangyi Xue, Yuwen Cui

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

Crystallographic texture evolution in a β-Titanium alloy (Ti-15Mo-3Al-2.7Nb-0.2Si) during hot-rolling process is investigated. The results reveal that the shear strain in the surface area leads to weakening of texture intensity, that in turn gives rise to formation of significant through-thickness texture gradients. It is observed that the dynamic recrystallization (DRX), during the hot-rolling, occurs and is accompanied with the other weakening of deformation texture. The mechanism of the formation and evolution of the DRX grains, revealed by EBSD analysis, suggests that the weakening of the texture is associated with the rotation of the DRX grains towards the preferred slip systems having large misorientations between themselves.

Original languageEnglish
Pages (from-to)146-152
Number of pages7
JournalJournal of Alloys and Compounds
Volume618
DOIs
StatePublished - 5 Jan 2015

Keywords

  • Dynamic recrystallization
  • Hot-rolling
  • Inhomogeneity texture
  • β-Titanium

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