Research on the surface remnant stress of pure Ti annular tube after hot processing

Wei Zhou, Lian Zhou, Zhentao Yu

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The residual stress distribution of pure titanium ring pipe were studied by XRD. The microscopic structure and the tensile fracture surface of annealed samples were investigated by using OM and SEM. The result shows that the deformation of ring pipe during hot pushing is not uniform and leads to residual stress; however the residual stress can be effective reduced by recrystallization annealing at 700°C~750°C, which can produce a small equiaxed structure and increase the tensile ductility.

Original languageEnglish
Pages (from-to)1002-1004
Number of pages3
JournalXiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume34
Issue number6
StatePublished - Jun 2005
Externally publishedYes

Keywords

  • Microscopic structure
  • Recrystallization annealing
  • Residual stress
  • Ring pipe
  • Titanium alloy

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