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Effect of springback on wall thinning and section distortion for high strength TA18 tube in NC bending

  • Yan Wang
  • , He Yang
  • , Heng Li
  • , Mei Zhan
  • , Feifei Song
  • , Guangjun Li
  • , Xudong Xu
  • Northwestern Polytechnical University Xian
  • Chengdu Aircraft Industry (Group) Corporation Ltd.

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The influence of the springback in high strength TA18 tubes on the wall thinning and section distortion under different process parameters was investigated using ABAQUS Explicit/Standard finite element models. The results show that the wall thinning ratios after unloading-springback are less than 10% under different process parameters for high strength TA18 tubes, while the section distortion ratios after springback are more than 35%, even 60% except a few measured points. The "platform" of section distortion ratio at stable forming zone disappears after springback.

Original languageEnglish
Pages (from-to)1221-1225
Number of pages5
JournalXiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume41
Issue number7
StatePublished - Jul 2012

Keywords

  • High strength TA18 tube
  • NC bending
  • Section distortion
  • Springback
  • Wall thinning

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