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Phase transformation simulation of high strength steel under hot stamping process

  • Jun Jia Cui*
  • , Hai Ping Yu
  • , Chun Feng Li
  • , Cheng Xi Lei
  • , Zhong Wen Xing
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Hot stamping can virtually avoid the cracking and wrinkling of high strength steel (HSS) sheets, and is widely used in automotive industry. In this work, thermal-fluid-mechanical-phase multi-field coupling platform was established, and the effects of process parameters on microstructure distribution were analyzed. Results showed that martensitic content increased with the increase of holding time and flow speed, and 13s was the critical holding time for obtaining a fully martensitic formed part. The martensitic content of the formed part was highest at the flange, and lowest at the bottom. The simulation results were in good agreement with the experimental results.

Original languageEnglish
Pages (from-to)48-52
Number of pages5
JournalSuxing Gongcheng Xuebao/Journal of Plasticity Engineering
Volume20
Issue number1
DOIs
StatePublished - Feb 2013
Externally publishedYes

Keywords

  • High strength steel sheet
  • Hot stamping
  • Phase transformation simulation
  • Process parameters

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