Springback suppression of AZ31 magnesium alloy sheet in draw bending at elevated temperature

Takashi Katahira, Takeshi Uemori, Tetsuya Yoshida, Michihiro Takiguchi, Tetsuo Naka, Komgrit Lawanwong, Fusahito Yoshida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In recent years, warm forming of magnesium sheets has been investigated by many researchers since the ductility of the sheets becomes considerably higher due to low CRSS (critical resolved shear stress) at high temperatures (e.g., [1]-[3]). In the present research, the springback of AZ31 magnesium sheet was investigated by performing a draw-bending experiment at several temperatures from 20 °C (room temperature) to 200 °C at drawing speeds ranging from 0.01 to 1.0 mm/s. From the experiment, it was found that the springback was remarkably reduced at 200 °C, especially at a low forming speed, since the flow stress was very low under such a forming condition, and furthermore, the stress relaxation effect was dominant. The effects of temperature and forming speed on springback were discussed.

Original languageEnglish
Title of host publicationAdvances in Engineering Plasticity and its Application IX
EditorsJeong Whan Yoon, Young-Suk Kim, Heung Nam Han, Beom Soo Kang
PublisherTrans Tech Publications Ltd
Pages127-132
Number of pages6
ISBN (Print)9783035713626
DOIs
Publication statusPublished - Jan 1 2019
Event14th Asia-Pacific Symposium on Engineering Plasticity and its Applications, AEPA 2018 - Seogwipo-si, Korea, Republic of
Duration: Dec 2 2018Dec 7 2018

Publication series

NameKey Engineering Materials
Volume794 KEM
ISSN (Print)1013-9826

Conference

Conference14th Asia-Pacific Symposium on Engineering Plasticity and its Applications, AEPA 2018
CountryKorea, Republic of
CitySeogwipo-si
Period12/2/1812/7/18

    Fingerprint

Keywords

  • AZ31 magnesium sheet
  • Draw bending
  • Springback
  • Warm forming

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Katahira, T., Uemori, T., Yoshida, T., Takiguchi, M., Naka, T., Lawanwong, K., & Yoshida, F. (2019). Springback suppression of AZ31 magnesium alloy sheet in draw bending at elevated temperature. In J. W. Yoon, Y-S. Kim, H. N. Han, & B. S. Kang (Eds.), Advances in Engineering Plasticity and its Application IX (pp. 127-132). (Key Engineering Materials; Vol. 794 KEM). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.794.127