Microstructure and Mechanical Properties of High Manganese Steel Processed by Cold Working and Aging at 4.2 K

Huan Jin, Yu Wu, Jinggang Qin*, Fang Liu, Huajun Liu, Houxiang Han, Qiyang Han, Min Yu, Feng Long, Bowei Tao, Hongzhu Zhao, Chao Zhou, Sheng Liu

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

High manganese steel is a promising choice as a jacket material for Nb3Sn superconducting magnet due to the low thermal expansion, high strength combined with good ductility. One kind of high manganese steel with the Mn content of about 21% was developed for reviewing the mechanical properties at 4.2 K. In this paper, the mechanical performances of the developed high Mn steel in solution annealed as well as in cold worked and aged condition were tested. Influences from cold working and aging processes on microstructure and mechanical properties were analyzed.

Original languageEnglish
Article number7800205
JournalIEEE transactions on applied superconductivity
Volume28
Issue number3
DOIs
Publication statusPublished - Apr 2018

Keywords

  • aging
  • cold working
  • High Mn steel
  • mechanical performance

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