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.

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