[IS] IS1 Advances in Materials for Hydrogen Production, Storage, and Utilization(KIM-JIMM Symposium)(2)

2:30 PM - 3:00 PM JST(5:30 AM - 6:00 AM UTC)

[IS1.21] Effect of Nb and Ti on Hydrogen Embrittlement of Tempered Martensitic Steels

*Byoungchul Hwang¹, Sang-Gyu Kim¹ (1. Seoul National University of Science and Technology)

Keywords:

Tempered Martensitic Steels,Hydrogen Embrittlement,Ti,Nb

Nb–Ti co-alloying effects on MC carbides and H traps in tempered martensitic steels were studied. RNTS tests showed that Ti in (Nb,Ti)C increases irreversible H trapping and improves RNTS.