講演情報
[34]Hydrogen-assisted failure of nanotwinned 23Mn-0.5C twinning-induced plasticity steel processed by High-Pressure Torsion
*Mohammadi Abbas1, Edalati kaveh1, Davi Coimbrão Diego2, José Botta Walter2, Noguchi Hiroshi3 (1. WPI, International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Fukuoka 819-0395, Japan、2. Department of Materials Engineering, Federal University of São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil、3. Faculty of Engineering, Kyushu University, Fukuoka 819-0395, Japan)
キーワード：
Hydrogen embrittlement、Ultrafine-grained materials、Severe plastic deformation、Martensitic phase transformation、ASTAR orientation mapping
This study attempts to examine the mechanical properties of austenitic nanotwinned TWIP steel produced by high-pressure torsion (HPT) processing followed by annealing in a hydrogen atmosphere.