Scale-Bridging Analysis of Stress Partitioning in High Nitrogen Steel
To understand the reason of high work hardening in high nitrogen steel, a scale-bridging analysis consisting of in situ neutron diffraction, in situ electron backscattering diffraction measurement during tensile deformation and weak beam transmission electron microscopy was performed with particular attention to stress partitioning. This study demonstrates the contribution of stress partitioning, back stress due to dislocation pile-up at grain boundaries and dislocation interaction to work hardening at each strain level.
Jian-Feng Nie and Allan Morton
M. Ojima et al., "Scale-Bridging Analysis of Stress Partitioning in High Nitrogen Steel", Materials Science Forum, Vols. 654-656, pp. 178-181, 2010