Experimental Investigation of Precursor Decay in Shock‐Compressed Mild Steel by the VISAR Interferometry Technique

Dynamic Discrete Dislocation Plasticity

“…However, Gumbsch (2004, 2005) fundamentally clarify the form of the dissipative forces when inertial effects are present. Other MD simulations, such as those by Wang, He, and Wang (2010), also show that phonon viscosity is a major dissipative mechanism at high speeds. Thus, these models serve to clarify the effect of lattice-based dissipative mechanisms, showing the relative importance of phonon scattering and other mechanisms such as thermoelastic and anharmonic effects that can, in principle, be captured by MD models.…”

Phase change in 080M40 plain carbon steel

“…The PDV data for the same experiments is not subject to this electrical feature and a plateau region is observed for a period of approximately 100ns in the case of the annealed samples. Stress relaxation seen in others work [11] following the precursor was not observed, however this may be due to the low return light signals and associated noise. It is clear that the PDV data matches very closely to the gauge data.…”