FE	Finite element
MJC	Modified Johnson–Cook
BLV	Ballistic limit velocity
SRB	Smooth round bar
NRB	Notch round bar
UTM	Universal testing machine
DIC	Digital image correlation
SHPB	Split Hopkinson pressure bar
GL	Gauge length
PEEQ	Equivalent plastic strain
F	Force
U	Displacement
Ud	Diameter reduction
u f	Fracture displacement
${\epsilon }_{\mathrm{f}}$	Fracture strain
$A_0$	Initial cross-sectional area
$d_0$	Initial diameter
$d_f$	Fracture diameter
Ψ	Reduction of area
$\sigma$	True stress
${\sigma }_{\mathrm{u}}$	Ultimate tensile strength
${\sigma }_{\mathrm{e}}$	Engineering stress
${\epsilon }_{\mathrm{e}}$	Engineering strain
t	Time
$C_0$	Elastic wave velocity
${\epsilon }_i$	Strain caused by the incident wave
${\epsilon }_r$	Strain caused by the reflected wave
${\epsilon }_t$	Strain caused by the transmitted wave
${\epsilon }_{\mathrm{eq}}$	Equivalent plastic strain
${\dot{\epsilon }}_{\mathrm{eq}}^{\ast }$	Dimensionless strain rate
$\dot{\epsilon }$	Strain rate
T*	Dimensionless temperature
E	Modulus of elasticity
ν	Poisson’s ratio
ρ	Density
A	Yield stress
α	Strain hardening parameter
B	Strain hardening parameter
n	Strain hardening parameter
Q	Strain hardening parameter
$C_1$	Strain hardening parameter
$e_0$	Strain hardening parameter
$C_1$	Strain hardening parameter
$C_2$	Strain hardening parameter
C	Strain hardening parameter
${\dot{\epsilon }}_0$	Reference strain rate
p	Thermal softening coefficients
m	Thermal softening coefficients
$T_0$ (K)	Room temperature
$T_m$ (K)	Melting temperature
$C_p$ (J/kg K)	Specific heat
$\eta$	Stress triaxiality
${\overline{\eta }}_{\mathrm{av}}$	Average stress triaxiality
$D_1-D_5$	Parameters of the MJC fracture criterion
$V_0$	Initial velocity
$V_r$	Residual velocity
$V_{bl}$	Ballistic limit velocity