hi	Initial shape height (mm)
hf	Final shape height (mm)
Di	Initial relative density
Df	Final relative density
$\overrightarrow{J}$	Electric current density (A/m2)
$\overrightarrow{E}$	Electric field (V/m)
J	Electric current density norm (A/m2)
E	Electric field norm (V/m)
${\sigma }_{elec}$	Electric conductivity (S/m)
$\rho$	Density (kg/m3)
$C_p$	Heat capacity (J/(kg·K))
T	Temperature (K)
$\kappa$	Thermal conductivity (W/(m·K))
$\underset{\_}{\sigma }$	Stress tensor (N/m2)
${\sigma }_{eq}$	Equivalent stress (N/m2)
$\underset{\_}{\dot{\epsilon }}$	Strain rate tensor (s−1)
${\dot{\epsilon }}_{eq}$	Equivalent strain rate (s−1)
$tr\left(\underset{\_}{\dot{\epsilon }}\right)$	Trace of the strain rate tensor (s−1)
$\phi$	Shear modulus
$\psi$	Bulk modulus
Pl	Sintering stress (N/m2)
$𝕚$	Identity tensor
θ	Porosity
$\dot{\theta }$	Porosity rate (s−1)
$\alpha$	Surface energy (J/m2)
$r$	Grain radius (m)
$\dot{e}$	First strain rate tensor invariant (s−1)
$\dot{\gamma }$	Second deviatoric strain rate tensor invariant (s−1)
n	Power law creep stress exponent
$A$	Power law creep material deformability (Pa−n·s−1)
$A_0$	Power law creep material deformability preexponential constant (Pa−n·s−1)
R	Gas constant 8.314 J/(mol·K)
Q	Power law creep material deformability activation energy (J/mol)
${\phi }_{conv}$	Convective heat flux (W/m2)
$h_{conv}$	Convective heat flux coefficient (W/(m2·K))
$T_{water}$	Water temperature (300 K)
$T_{solid}$	Calculated solid temperature (K)
$J_{rad}$	Surface radiosity (W/m2)
${\sigma }_s$	Stefan Boltzmann constant (5.67 × 10−8 W·m−2 K−4)
$\mathsf{ϵ}$	Emissivity
G	Thermal irradiation flux (W/m2)
Nr	Refractive index
$e_b\left(T\right)$	Surface radiation produced (W/m2)
$refl$	Reflected radiative heat flux (W/m2)
${\phi }_{rss}$	Net inward radiative heat flux (W/m2)
$\overrightarrow{n}$	Normal unit vector
$J_n$	Imposed normal electric current density (A/m2)
$J_c$	Contact current density (A/m2)
ECR	Electric surface contact resistance (Ω·m2)
Ui	Contact i face electric potential (V)
${\dot{q}}_c$	Contact heat flux (W/m2)
TCR	Thermal surface contact resistance (m2·K/W)
Ti	Contact i face temperature (K)
$\overrightarrow{u}$	Displacement vector (m)
$p$	External applied pressure (Pa)
${\sigma }_{elec Porous}$	Electric conductivity for the porous phase (S/m)
${\sigma }_{elec Dense}$	Electric conductivity for the dense phase (S/m)
${\kappa }_{elec Porous}$	Thermal conductivity for the porous phase (W/(m·K))
${\kappa }_{elec Dense}$	Thermal conductivity for the dense phase (W/(m·K))
${\rho }_{elec Porous}$	Density for the porous phase (kg/m3)
${\rho }_{elec Dense}$	Density for the dense phase (kg/m3)
$C_{P Porous}$	Heat capacity for the porous phase (J/(kg·K))
$C_{P Dense}$	Heat capacity for the dense phase (J/(kg·K))