TABLE 1.

Constants & properties of bulk indium and lithium and the interface diffusion model constants for indium.

Constant/property & model constants	Indium	Lithium
Crystal structure	BCT	BCC
$\rho$ (g/cm3), density	7.30	0.534
$E$ (GPa), elastic modulus1	12.7	9.5
$G$ (GPa), shear modulus	3.8	4.25
$\nu$ (-), Poisson’s ratio	0.45	0.362
${\sigma }_y$ (MPa), yield stress	0.93	0.5
$T_m$ (ºC), melting temperature	156.6	180.5
$D_o$ (m2/s), pre-exponential term	3.2 $\times {10}^{-4}$	2.3 $\times {10}^{-5}$
$Q_d$ (J), activation energy for self-diffusion	78,300	55,300
$T$ (ºC), test temperature	24.4
$T_H$ (-), homologous temperature at 24.4 ºC	0.69	0.66
$D$ (m2/s), self-diffusion coefficient	5.7 $\times {10}^{-18}$	4.5 $\times {10}^{-15}$
$D_s$ (m2/s), surface diffusivity	5 $\times {10}^{-11}$	NA
$\delta$ (m), surface layer thickness	1 $\times {10}^{-9}$	NA
$\mathrm{\Omega }$ (m3/atom), atomic volume	2.6 $\times {10}^{-29}$	NA
$\gamma$ (J/m2), surface energy	1	NA
$V$ (m/s), triple point velocity	1 $\times {10}^{-8}$	NA
$H$ (J/m3), hardness	5.4 $\times {10}^7$	NA
$\omega$ (1/m), elastic relaxation length	1.2 $\times {10}^6$	NA
$k_B$ (J/(atom·K))	1.38 $\times {10}^{-23}$	NA

¹The elastic modulus of lithium is highly anisotropic.