Thermophysical Properties: Diffusion coefficients in solids

System	D₀ m²/s	E_a^a kJ/kmol
Oxygen-Pyrex glass	$6.19\times {{10}^{-8}}$	$4.69\times {{10}^{4}}$
Oxygen-fused silica glass	$2.61\times {{10}^{-9}}$	$3.77\times {{10}^{4}}$
Oxygen-titanium	$5.0\times {{10}^{-3}}$	$2.13\times {{10}^{5}}$
Oxygen-titanium alloy (Ti-6Al-4V)	$5.82\times {{10}^{-2}}$	$2.59\times {{10}^{5}}$
Oxygen-zirconium	$4.68\times {{10}^{-5}}$	$7.06\times {{10}^{5}}$
Hydrogen-iron	$7.60\times {{10}^{-8}}$	$5.60\times {{10}^{3}}$
Hydrogen-α-titanium	$1.80\times {{10}^{-6}}$	$5.18\times {{10}^{4}}$
Hydrogen-β-titanium	$1.95\times {{10}^{-7}}$	$2.78\times {{10}^{4}}$
Hydrogen-zirconium	$1.09\times {{10}^{-7}}$	$4.81\times {{10}^{4}}$
Hydrogen-Zircaloy-4	$1.27\times {{10}^{-5}}$	$6.05\times {{10}^{5}}$
Deuterium-Pyrex glass	$6.19\times {{10}^{-8}}$	$4.69\times {{10}^{4}}$
Deuterium-fused silica glass	$2.61\times {{10}^{-9}}$	$3.77\times {{10}^{4}}$
Helium-Pyrex glass	$4.76\times {{10}^{-8}}$	$2.72\times {{10}^{4}}$
Helium-fused silica glass	$5.29\times {{10}^{-8}}$	$2.55\times {{10}^{4}}$
Helium-borosilicate	$1.94\times {{10}^{-8}}$	$2.34\times {{10}^{4}}$
Neon-borosilicate	$1.02\times {{10}^{-10}}$	$3.77\times {{10}^{4}}$
Carbon-FCC iron	$2.3\times {{10}^{-5}}$	$1.378\times {{10}^{5}}$
Carbon-BCC iron	$1.1\times {{10}^{-6}}$	$8.75\times {{10}^{4}}$