Compute diffusion coefficients for the interdiffusion of carbon in both $($a$)$ a$-$iron $($BCC$)$ and $($b$)$ y$-$iron $($FCC$)$ at $950^$C$.$ Assume that D$\_0$ for the interdiffusion of carbon in airon and in $\backslash$gamma $-$iron are $1\mathrm{.}1\backslash$times $10^-6$ and $2\mathrm{.}3\backslash$times $10^-5$ m$^2/$ s$,$ respectively, and that Q$\_$d are $80$ and $148$ kJ $/$ mol, respectively.

Compute diffusion coefficients for the interdiffusion of carbon in both $($a$)$ a$-$iron $($BCC$)$ and $($b$)-$iron $($FCC$)$ at $950C.$ Assume that $D_0$ for the interdiffusion of carbon in airon and in $-$iron are $1\mathrm{.}1{10}^{-6}$ and $2\mathrm{.}3{10}^{-5}\frac{m^2}{s},$ respectively, and that $Q_d$ are $80$ and $148k\frac{J}{m}ol,$ respectively.

$($a$)$

$\frac{m^2}{s}$

$($b$)$

$\frac{m^2}{s}$