In industries titanium is hardened through diffusion of carbon. The concentration of carbon at 1mm into the surface of the titanium slab is 0.25kg/m^3 and at 3mm the concentration is 0.68kg/m^3. The rate at which the carbon is entering into its surface is 1.27*10-9kg/m^2.s. calculate the value of diffusion coefficient of carbon.
(a) 5.91*10^-12
(b) 5.91*10^-10
(c) 5.91*10^-11
(d) 5.91*10^-13
The question was asked by my school principal while I was bunking the class.
I'm obligated to ask this question of Fick’s Law-2 in chapter Modes and Diffusion of Mass Transfer