In: Mechanical Engineering
C-Fe bcc (Q= 20.900 cal/mol Do = 0,011 cm2/s ) C-Fefcc (Q= 32.900 cal/mol Do = 0,23 cm2/s ), ferror (0,0685)= 0,077, ferror(0,192) = 0,2139
faster diffusion occurs in the loosen packed BCC structure leading to the higher carbon content at point 0.05 cm below the surface