Compute and then select the value of diffusion coefficient, D, for a hypothetical material at 1227 oC, whose temperature
Posted: Fri Apr 29, 2022 12:37 pm
Compute and then select the value of diffusion coefficient, D,
for a hypothetical material at 1227 oC, whose
temperature-independent pre-exponential factor (D0) is 5×10-6 m2/s.
The activation energy for the diffusion (QD) is 150 KJ/mol and gas
constant, R, is 8.314 J/mol-K.
_____________*10-11 m2/sec
for a hypothetical material at 1227 oC, whose
temperature-independent pre-exponential factor (D0) is 5×10-6 m2/s.
The activation energy for the diffusion (QD) is 150 KJ/mol and gas
constant, R, is 8.314 J/mol-K.
_____________*10-11 m2/sec