Carbon is allowed to diffuse through a steel plate 15 mm thick. The concentrations of car- bon at the two faces are 0.65 and 0.30 kg C/m³ Fe, which are maintained constant. If the pre- exponential and activation energy are 6.2 x 10-7 m/s and 80,000 J/mol, respectively, com- pute the temperature at which the diffusion flux is 1.43 × 10-9 kg/m² - s. S.
Carbon is allowed to diffuse through a steel plate 15 mm thick. The concentrations of car- bon at the two faces are 0.65 and 0.30 kg C/m³ Fe, which are maintained constant. If the pre- exponential and activation energy are 6.2 x 10-7 m/s and 80,000 J/mol, respectively, com- pute the temperature at which the diffusion flux is 1.43 × 10-9 kg/m² - s. S.
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter22: Surfaces
Section: Chapter Questions
Problem 22.46E: Early attempts to coat metals with Teflon, poly tetrafluoroethylene, resulted in a polymer layer...
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