Question: It has been determined that the steady-state diffusion flux of nitrogen through a steel plate is 1.5 10-8 kg/m.s at a temperature of 1300

It has been determined that the steady-state diffusion flux of nitrogen through

It has been determined that the steady-state diffusion flux of nitrogen through a steel plate is 1.5 10-8 kg/m.s at a temperature of 1300 K (1027C), and for a concentration gradient of -300 kg/m. What concentration gradient is necessary to give a diffusion flux of 5.0 10-8 kg/m.s at 1410 K (1137C) if the activation energy for diffusion is 124,000 J/mol? AC/Ax = i -350.11 kg/m4

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Solutions solution Steady diffusion flux is J Ddx dy 15 x 108 kgm5D 300 kgm Diffusion co... View full answer

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