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A steel sheet is exposed to a nitrogen rich atmosphere at 900C and Achieves steady-state diffusion. The diffusion coefficient for nitrogen at this temperature Is
A steel sheet is exposed to a nitrogen rich atmosphere at 900C and Achieves steady-state diffusion. The diffusion coefficient for nitrogen at this temperature Is 1.851010m2/sec and the diffusion flux is 1.0107kg/m2sec. If the initial concentration of nitrogen in the steel at the high-pressure surface is 0.5kg/m3
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