Question: Determine the maximum allowable temperature that will produce a flux of less than 2000 H atoms/(cm2s) through a BCC iron foil when the concentration gradient

Determine the maximum allowable temperature that will produce a flux of less than 2000 H atoms/(cm2·s) through a BCC iron foil when the concentration gradient is -5 × 1016 atoms/(cm3 · cm). (Note the negative sign for the flux?)

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