A fixed amount of nickel, 5 x 1016 atoms/cm?, is deposited on the end surface of...
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A fixed amount of nickel, 5 x 1016 atoms/cm?, is deposited on the end surface of a long iron cylinder, as illustrated below. Nickel and iron are completely soluble in each other. The cylinder is heated to 1400 °C for 1 hour (= 3600 s) and then returned to room temperature. The diffusivity of nickel in iron at 1400 °C is D = 1.4 x 10-13 m/s. What is the concentration of nickel at a point 100 um (1 x 10-4 m) from the nickel-coated surface? nickel iron A fixed amount of nickel, 5 x 1016 atoms/cm?, is deposited on the end surface of a long iron cylinder, as illustrated below. Nickel and iron are completely soluble in each other. The cylinder is heated to 1400 °C for 1 hour (= 3600 s) and then returned to room temperature. The diffusivity of nickel in iron at 1400 °C is D = 1.4 x 10-13 m/s. What is the concentration of nickel at a point 100 um (1 x 10-4 m) from the nickel-coated surface? nickel iron
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