Question: A steel with the BCC crystal structure containing 0.001% N is nitrided at 550 C for 5 h. If the nitrogen content at the steel

A steel with the BCC crystal structure containing 0.001% N is nitrided at 550 °C for 5 h. If the nitrogen content at the steel surface is 0.08%, determine the nitrogen content at 0.25 mm from the surface?

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