A steel specimen containing 0.2 wt.% C is carburized in an atmosphere that maintains a carbon content of 1.2 wt.% C at the surface of the specimen. Given For carbon diffusion in austenite: D0=2.0×10-5 m2/s Activation energy for diffusion, Q=142 kJ/molHow long (in h) will it take to double the depth at which 0.4 wt.% C is reached

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Andy

Andy

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Andy

Andy

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