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/molWhat is the depth (in μm) from the surface of the specimen at which a composition of 0.4 wt.% C is obtained after carburizing at 870°C for 10 h

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Priya

Priya

does anyone know the correct answer

Rashmi

Rashmi

how did the answer came

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