An iron-carbon alloy gear is being hardened by

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An iron-carbon alloy gear is being hardened by carburization at 1000 oC. Calculate the time in hours necessary to increase the carbon content to 0.45 wt% at 2 mm below the surface. Assume that the carbon content at the surface is maintained at 1.30 wt% and the iron-carbon alloy initially contains 0.20 wt% carbon.

Reference no: EM13613083

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