A 0.15% C steel is to be carburized at 1100 C, giving 0.35% C at a...

 

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A 0.15% C steel is to be carburized at 1100 C, giving 0.35% C at a distance of 1 mm beneath the surface. If the surface composition is maintained at 0.90% C, what time (in hours) is required? D= 1.85 x 107 cm/s. A 0.15% C steel is to be carburized at 1100 C, giving 0.35% C at a distance of 1 mm beneath the surface. If the surface composition is maintained at 0.90% C, what time (in hours) is required? D= 1.85 x 107 cm/s.

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To calculate the time required for carburization we can use Ficks second law of diffusion which desc... View the full answer