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UkoKoshka [18]
3 years ago
12

For a steel alloy it has been determined that a carburizing heat treatment of 7 hour duration will raise the carbon concentratio

n to 0.38 wt% at a point 3.8 mm from the surface. Estimate the time (in hours) necessary to achieve the same concentration at a 6.2 mm position for an identical steel and at the same carburizing temperature.

Engineering
1 answer:
Aliun [14]3 years ago
6 0

Answer:

18.6h

Explanation:

To solve this Duck's second law in form of Diffusion will be used.

Also note that since the temperature is constant D (change) will also be constant.

Please go through the attached files for further explanation and how the answer Is gotten.

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