Metallurgical Engineering > GATE 2024 > Diffusion
During carburization of a steel at 950 °C, carbon concentration is measured as 0.8 wt.% at a depth of 0.3 mm after one hour. The time required to get the same carbon concentration at a depth of 0.6 mm at the same carburization temperature is _______ hours. (Round off to the nearest integer).
Correct : 4
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