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Unformatted text preview: ~ (8.314J ImoIK)(873kÂ») = ~.93x 10-17 m2 I S ~ At 1000Â°C 1010 Steel (0.1 wt%C) is 'Y-Fe (FCC) and the diffusivity ofC in "'(-Fe at 1 OOOÂ°c is: : 3xlO-7 cm2/s D600"C =(1.37x10-Sm2/s)exp(- 195x1 * 4. D = 0.21exp (-34000) (1.987*1273)-~~--,-(0.8 0.1) ~ We need to estimate the time required to produce a concentration of 0.4 wt % C at 2mm depth....
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This note was uploaded on 01/22/2012 for the course ME 2733 taught by Professor Meng during the Fall '10 term at LSU.
- Fall '10