* Со x B-A 0.02% C steel is to be carburized at 1200°C in 4 h, with a point 0.6 mm beneath the surface reaching 0.45% C. Calculate the carbon content required at the surface of the steel. Do-0.23 cm² /s, Q-32900 cal/mol. CA Do Values
* Со x B-A 0.02% C steel is to be carburized at 1200°C in 4 h, with a point 0.6 mm beneath the surface reaching 0.45% C. Calculate the carbon content required at the surface of the steel. Do-0.23 cm² /s, Q-32900 cal/mol. CA Do Values
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*
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B-A 0.02% C steel is to be carburized at 1200°C in 4 h, with a point 0.6 mm beneath the surface reaching 0.45% C.
Calculate the carbon content required at the surface of the steel. Do-0.23 cm² /s, Q-32900 cal/mol.
x
CX
Do
Table 5.1
Tabulation of Error Function Values
Z
erf(z)
Z
z
erf(z)
erf(z)
THE
0.55
0
0.5633
1.3
0.9340
0-
0.025
0.0282
0.60
0.6039
1.4
0.9523
0.05
0.0564
0.9661
0.65
0.6420
1.5
0.10
0.1125
0.70
0.6778-
1.6
0.9763
0.15
0.1680
0.75
0.7112 -
1.7
0.9838
0.20
0.2227
0.80
0.7421
1.8
0.9891
0.25
0.2763
0.85
0.7707
1.9
0.9928
0.30
0.3286
0.90
0.7970
2.0
0.9953
0.35
0.3794
0.95
0.8209
2.2
0.9981
0.40
0.4284
1.0
0.8427
0.9993
0.45
0.4755
1.1
0.8802
0.9998
0.50
0.5205
1.2
0.9103
0.9999
2.4
2.6
2.8
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