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Journal of Metallurgy
Table of Contents
Special Issues
Journal of Metallurgy
/
2012
/
Article
/
Tab 3
/
Research Article
Precipitation of
Phase Using General Diffusion Equation with Comparison to Vitek Diffusion Model in Dissimilar Stainless Steels
Table 3
Diffusion coefficients of elements of the
and
phases in stainless steel.
Diffusion coefficient (cm
2
/sec)
-iron
-iron
Element
Temperature (°C)
Temperature (°C)
20
400
800
1100
1400
20
400
800
1100
1400
-Fe
10
−46
10
−19
10
−12
10
−9
10
−7
10
−53
10
−22
10
−14
10
−11
10
−9
Al
10
−11
10
−9
10
−7
10
−36
10
−15
10
−9
10
−8
B
10
−20
10
−9
10
−6
10
−5
C
10
−17
10
−8
10
−5
10
−4
10
−27
10
−13
10
−8
10
−6
Cr
10
−42
10
−18
10
−11
10
−9
10
−7
10
−37
10
−18
10
−13
10
−11
10
−9
Co
10
−44
10
−19
10
−12
10
−10
10
−68
10
−26
10
−16
10
−12
Cu
10
−11
10
−9
10
−49
10
−20
10
−12
10
−10
H
10
−5
10
−3
10
−3
10
−3
10
−10
10
−5
10
−4
10
−3
Mn
10
−53
10
−22
10
−14
10
−11
10
−9
Mo
10
−46
10
−18
10
−11
10
−9
10
−7
10
−49
10
−21
10
−13
10
−11
10
−9
N
10
−17
10
−8
10
−6
10
−5
10
−31
10
−13
10
−8
10
−7
Nb
10
−13
10
−11
10
−9
Ni
10
−45
10
−18
10
−11
10
−9
10
−54
10
−23
10
−15
10
−11
10
−9
P
10
−34
10
−12
10
−8
10
−7
10
−6
10
−14
10
−9
10
−8
S
10
−34
10
−12
10
−8
10
−7
10
−6
10
−14
10
−9
10
−8
Si
10
−50
10
−21
10
−13
10
−11
10
−7
10
−48
10
−20
10
−13
10
−12
10
−9
Ti
10
−47
10
−19
10
−12
10
−9
10
−7
10
−49
10
−21
10
−13
10
−11
10
−9
V
10
−12
10
−9
10
−7
10
−14
10
−11
10
−9
W
10
−60
10
−26
10
−17
10
−10
10
−68
10
−30
10
−20
10
−16