EPJ Web of Conferences 14, 02003 (2011) DOI: 10.1051/epjconf/20111402003
© Owned by the authors, published by EDP Sciences, 2011
“ Fundamentals of Thermodynamic Modelling
of Materials ”
November 15-19, 2010
INSTN – CEA Saclay, France
Organized by
Bo SUNDMAN
bo.sundman@cea.fr
Constantin MEIS
constantin.meis@cea.fr
PROFESSOR & TOPIC
Frédéric SOISSON
Service de Recherches de Métallurgie Physique, CEA Saclay
Monte Carlo
Simulation
Monte Carlo simulations
Applications to the
kinetics of phase transformations
kinetics of phase transformations
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Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
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Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
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→
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∆
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Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
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Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
Time dependence of the scaling function F (k/km)= km3S (k, t)
for Mn–33 at.% Cu at 450°C.
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=
+
∇
∂
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∂
= −
+
∂
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→
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=
−
Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
1018 -3 10-8 10-7 10-6 10-5 10-4 10-3 10-2 10-1 100 (b) (a)complete phase separation
solid solution
f tv(0)
=
−
=
Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
10-4 10-3 10-2 10-1 100 101 102 103 0 2 4 6 8 AKMC GoodmanKampmann and Wagner Mathon and Barbu Perez et al.
R (nm)
t (h)
1015
1016 1017
dp (cm-3)
(c)
0 30 60 90 120 150
10-30 10-29 10-28 10-27 10-26 10-25 10-24 10-23 10-22
10-21 600 K
Dn
(
m
2 .s -1 )
precipitate size n
0 30 60 90 120 150
10-30 10-29 10-28 10-27 10-26 10-25 10-24 10-23 10-22
10-21 600 K
Dn
(
m
2 .s -1 )
precipitate size n
0 30 60 90 120 150
10-30 10-29 10-28 10-27 10-26 10-25 10-24 10-23 10-22
10-21 600 K
Dn
(
m
2 .s -1 )
precipitate size n
•
(
)
− → → +
→ + + +
+ +
=
−
= β
− α
β = π
+
Ω
α
= β
−
σ + σ
− σ
+
Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
0.2 0.25
c
Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
0 0.05 0.1 0.15
0 1 2 3 4 5 6
r
/
a
c
Solute concentration profile
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− −d
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=
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Point defect sink
Solute concentration profile
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Fundamentals of Thermodynamic Modelling of Materials Saclay, November 15-19, 2010
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