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PyCalphad: Al-Zn finding eutectic point with fixed phases
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$ ALZN
$
$ TDB-file for the thermodynamic assessment of the Al-ZN system
$
$-------------------------------------------------------------------------------
$ 2011.11.9
$
$ TDB file created by T.Abe, K.Hashimoto and Y.sawada
$
$ Particle Simulation and Thermodynamics Group, National Institute for
$ Materials Science. 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
$ e-mail: [email protected]
$ Copyright (C) NIMS 2009
$
$ ------------------------------------------------------------------------------
$ PARAMETERS ARE TAKEN FROM
$ Reevaluation of the Al-Zn System,
$ Sabine an Mey, Z.Metallkd., 84 (1993) 451-455.
$
$ ------------------------------------------------------------------------------
ELEMENT /- ELECTRON_GAS 0.0000E+00 0.0000E+00 0.0000E+00!
ELEMENT VA VACUUM 0.0000E+00 0.0000E+00 0.0000E+00!
ELEMENT AL FCC_A1 2.6982E+01 4.5773E+03 2.8322E+01!
ELEMENT ZN HCP_ZN 6.5390E+01 5.6568E+03 4.1631E+01!
$-------------------------------------------------------------------------------
$ FUNCTIONS FOR PURE AND OTHERS
$-------------------------------------------------------------------------------
FUNCTION GHSERAL 298.0
-7976.15+137.0715*T-24.36720*T*LN(T)-1.884662E-3*T**2-0.877664E-6*T**3
+74092*T**(-1); 700.00 Y
-11276.24+223.0269*T-38.58443*T*LN(T)+18.531982E-3*T**2-5.764227E-6*T**3
+74092*T**(-1); 933.6 Y
-11277.68+188.6620*T-31.74819*T*LN(T)-1234.26E25*T**(-9); 2900.00 N !
FUNCTION GALLIQ 298.0
+3029.403+125.2307*T-24.36720*T*LN(T)-1.884662E-3*T**2-0.877664E-6*T**3
+74092*T**(-1)+79.401E-21*T**7; 700.00 Y
-270.6860+211.1861*T-38.58443*T*LN(T)+18.53198E-3*T**2-5.764227E-6*T**3
+74092*T**(-1)+79.401E-21*T**7; 933.6 Y
-795.7090+177.4100*T-31.74819*T*LN(T); 2900.00 N !
FUNCTION GALHCP 298.0 +5481-1.8*T+GHSERAL#; 6000 N !
FUNCTION GHSERZN 298.0 -7285.787+118.4693*T-23.70131*T*LN(T)
-.001712034*T**2-1.264963E-06*T**3; 692.7 Y
-11070.60+172.3449*T-31.38*T*LN(T)+4.70657E+26*T**(-9); 1700 N !
$FUNCTION GZNLIQ 298.0 -1.285170+108.1769*T-23.70131*T*LN(T)
$ -.001712034*T**2-1.264963E-06*T**3-3.585652E-19*T**7; 692.7 Y
$ -11070.60+172.3449*T-31.38*T*LN(T)+4.70657E+26*T**(-9); 1700 N !
FUNCTION GZNLIQ 298.14 +7157.213-10.29299*T-3.5896E-19*T**7+GHSERZN#;
692.7 Y
+7450.168-10.737066*T-4.7051E+26*T**(-9)+GHSERZN#; 1700 N !
FUNCTION GZNFCC 298.15 +2969.82-1.56968*T+GHSERZN#; 1700 N !
$-------------------------------------------------------------------------------
TYPE_DEFINITION % SEQ *!
DEFINE_SYSTEM_DEFAULT ELEMENT 2 !
DEFAULT_COMMAND DEF_SYS_ELEMENT VA /- !
$-------------------------------------------------------------------------------
$ PARAMETERS FOR LIQUID PHASE
$-------------------------------------------------------------------------------
PHASE LIQUID % 1 1.0 !
CONSTITUENT LIQUID :AL,ZN : !
PARAMETER G(LIQUID,AL;0) 298.15 +GALLIQ#; 2900 N !
PARAMETER G(LIQUID,ZN;0) 298.15 +GZNLIQ#; 1700 N !
PARAMETER G(LIQUID,AL,ZN;0) 298.15 +10465.5-3.39259*T; 6000 N !
$-------------------------------------------------------------------------------
$ FUNCTIONS FOR FCC_A1
$-------------------------------------------------------------------------------
PHASE FCC_A1 % 1 1.0 !
CONSTITUENT FCC_A1 :AL,ZN : !
PARAMETER G(FCC_A1,AL;0) 298.15 +GHSERAL#; 2900 N !
PARAMETER G(FCC_A1,ZN;0) 298.15 +GZNFCC#; 1700 N !
PARAMETER G(FCC_A1,AL,ZN;0) 298.15 +7297.5+0.47512*T; 6000 N !
PARAMETER G(FCC_A1,AL,ZN;1) 298.15 +6612.9-4.5911*T; 6000 N !
PARAMETER G(FCC_A1,AL,ZN;2) 298.15 -3097.2+3.30635*T; 6000 N !
$-------------------------------------------------------------------------------
$ FUNCTIONS FOR HCP_A3
$-------------------------------------------------------------------------------
PHASE HCP_A3 % 1 1.0 !
CONSTITUENT HCP_A3 :AL,ZN : !
PARAMETER G(HCP_A3,AL;0) 298.15 +GALHCP#; 2900 N !
PARAMETER G(HCP_A3,ZN;0) 298.15 +GHSERZN#; 1700 N !
PARAMETER G(HCP_A3,AL,ZN;0) 298.15 +18821.0-8.95255*T; 6000 N !
PARAMETER G(HCP_A3,AL,ZN;3) 298.15 -702.8; 6000 N !
$
$------------------------------------------------------------------- END OF LINE
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