$  Mobility Database for fcc Fe-Co, Fe-Al
$  Part of the NIST Ni Mobility database for Ni-basesuperalloys
$   Reference:Campbell CE, Zhao JC, Henry MF. Comparison of experimental 
$            and simulated multicomponent Ni-base superalloy diffusion couples.
$            J. Phase Equil. Dif. 2004;25:6.
$
$
$ 
$ Current database only valid for Ni-rich alloys.
$ C. Campbell  
$ NIST/Metallurgy Division Gaithersburg, MD 20899
$ NIST assumes no responsibility whatsoever for the use of the programs and
$ databases by other parties, and makes no guarantees,
$ expressed or implied, about their quality, reliability, or any other
$ characteristic. We would appreciate acknowledgement if the database is used.


 ELEMENT VA   VACUUM                    0.0000E+00  0.0000E+00  0.0000E+00!
 ELEMENT AL   FCC_A1                    2.6982E+01  4.5773E+03  2.8321E+01!
 ELEMENT CO   HCP_A3			5.8933E+01  4.7656E+03  3.0040E+01 !
 ELEMENT FE   BCC_A2			5.5847E+01  4.4890E+03  2.7280E+01 !

 TYPE_DEFINITION % SEQ *!
 DEFINE_SYSTEM_DEFAULT SPECIE 2 !
 DEFAULT_COMMAND DEF_SYS_ELEMENT VA !
 

 DATABASE_INFO  NIST-NiMob database is for Ni-rich fcc alloys.  
    Last update 2004. Please send questions/comments to cecamp@nist.gov.
 
 !

 PHASE LIQUID:L %  1  1.0  !
    CONSTITUENT LIQUID:L :AL,CO,FE :  !



 TYPE_DEFINITION ( GES A_P_D FCC_A1 MAGNETIC  -3.0    2.80000E-01 !
 PHASE FCC_A1  %(  2 1   1 !
    CONSTITUENT FCC_A1  :AL,CO,FE  : VA :  !


ZEROVOLUME_SPECIES VA !



PARA VS(liquid) 0 1.0e-5; 3.00E+3 N !
PARA VS(FCC_A1) 0 1.0e-5; 3.00E+3 N !

$$$$$  Mobility of Al $$$$$$$$$$$$ 


  PARAMETER MQ(FCC_A1&AL,AL:VA;0) 298.15 -142000+R*T*LN(1.71e-4); 6.00E+3 N 
	REF200 !
  PARAMETER MQ(FCC_A1&Al,CO:VA;0) 298.15 -284000+R*T*LN(7.5e-4);  6.000E+3 N !  
  PARAMETER MQ(FCC_A1&AL,FE:VA;0) 298.15 -286000+R*T*LN(7.0e-5) ; 6.00E+3 N
      REF260 ! 
   
$$$$$  Mobility of Co $$$$$$$$$$$$ 
         
      PARAMETER MQ(FCC_A1&CO,AL:VA;0) 298.15 -261700+R*T*LN(0.64); 6.000E+3 N !

$$  Assume Co diffuses in Al as it does in CR  $$
  
  PARAMETER MQ(FCC_A1&CO,CO:VA;0) 298.15 -286175-75.98*T; 6.00E+3 N REF250 !
  PARAMETER MQ(FCC_A1&CO,FE:VA;0) 298.15 -2.881E+5+R*T*LN(7.027E-5); 6.000E+3 
      N REF260  !
  PARAMETER MQ(FCC_A1&CO,CO,FE:VA;0) 298.15 1.208E+5-97.61*T; 6.00E+3 N REF260 !
  
  
  
$$$$$$$$$$$$$$$$ Mobility of Fe $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
   
   PARAMETER MQ(FCC_A1&FE,AL:VA;0) 298.15 -168760+R*T*LN(4.795E-4);  
           6.00E+3 N REF260 !
   PARAMETER MQ(FCC_A1&FE,CO:VA;0) 298.15 -2.510E+5+R*T*LN(1.21E-05);  
           6.000E+3 N REF260 !
   PARAMETER MQ(FCC_A1&FE,CR:VA;0) 298.15 -235000-82.0*T; 6.00E+3 
	N REF230 !
   PARAMETER MQ(FCC_A1&FE,FE:VA;0) 298.15 -286000+R*T*LN(7.0E-5);  
        6.00E+3   REF230 !

$$  Fe-Al   $$

    PARAMETER MQ(FCC_A1&FE,AL,FE:VA;0) 298.15 +266220+5.11*T; 
	6.00E+3 N REF260 !    
   PARAMETER MQ(FCC_A1&FE,CO,FE:VA;0) 298.15 2.081E+5-104.7*T; 6.000E+3
         N REF260 !

	LIST_OF_REFERENCES
  NUMBER  SOURCE

  REF200  'Engstrom and Agren, Z. Metallkd., vol87 (1996) p92; Ni-Cr-Al'
  REF210  'Matan, Winand, Carter, Karunaratne, Bognanoff, Reed, Acta Mat. 
	    Vol46 (1998) p4587; Ni-Al-Ti'
  REF220  'Jonsson, Internal Report, Trita-Mac 562 (1994)  
	     Royal Institute of Techn., Stockholm, Sweden; Fe,Cr,Ni-FCC' 
  REF230  'Jonsson, Z. Metallkd., vol86 (1995) p 686; Cr-Fe-Ni fcc'
  REF250 'Campbell, Boettinger, Kattner, Acta Mat. Vol50 (2002) p775;
	    Ni-Co,Ni-Hf,Ni-Mo,Ni-Ta,Ni-W,Ni-Re (fcc)'
  REF260  'Campbell,Zhao,Henry, J. Phase Equilibria and Diffusion, vol 25 (2004) 
           p.6 Co-Fe (fcc) Fe-Al (fcc)'
  REF270  'Jonsson,Z. Metallkd., vol85 (1994) p.502; C-Cr-Fe-Ni (fcc),'