*o
52
t
0 S Os 0*0 S Os o
 jfo*Os m xos
0*.Z*os'XSO
O  o#o r O  o % o 
/o*oyo40i o>o
  ^ o'^o  O o'#
V V  v
  O *sO # o ^0,o # O
VO soA\o\X0 *
 v,*x VO v,^ *p
Vo,*  vO vA* *p 
#o*0*o#*0*o
B
002
B A
ffl 
b.
Figure 2.20 The Pt2Mo phase;
a.) Pt2Mo variants along FCC axes.
A and B can exist along each axis.
b.) B = [100] SADP with variants.