Properties of the Alloys of Iron and Aluminium. 15$ 



It is not proposed at this stage to enter at length into a 

 consideration of the explanation of the observed phenomena ; 

 but it is interesting to notice that the characteristic B and T 



Fiff. 19. 



26-0 

 24-0 

 22-0 

 ZOO 



180 

 160 

 14-0 



12-0 

 10-0 



80 



60 



40 

 20 

 00 



1 































H-^ 



i'l! 





















































































































B 



















\ 















H = 3 



-56 







































**•«. 



*>s 



\ 































N 



\ 





— , 











H=I 



63 















\ 



\, 











** 



f W- 



— *— 







— * — 















¥r- 





y 































* 



t X 



' l 



•xx— 















1 



















-90-80 -70-60 -50 -40 -30 -20 — 10 10 20 30 40 50 

 Fig. 20. 









/ 



/ 



/ 



















o / 





/ 

















B 





/ 



?/ 



/ 





/ 



















/ 









/ 





/ 



y 



y 



<■ 



/ 





/ 



/ 



/ 



/ 









9" 





b 







/ 





/ 









•/ 



S 





/ 





H 



2-0 



20 



2-0 



2-0 20 4-0 60 80 



curve is of the same form as that which would be given by 

 the superposition of two media of different constitution, as 

 for instance crystals in a solidified mother-liquid. That 

 this is so can easily be seen by the consideration of the following- 

 diagram. 



