48 Rankin and Wright — Ternary System CaO-Al^0 3 -/Si0 2 . 



Table XVIII. 



Melting temperatures of the binary system 2CaO.Al 2 3 .Si0 2 -3Ca0.5Al 2 3 . 



Component tjw«„«„ Component 



2CaO.Al 2 3 .Si0 2 -hectic 3Ca0.5Al 2 3 



CaO 40*83 38 35 34'3 24'78 



Composition A1 Q 37 . 19 44 50 . g ^'1 75'22 



Wt. per cent ^ ^ ^ ^ ^ ^ 



"r'tnre 159 ° 1583 ^52 1570 1720 



Table XIX. 

 Melting temperatures of the binary system 20aO.SiO 2 -5CaO.3Al 6 O 3 . 



Component ™ , ,. Component 



2CaO.Si0 2 Eutectic 5Ca0.3Al 2 3 



CaO 65 54-5 51'3 49'3 47*78 



Composition AJ Q Q . 32 . 41<g ^ g2 . 22 



Wt. per cent ^ ^ ^ ^ ^ ^ 



topeTature 213 ° 1575 1350 1432 1455 



Table XX. 

 Melting temperatures of the binary system CaSi0 3 -CaO.Al 2 3 . 





Component 

 CaSi0 3 





Eutectic 



Composition 

 Wt. per cent 



CaO 



A1 2 3 



Si0 2 



48*2 48-0 



0-0 2-0 



51-8 50-0 



47-0 



6-3 



46-7 



46-3 45-7 

 10- 13*2 

 437 41-1 



44-3 43-0 

 20' 26*2 

 35*7 30-8 



Melting 

 temperature 





1540 1522 



1472 



1405 1316 



1477 1549 







Table XX 



(Continued) 









Compound 

 2CaO.Al 2 3 .Si0 2 



Eutectic 



Component 

 CaO.Al 2 3 







41 40 83 

 36 37-19 

 23 21-98 



39-2 

 46- 



14-8 



37-8 



52-9 



9-3 



36-7 35-44 



58-1 64-56 



52 0-0 







1586 1590 



157S 



! 1512 



1549 1600 



