Binary Phase Diagrams of Technically Important Systems

1 Binary Phase Diagrams of Technically Important Systems 

-% (2375°C). Recent microprobe analyses by Schwetz and Karduck [50] indicated, however, that the maximum carbon content of fused boron carbide being in equilibrium with graphite is only 19.2 at.-% at the eutectic with carbon, and 18.5 at.-% at lOOO C, corresponding to the formula B4 3C. The eutectic with 

F ure 8. The B-C phase diagram (a) calculated, (b) according to Schwetz and Karduck [50], 

4 The Zr-B System and Other Transition Metai-Boron Systems 

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