The first investigations of the system B — C  established the existence of the phase B4C (B12C3). Numerous subsequent investigations of this system [683–690] have led to the final form of the phase diagram shown in Fig. 65. In particular, the diagram confirms the existence of the carbide B12C3 with a large homogeneity range (17.6–29.5 wt.% C), the carbide B13C2, and a new phase.
KeywordsBoron Carbide Petroleum Coke Aluminum Carbide Calcium Carbide Artificial Graphite
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