During AlB (3% to 10%) production there is a need to get control over getting AlB2 phase more than 90% for better conductivity in Al alloy. Can we get control over the AlB2 phase to be present more than 90% by limiting the B up to 3 or 4%? Is there is a relation of increasing B beyond 4% and getting AlB12 phase in the majority? which is less efficient in removing tramp elements Ti, V, Cr and Zr in Al conducting alloy.
At first sight I would say that it should be better to remove Zr. In binary diagrams (Zr-B), there is an intermetallic at a low rate of Zr. That means that a part of B will be taken by Zr, and a lower part will be available for AlB2.
I'm not sure about this, maybe someone else can add his advice on it.
Regards.
Lucie Steimer thanks for the reply, but my question is how to get more than 90% of AlB2 phase in AlB (3% to 10%) master alloy for effective removal of impurities (V, Cr, Ti, Zr) from Al conducting alloy for improvement in the conductivity
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