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The process of obtaining the Al–B master alloy by the aluminothermal reduction of KBF4 and B2O3 using fluoride fluxes KF–AlF3 and KF–NaF–AlF3 at 983 and 1123 К, respectively, and chloride-fluoride fluxes KCl–NaCl–KF at Т = 1173–1223 К have been studied. All experiments were carried out under the same conditions: the stirring rate of molten mixture was 400 rpm, the duration of synthesis was 30 min...
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