Method of producing aluminium zirconium alloy by hydrolysis
An aluminum-zirconium alloy and electrolyte technology, applied in the field of electrolytic production of aluminum-zirconium alloy, can solve the problems of complex production process of pure metal zirconium, low metal yield, easy segregation of alloy components, etc. The effect of high metal yield
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Embodiment 1
[0013] Controlling the weight percent composition of the electrolyte molten cryolite system is calcium fluoride CaF 2 : 2%, magnesium fluoride MgF 2 : 4%, aluminum oxide Al 2 o 3 : 7%, Zirconia ZrO 2 : 1%, the balance is cryolite; the electrolysis temperature is 950°C; the working voltage of the electrolytic cell is 4.0V; the electrode distance is 4.0cm; the molecular ratio of cryolite is 2.4. During electrolysis, the weight percent of the electrolytic raw materials continuously added is composed of: zirconia ZrO 2 : 1.5%, the others are alumina Al 2 o 3 and unavoidable impurities, of which: ignition loss 2 o 3 2 <0.2%, the sum of other impurities <0.2%.
[0014] The weight percent chemical composition of the produced aluminum-zirconium alloy is: zirconium 1.5%, the rest is aluminum and unavoidable impurities, wherein iron Fe<0.15%, silicon Si<0.12%, and other impurities are trace.
Embodiment 2
[0016] Control the weight percent composition of the electrolyte molten cryolite system as alumina Al 2 o 3 : 1.5%, Zirconia ZrO 2 : 2%, the balance is cryolite: the electrolysis temperature is 980°C, the working voltage of the electrolytic cell is 6.5V, the electrode distance is 6.0cm; the molecular ratio of cryolite is 3. During electrolysis, the weight percent of the electrolytic raw materials continuously added is composed of: zirconia ZrO 2 3%, the others are alumina Al 2 o 3 and unavoidable impurities, of which ignition loss 2 o 3 2 <0.2%, the sum of other impurities <0.2%.
[0017] The weight percent chemical composition of the produced aluminum-zirconium alloy is: 3% zirconium, the rest is aluminum and unavoidable impurities, wherein: iron Fe < 0.15%, silicon Si < 0.12%, and other impurities in small amounts.
Embodiment 3
[0019] Control the weight percent composition of the electrolyte molten cryolite system as alumina Al 2 o 3 : 9%, Zirconia ZrO 2 : 0.5%, lithium fluoride 5%, the balance is cryolite: the electrolysis temperature is 930°C, the working voltage of the electrolytic cell is 3.0v, the electrode distance is 2.5cm; the molecular ratio of cryolite is 2.6. During electrolysis, the weight percent of the electrolytic raw materials continuously added is composed of: zirconia ZrO 2 0.1%, the others are aluminum oxide Al 2 o 3 and unavoidable impurities, of which ignition loss 2 o 3 2 <0.2%, the sum of other impurities <0.2%.
[0020] The weight percent chemical composition of the produced aluminum-zirconium alloy is: zirconium 0.1%, the rest is aluminum and unavoidable impurities, wherein: iron Fe < 0.15%, silicon Si < 0.12%, and other impurities in small amounts.
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