A kind of aluminum titanium molybdenum master alloy and preparation method thereof
A technology of master alloy and aluminum-titanium, which is applied in the field of aluminum-titanium-molybdenum master alloy and its preparation, can solve the problems of large reaction heat effect, etc., and achieve the effects of good alloy uniformity, uniform and stable chemical composition, and convenient use.
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Embodiment 1
[0040] Embodiment 1 of the present invention discloses a preparation method of an aluminum-titanium-molybdenum master alloy, and the adopted technical scheme is as follows:
[0041] An aluminum-titanium-molybdenum master alloy, the specific steps of its preparation method are as follows:
[0042] 1. Dry aluminum powder, molybdenum trioxide and calcium fluoride, drying temperature: 118°C, drying time: 20 hours;
[0043] 2. Raw material ratio: 78.00kg of aluminum, 75.75kg of molybdenum trioxide, and 9.23kg of calcium fluoride. Put the raw materials into the V-shaped mixer and mix them well to ensure sufficient contact between raw materials;
[0044] 3. Put the evenly mixed charge into the built-up magnesia brick crucible, ignite and react, and after cooling for 6 hours, dismantle the furnace, take out the alloy ingot, and weigh it;
[0045] 4. After removing the slag layer and oxide film on the surface of the alloy ingot, crush and finish it to 5-20mm, and obtain the aluminum-m...
Embodiment 2
[0052] Embodiment 2 of the present invention discloses a method for preparing an aluminum-titanium-molybdenum master alloy, and the adopted technical scheme is as follows:
[0053] An aluminum-titanium-molybdenum master alloy, the specific steps of its preparation method are as follows:
[0054] 1. Dry aluminum powder, molybdenum trioxide and calcium fluoride, drying temperature: 119°C, drying time: 18 hours;
[0055] 2. Raw material ratio: aluminum 76.69kg, molybdenum trioxide 79.59kg, calcium fluoride 10.94kg, put the raw materials into the V-shaped mixer, and mix them well to ensure sufficient contact between raw materials;
[0056] 3. Put the evenly mixed charge into the built-up magnesia brick crucible, ignite and react, and after cooling for 6 hours, dismantle the furnace, take out the alloy ingot, and weigh it;
[0057] 4. After removing the slag layer and oxide film on the surface of the alloy ingot, crush and finish it to 5-20mm, and obtain the aluminum-molybdenum ma...
Embodiment 3
[0064] Embodiment 3 of the present invention discloses a method for preparing an aluminum-titanium-molybdenum master alloy, and the adopted technical scheme is as follows:
[0065] An aluminum-titanium-molybdenum master alloy, the specific steps of its preparation method are as follows:
[0066] 1. Dry aluminum powder, molybdenum trioxide and calcium fluoride, drying temperature: 120°C, drying time: 16 hours;
[0067] 2. Raw material ratio: 76.10kg of aluminum, 81.96kg of molybdenum trioxide, and 12.64kg of calcium fluoride. Put the raw materials into the V-shaped mixer and mix them well to ensure sufficient contact between raw materials;
[0068] 3. Put the evenly mixed charge into the built-up magnesia brick crucible, ignite and react, and after cooling for 6 hours, dismantle the furnace, take out the alloy ingot, and weigh it;
[0069] 4. After removing the slag layer and oxide film on the surface of the alloy ingot, crush and finish it to 5-20mm, and obtain the aluminum-m...
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