Melting agent for refining alloy in rare earth class and fabrication method
A rare earth compound and rare earth technology, applied in the field of metal materials and metallurgy, to achieve the effects of strong activity, strong adsorption, and strong slagging
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[0012] Example 1:
[0013] Magnesium rare earth alloy refining flux composition (mass percentage): 40% calcium chloride (CaCl 2 ), 20% potassium chloride (KCl), 10% sodium chloride (NaCl), 15% barium chloride (BaCl 2 ), 2% calcium fluoride (CaF 2 ), 3% cryolite (Na 3 AlF 6 ), 10% rare earth chloride (RECl 3 ).
[0014] The production method of the magnesium rare earth alloy refining flux is: after the crucible is heated to about 350°C, potassium chloride, sodium chloride, calcium chloride, barium chloride and cryolite are added, and after the temperature is partially melted, calcium fluoride is added , Heat up to about 770℃, stir evenly, and pour into a block. After crushing, it is loaded into a ball mill and ground into powder, and then sieved with a No. 20 sieve. After adding rare earth chloride and mixing with a ball mill. The prepared flux should be put into a closed container for later use.
[0015] When in use, when the magnesium alloy is smelted in the resistance crucible f...
Example Embodiment
[0016] Example 2:
[0017] Magnesium rare earth alloy refining flux composition (mass percentage): 20% calcium chloride (CaCl 2 ), 10% potassium chloride (KCl), 20% sodium chloride (NaCl), 25% barium chloride (BaCl 2 ), 5% calcium fluoride (CaF 2 ), 10% cryolite (Na 3 AlF 6 ), 10% rare earth fluoride (REF 3 ).
[0018] The production method of the magnesium rare earth alloy refining flux is: after the crucible is heated to about 400°C, potassium chloride, sodium chloride, calcium chloride, barium chloride and cryolite are added, and after the temperature is partially melted, calcium fluoride is added , Heat up to about 760℃, stir evenly, and pour into a block. After crushing, it is loaded into a ball mill and ground into powder, and then sieved with a No. 30 sieve. After adding rare earth fluoride and mixing with a ball mill. The prepared flux should be put into a closed container for later use.
[0019] When in use, when the magnesium alloy is smelted in the resistance crucible f...
Example Embodiment
[0020] Example 3:
[0021] Magnesium rare earth alloy refining flux composition (mass percentage): 30% calcium chloride (CaCl 2 ), 25% potassium chloride (KCl), 15% sodium chloride (NaCl), 20% barium chloride (BaCl 2 ), 4% calcium fluoride (CaF 2 ), 3% cryolite (Na 3 AlF 6 ), 3% rare earth carbonate (RE 2 (CO 3 ) 3 ).
[0022] The production method of the magnesium rare earth alloy refining flux is as follows: after the crucible is heated to about 300°C, potassium chloride, sodium chloride, calcium chloride, barium chloride and cryolite are added, and after the temperature is partially melted, calcium fluoride is added , Heat up to about 780℃, stir evenly, and pour into a block. After crushing, it is loaded into a ball mill and ground into powder, and then sieved with a No. 40 sieve. Then add rare earth carbonate and mix with a ball mill. The prepared flux should be put into a closed container for later use.
[0023] When in use, when the magnesium alloy is smelted in the resistan...
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