Magnesium alloy rare earth compound flux and its production method
A technology of rare earth compounds and magnesium alloys, which is applied in the field of metal materials and metallurgy, can solve the problems of low mechanical properties and corrosion resistance of magnesium alloys, poor separation between flux and magnesium alloys, and inability to produce active rare earth elements, so as to improve mechanical properties. Performance and anti-corrosion performance, improvement of refining effect, strong activity effect
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Embodiment 1
[0011] Magnesium alloy rare earth compound flux composition (mass percentage): 40% magnesium chloride (MgCl 2 ), 25% potassium chloride (KCl), 12% sodium chloride (NaCl), 6% calcium chloride (CaCl 2 ), 5% calcium fluoride (CaF 2 ), 4% barium chloride (BaCl 2 ), 8% lanthanum fluoride (LaF 3 ).
[0012] The production method of the magnesium alloy rare earth compound flux is as follows: after the crucible is heated to about 350°C, magnesium chloride, potassium chloride, sodium chloride, calcium chloride and barium chloride are added, and after the temperature is raised to partial melting, calcium fluoride is added, Raise the temperature to about 770°C, stir evenly, and cast into blocks. After crushing, put it into a ball mill and grind it into powder, and sieve it with a No. 20 sieve. Lanthanum fluoride was then added and mixed with a ball mill. Prepared flux should be put into airtight container for standby.
[0013] When in use, when the magnesium alloy is smelted in th...
Embodiment 2
[0015] Magnesium alloy rare earth compound flux composition (mass percentage): 55% magnesium chloride (MgCl 2 ), 15% potassium chloride (KCl), 13% sodium chloride (NaCl), 4% calcium chloride (CaCl 2 ), 9% calcium fluoride (CaF 2 ), 1% barium chloride (BaCl 2 ), 3% cerium fluoride (CeF 3 ).
[0016] The production method of the magnesium alloy rare earth compound flux is as follows: after the crucible is heated to about 400°C, magnesium chloride, potassium chloride, sodium chloride, calcium chloride and barium chloride are added, and after the temperature is raised to partial melting, calcium fluoride is added. Raise the temperature to about 760°C, stir evenly, and cast into blocks. After crushing, put it into a ball mill and grind it into powder, and sieve it with a No. 30 sieve. Then cerium fluoride was added and mixed with a ball mill. Prepared flux should be put into airtight container for standby.
[0017] When in use, when the magnesium alloy is smelted in the resi...
Embodiment 3
[0019] Magnesium alloy rare earth compound flux composition (mass percentage): 40% magnesium chloride (MgCl 2 ), 15% potassium chloride (KCl), 23% sodium chloride (NaCl), 1% calcium chloride (CaCl 2 ), 11% calcium fluoride (CaF 2 ), 6% barium chloride (BaCl 2 ), 4% lanthanum chloride.
[0020] The production method of the magnesium alloy rare earth compound flux is as follows: after the crucible is heated to about 300°C, magnesium chloride, potassium chloride, sodium chloride, calcium chloride and barium chloride are added, and after the temperature is raised to partial melting, calcium fluoride is added. Raise the temperature to about 780°C, stir evenly, and cast into blocks. After crushing, put it into a ball mill and grind it into powder, and sieve it with a No. 40 sieve. Lanthanum chloride was then added and mixed with a ball mill. Prepared flux should be put into airtight container for standby.
[0021] When in use, when the magnesium alloy is smelted in the resista...
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