Mg-Li-V alloy with combustion resistance and machining process thereof
An alloy, magnesium-lithium alloy technology, applied in the field of alloys, can solve the problems of limiting the industrial application of magnesium alloys, failing to meet the requirements of combustion resistance, damaging the mechanical properties of magnesium alloys, etc. The effect of reducing the content and reducing the amount of use
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Embodiment 1
[0019] A Mg-Li-V magnesium-lithium alloy with combustion resistance when smelted at 700 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 10.3wt.%, V: 2.8wt.%, Ca: 2.1wt.%, Sr: 3.9wt.%, Si: 1.4wt.%, Tb:0.2wt .%, Nd: 0.1wt.%, Yb: 0.2wt.%, B: 1.2wt.%, and the balance is magnesium. The preparation method of the alloy: add the above-mentioned raw materials into the induction furnace under the atmospheric environment, and use a silicon carbide crucible. Induction heating to 700 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is poured into a water glass mold at 700 degrees for 10 minutes for casting. The ingot was deformed at room temperature, and the rolling reduction in each pass was 16%. Every 3 passes of rolling requires an intermediate heat treatment to eliminate work hardening, the process is: 250 degrees, 2.6 hours; the final heat treatment process after rolling ...
Embodiment 2
[0021]A Mg-Li-V magnesium-lithium alloy with combustion resistance when smelted at 750 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 13.6wt.%, V: 5.2wt.%, Ca: 2.1wt.%, Sr: 3.5wt.%, Si: 1.7wt.%, Tb: 0.2wt .%, Nd: 0.1wt.%, Yb: 0.2wt.%, B: 1.4wt.%, and the balance is magnesium. The preparation method of the alloy: add the above-mentioned raw materials into the induction furnace under the atmospheric environment, and use a silicon carbide crucible. Induction heating to 750 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is poured into a water glass mold at 750°C for 10 minutes for casting. The ingot was subjected to deformation treatment at room temperature, and the rolling reduction in each pass was 19%. Every 3 passes of rolling requires an intermediate heat treatment to eliminate work hardening, the process is: 250 degrees, 2.6 hours; the final heat treatment pr...
Embodiment 3
[0023] A Mg-Li-V magnesium-lithium alloy with combustion resistance when smelting at 730 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 6.9wt.%, V: 3.8wt.%, Ca: 2.4wt.%, Sr: 3.7wt.%, Si: 1.6wt.%, Tb:0.3wt .%, Nd: 0.2wt.%, Yb: 0.2wt.%, B: 1.6wt.%, and the balance is magnesium. The preparation method of the alloy: add the above-mentioned raw materials into the induction furnace under the atmospheric environment, and use a silicon carbide crucible. Induction heating to 730 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is poured into a water glass mold at 730 degrees for 10 minutes for casting. The ingot was subjected to deformation treatment at room temperature, and the rolling reduction in each pass was 19%. Every 3 passes of rolling requires an intermediate heat treatment to eliminate work hardening, the process is: 250 degrees, 2.6 hours; the final heat treatm...
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