Mg-Li-Al alloy with combustion resistance and processing technology thereof
A magnesium-lithium alloy and alloy technology, applied in the field of alloys, can solve problems such as the inability to meet the requirements of combustion resistance, and achieve the effects of simple smelting and processing methods, low high-temperature strength, and low production costs
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Embodiment 1
[0017] A Mg-Li-Al magnesium-lithium alloy with combustion resistance when smelting at 720 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 11.5wt.%, Al: 1.3wt.%, Ca: 2.4wt.%, Mn: 0.2wt.%, Nb: 0.1wt.%, Pr: 0.1wt .%, B: 0.1wt.%, In: 0.7wt.%, 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 720 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 720 degrees for 10 minutes for casting. The ingots were deformed at room temperature with a rolling reduction of 11% per pass. Every 3 passes of rolling requires an intermediate heat treatment to eliminate work hardening, the process is: 240 degrees, 1.2 hours. The final heat treatment process after rolling is: vacuum soluti...
Embodiment 2
[0019]A Mg-Li-Al magnesium-lithium alloy with combustion resistance when smelting at 740 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 11.8wt.%, Al: 2.6wt.%, Ca: 5.3wt.%, Mn: 0.4wt.%, Nb: 0.2wt.%, Pr: 0.2wt .%, B: 0.2wt.%, In: 0.6wt.%, the balance is magnesium. The preparation method of the alloy: add the above-mentioned raw materials into an induction furnace under atmospheric conditions, and use a silicon carbide crucible. Induction heating to 740 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 740 degrees for 10 minutes for casting. The ingot was subjected to deformation treatment at room temperature, and the rolling reduction in each pass was 12%. Every 3 passes of rolling requires an intermediate heat treatment to eliminate work hardening, the process is: 240 degrees, 1.2 hours. The final heat treatment process after r...
Embodiment 3
[0021] A Mg-Li-Al magnesium-lithium alloy with combustion resistance when smelted at 690 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 10.6wt.%, Al: 2.6wt.%, Ca: 3.8wt.%, Mn: 0.3wt.%, Nb: 0.2wt.%, Pr: 0.2wt .%, B: 0.2wt.%, In: 0.7wt.%, 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 690 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 690 degrees for 10 minutes for casting. The ingots were deformed at room temperature with a rolling reduction of 10% in each pass. Every 3 passes of rolling requires an intermediate heat treatment to eliminate work hardening, the process is: 240 degrees, 1.2 hours. The final heat treatment process after rolling is: vacuum sol...
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