High-strength low-temperature-resistant Pb-Li-Mn lead-lithium alloy for shielding material
A pb-li-mn, shielding material technology, applied in the field of alloys, can solve problems such as the inability to meet the requirements of combustion resistance, and achieve the effect of solving the problem of large hot cracking tendency, overcoming the difference in specific gravity, and excellent flame retardant performance.
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Embodiment 1
[0018] A high-strength and low-temperature resistant Pb-Li-Mn lead-lithium alloy for melting shielding materials at 350 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 0.9wt.%, Mn: 1.2wt.%, Se: 0.3wt.%, Cr: 0.8wt.%, Ba: 0.3wt.%, In: 0.7wt .%, and the balance is lead. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 350 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid in After standing at 350°C for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into the required square and round ingots, and the ingot moves down at a speed of 12m / min. The ingot is deformed at room temperature, and the amount of rolling in each pass is 15%; every 3 passes of rolling requires an intermediate ...
Embodiment 2
[0021]A high-strength and low-temperature resistant Pb-Li-Mn lead-lithium alloy for melting shielding materials at 370 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.4wt.%, Mn: 1.2wt.%, Se: 0.3wt.%, Cr: 1.2wt.%, Ba: 0.3wt.%, In: 0.6wt .%, and the balance is lead. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 370 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid in After standing at 370°C for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into the required square and round ingots. The ingot moves down at a speed of 10m / min. The ingot is deformed at room temperature, and the amount of rolling in each pass is 18%; every 3 passes of rolling require an intermediate heat t...
Embodiment 3
[0024] A high-strength and low-temperature resistant Pb-Li-Mn lead-lithium alloy used for melting shielding materials at 390 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.5wt.%, Mn: 1.2wt.%, Se: 0.3wt.%, Cr: 1.2wt.%, Ba: 0.3wt.%, In: 0.7wt .%, and the balance is lead. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 390 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid in After standing at 390 degrees for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into the required square and round ingots. The ingot moves down at a speed of 10m / min. The ingot is deformed at room temperature, and the amount of rolling in each pass is 18%; every 3 passes of rolling require an interme...
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