High-thermal-conductivity Co-containing lead-lithium alloy with excellent die-casting performance
A high thermal conductivity, alloy technology, applied in the field of alloys, can solve the problems of complex smelting and pouring equipment and processes, toxic gas polluting the environment, and damaging alloy properties, etc., to achieve excellent filling performance, excellent flame retardancy, and overcome poor specific gravity. Effect
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Embodiment 1
[0017] A high thermal conductivity Co-containing lead-lithium alloy with excellent die-casting properties smelted at 350 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.6wt.%, Co: 0.8wt.%, Y: 0.2wt.%, In: 0.3wt.%, Eu: 0.2wt.%, Mn: 0.5wt .%, 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 can be used as casting raw material for pressure casting in the subsequent process to prepare lead-lithium alloy castings with comp...
Embodiment 2
[0020] A high thermal conductivity Co-containing lead-lithium alloy with excellent die-casting properties smelted at 370 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.7wt.%, Co: 1.1wt.%, Y: 0.3wt.%, In: 0.4wt.%, Eu: 0.3wt.%, Mn: 0.5wt .%, 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 can be used as casting raw material for pressure casting in the subsequent process to prepare lead-lithium alloy castings with complex ...
Embodiment 3
[0023] A high thermal conductivity Co-containing lead-lithium alloy with excellent die-casting performance melted at 390 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.4wt.%, Co: 0.9wt.%, Y: 0.3wt.%, In: 0.4wt.%, Eu: 0.2wt.%, Mn: 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 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 12m / min. The ingot can be used as casting raw material for pressure casting in the subsequent process to prepare lead-lithium alloy castings with co...
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