High-temperature-resisting Y containing lead-lithium alloy with extremely low machining hardening rate
A work-hardening, high-temperature-resistant technology, applied in the field of alloys, can solve the problems of complex smelting and pouring equipment and processes, pollution of the environment by toxic gases, damage to the properties of alloys, etc. Effect
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Embodiment 1
[0017] A high-temperature-resistant Y-containing lead-lithium alloy smelted at 350 degrees with extremely low work hardening rate. In terms of weight percentage, the chemical composition of the alloy is: Li: 0.9wt.%, Y: 0.4wt.%, Nb: 0.3wt.%, Ge: 0.6wt.%, W: 0.4wt.%, Te: 0.2wt .%, 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 flat ingot, and the ingot moves down at a speed of 12m / min. The slab can be used as a rolling blank for pressure rolling in a subsequent process to prepare thinner lead-lithium alloy plates. The final heat treatme...
Embodiment 2
[0020] A high-temperature-resistant Y-containing lead-lithium alloy smelted at 370 degrees with extremely low work hardening rate. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.2wt.%, Y: 0.3wt.%, Nb: 0.3wt.%, Ge: 0.6wt.%, W: 0.4wt.%, Te: 0.2wt .%, 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 flat ingot, and the ingot moves down at a speed of 10m / min. The slab can be used as a rolling blank for pressure rolling in a subsequent process to prepare thinner lead-lithium alloy plates. The final heat treatme...
Embodiment 3
[0023] A high-temperature-resistant Y-containing lead-lithium alloy smelted at 390 degrees with extremely low work hardening rate. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.3wt.%, Y: 0.4wt.%, Nb: 0.3wt.%, Ge: 0.6wt.%, W: 0.4wt.%, Te: 0.2wt .%, 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 flat ingot, and the ingot moves down at a speed of 12m / min. The slab can be used as a rolling blank for pressure rolling in a subsequent process to prepare thinner lead-lithium alloy plates. The final heat t...
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