Magnesium-containing high-conductivity and high-damping-capacity palladium-magnesium alloy for electric contact material
An electric contact material and high conductivity technology, which is applied in the field of alloys, can solve the problems that the anti-combustion performance cannot meet the requirements, etc., and achieve the effect of solving the problem of high thermal cracking tendency, reducing the amount of use, and increasing the yield of magnesium
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Embodiment 1
[0017] A Pd-Mg-Zn palladium-magnesium alloy for 1600-degree smelting magnesium-containing high-conductivity and high-damping electrical contact materials. In terms of weight percentage, the chemical composition of the alloy is: Mg:6.2wt.%, Zn:2.5wt.%, Ru:0.3wt.%, Os:0.2wt.%, Ge:1.4wt.%, Nb:0.4wt .%, Y: 0.3wt.%, Sc: 0.2wt.%, B: 0.6wt.%, and the balance is palladium. 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 1600 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is kept at 1600 degrees for 10 minutes and cast into the equipment at the same level as the hot top for semi-continuous casting, and the ingot moving speed is 14m / min. The ingot was subjected to deformation treatment at room temperature, and the rolling reduction in each pass was 13%. Every 3 pass...
Embodiment 2
[0019]A Pd-Mg-Zn palladium-magnesium alloy for 1620-degree smelting magnesium-containing high-conductivity and high-damping electrical contact materials. In terms of weight percentage, the chemical composition of the alloy is: Mg:6.5wt.%, Zn:2.3wt.%, Ru:0.4wt.%, Os:0.2wt.%, Ge:1.4wt.%, Nb:0.4wt .%, Y: 0.3wt.%, Sc: 0.2wt.%, B: 0.6wt.%, and the balance is palladium. 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 1620 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is kept at 1620 degrees for 10 minutes and cast into the equipment at the same level as the hot top for semi-continuous casting, and the ingot moving speed is 15m / min. The ingot was subjected to deformation treatment at room temperature, and the rolling reduction in each pass was 12%. Every 3 passe...
Embodiment 3
[0021] A Pd-Mg-Zn palladium-magnesium alloy for 1650-degree smelting magnesium-containing high-conductivity and high-damping electrical contact materials. In terms of weight percentage, the chemical composition of the alloy is: Mg:5.6wt.%, Zn:2.4wt.%, Ru:0.3wt.%, Os:0.2wt.%, Ge:1.2wt.%, Nb:0.4wt .%, Y: 0.3wt.%, Sc: 0.2wt.%, B: 0.5wt.%, and the balance is palladium. 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 1650 degrees to form an alloy solution, and use the electromagnetic effect to fully stir for about 10 minutes. The alloy liquid is kept at 1650°C for 10 minutes and cast into the equipment at the same level as the hot top for semi-continuous casting, and the ingot moving speed is 15m / min. The ingot was subjected to deformation treatment at room temperature, and the rolling reduction in each pass was 13%. Every 3 passes of ...
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