Oxidization-resisting strontium-containing aluminum alloy with working temperature of 300 to 400 DEG C for storing energy
A technology of working temperature and oxidation resistance, which is applied in the field of alloys, can solve serious problems, rapid changes in alloy composition, and reduction of thermal properties of alloys, and achieve excellent corrosion resistance, good chemical compatibility, and reduced melting latent heat.
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Embodiment 1
[0017] An oxidation-resistant strontium-containing aluminum alloy for energy storage at a working temperature of 300-400 degrees. In terms of weight percentage, the composition of the alloy is Zn: 18.0wt.%, Sr: 0.8wt.%, Ge: 4.0wt.%, In: 0.4wt.%, S: 0.1wt.%, Co: 1.4wt.% , and the balance is aluminum. The above-mentioned oxidation-resistant strontium-containing aluminum alloy for energy storage at a working temperature of 300-400 degrees includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys join in. In the smelting process, graphite crucible is used, carnallite is used as covering agent, and siderstone is used as refining agent. The crucible is heated to 720-800 degrees to form an alloy melt, and the electromagnetic stirring effect is used to fully stir for about 15 minutes. The alloy melt is kept at 700°C for 15 minutes and t...
Embodiment 2
[0020]An oxidation-resistant strontium-containing aluminum alloy for energy storage at a working temperature of 300-400 degrees. In terms of weight percentage, the composition of the alloy is Zn: 19.0wt.%, Sr: 1.2wt.%, Ge: 5.0wt.%, In: 0.6wt.%, S: 0.2wt.%, Co: 1.6wt.% , and the balance is aluminum. The above-mentioned oxidation-resistant strontium-containing aluminum alloy for energy storage at a working temperature of 300-400 degrees includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys join in. In the smelting process, graphite crucible is used, carnallite is used as covering agent, and siderstone is used as refining agent. The crucible is heated to 720-800 degrees to form an alloy melt, and the electromagnetic stirring effect is used to fully stir for about 15 minutes. The alloy melt is kept at 700°C for 15 minutes and th...
Embodiment 3
[0023] An oxidation-resistant strontium-containing aluminum alloy for energy storage at a working temperature of 300-400 degrees. In terms of weight percentage, the composition of the alloy is Zn: 18.5wt.%, Sr: 0.9wt.%, Ge: 4.2wt.%, In: 0.5wt.%, S: 0.1wt.%, Co: 1.5wt.% , and the balance is aluminum. The above-mentioned oxidation-resistant strontium-containing aluminum alloy for energy storage at a working temperature of 300-400 degrees includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys join in. In the smelting process, graphite crucible is used, carnallite is used as covering agent, and siderstone is used as refining agent. The crucible is heated to 720-800 degrees to form an alloy melt, and the electromagnetic stirring effect is used to fully stir for about 15 minutes. The alloy melt is kept at 700°C for 15 minutes and t...
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