Al-Fe-Cu-Mg aluminum alloy for cables for coal mines, aluminum alloy cable and preparation method of alloy cable
An al-fe-cu-mg, aluminum alloy technology, used in cable/conductor manufacturing, metal/alloy conductors, circuits, etc., can solve the problem of poor mechanical properties and corrosion resistance, electrical conductivity and mechanical strength properties that cannot meet coal mines. Using cables and other issues to achieve the effect of improving yield strength and elongation, improving age hardening characteristics, and improving production efficiency
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[0040] Example 1:
[0041] An aluminum alloy for coal mine cables, the components and the weight percentages of each component are as follows (total weight: 1T):
[0042]
[0043] Among them, the rare earth element RE includes Ce, La and Pr, where the content of Ce and La accounts for 50% of the total content of the rare earth element, and the weight ratio of Zr and Mn is 1:1.
[0044] The method for manufacturing the Al-Fe-Cu-Mg aluminum alloy cable for coal mine cables by using the above aluminum alloy includes the following steps:
[0045] a. The casting material is obtained by casting the above-mentioned molten aluminum alloy: the aluminum alloy components mentioned in the present invention are added in proportion, the smelting process is performed at a temperature of 700°C, and then casting is performed at a temperature of 650°C to obtain an ingot ;
[0046] b. The ingot obtained in step a is solution treated at 500°C for 4 hours, and then quenched quickly in cooling water at 30°C...
Example Embodiment
[0056] Example 2:
[0057]
[0058] Among them, the rare earth element RE contains Ce, La and Er, where the content of Ce and La accounts for 60% of the total content of the rare earth element, and the weight ratio of Zr and Cr is 1:1.
[0059] The method for manufacturing the Al-Fe-Cu-Mg aluminum alloy cable for coal mine cables by using the above aluminum alloy includes the following steps:
[0060] a. The casting material is obtained by casting the above-mentioned molten aluminum alloy: the aluminum alloy components mentioned in the present invention are added in proportion, and the melting process is carried out at a temperature of 800°C, and then casting is carried out at a temperature of 680°C to obtain an ingot ;
[0061] b. The ingot obtained in step a is solution treated at 460°C for 6 hours, and then quenched quickly in cooling water at 20°C;
[0062] c. The ingot obtained in step b is aged at 250°C for 6 hours, and then heated to 400°C to be rolled into alloy rods;
[0063] d...
Example Embodiment
[0070] Example 3:
[0071]
[0072] Among them, the rare earth element RE is Ce, La, and the weight ratio of Zr and Ag is 1:1.
[0073] The method for manufacturing the Al-Fe-Cu-Mg aluminum alloy cable for coal mine cables by using the above aluminum alloy includes the following steps:
[0074] a. The casting material is obtained by casting the above-mentioned molten aluminum alloy: the aluminum alloy components mentioned in the present invention are added in proportions, the melting process is performed at a temperature of 750°C, and then casting is performed at a temperature of 650°C to obtain an ingot ;
[0075] b. The ingot obtained in step a is solution treated at 550°C for 2h, and then quenched quickly in cooling water at 100°C;
[0076] c. The ingot obtained in step b is aged at 200°C for 10 hours, and then heated to 300°C to be rolled into alloy rods;
[0077] d. Under the temperature condition of 300°C, the alloy rod rolled in step c is subjected to a drawing process to reduce ...
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