Al-Fe-Cu-Mg-Mn aluminum alloy used for coal mine cables and aluminum alloy cable
An al-fe-cu-mg-mn, aluminum alloy technology, applied in the field of Al-Fe-Cu-Mg-Mn aluminum alloy and aluminum alloy cables for coal mine cables, can solve the problem that cannot meet the bending performance of coal mine cables , high electrical conductivity and mechanical strength of the cable conductor, poor mechanical properties and corrosion resistance of ordinary aluminum core cables, etc., to achieve the effect of light weight, good flexibility and good electrical conductivity
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Embodiment 1
[0047] A kind of Al-Fe-Cu-Mg-Mn series aluminum alloy for coal mine cable, the components and the weight percent of each component are as follows (total weight: 1T):
[0048]
[0049] The method for preparing an aluminum alloy wire core by using the above-mentioned aluminum alloy material, the specific steps are as follows:
[0050] a. Casting molten aluminum alloys to obtain casting materials: adding the above-mentioned aluminum alloy components according to the above ratios, performing a melting process at 700°C, and then casting at 650°C to obtain ingots;
[0051] b. Solid solution treating the ingot obtained in step a for 3 hours within the range of 500°C, and then rapidly quenching in cooling water at 50°C;
[0052] c. Aging the ingot obtained in step b for 6 hours at 150°C, then raising the temperature to 350°C, and rolling it into an alloy rod;
[0053] d. Within the range of 280°C, the alloy rod rolled in step c is subjected to drawing treatment, so that the cross-...
Embodiment 2
[0061] An aluminum alloy for coal mine cables, the components and the weight percentages of each component are as follows (total weight: 1T):
[0062]
[0063] In the above aluminum alloy materials, a certain amount of Si is added, and Mg interacts with Si to form a MgSi strengthening phase, increase the recrystallization temperature and change the aging behavior, so that the recrystallization grains of the product can be further refined, the strength and toughness can be improved, and the plasticity can be improved. , The corrosion resistance is improved, the yield strength and elongation of the aluminum alloy are increased, the reprocessing of the aluminum alloy product is avoided, the production efficiency is improved, and the production cost is reduced.
[0064] The method for preparing an aluminum alloy wire core by using the above-mentioned aluminum alloy material, the specific steps are as follows:
[0065] a. Casting molten aluminum alloys to obtain casting material...
Embodiment 3
[0074] An aluminum alloy for coal mine cables, the components and the weight percentages of each component are as follows (total weight: 1T):
[0075]
[0076] In the above-mentioned aluminum alloy materials, it is preferable to add a certain amount of B and rare earth elements. B, as an aluminum alloy component, can improve the properties of the alloy, especially the electrical properties and elongation properties, and ensure the performance of the alloy through a reasonable ratio of each component. .
[0077] Rare earth elements can not only significantly improve the electrical properties of the alloy, but also have the effect of improving the fatigue resistance and bending performance of the alloy, prolonging the service life of the cable. Wherein, the rare earth element RE includes Ce, La and Pr, wherein the content of Ce and La accounts for 50% of the total content of the rare earth element.
[0078] The method for preparing an aluminum alloy wire core by using the ab...
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