Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof
An al-fe-tl-re, power cable technology, applied in the field of alloys, can solve problems such as poor comprehensive performance, poor fatigue resistance, and quality problems of aluminum alloy power cables
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[0075] The invention also provides a method for preparing Al-Fe-Tl-RE aluminum alloy, which includes the following steps:
[0076] a) Cast the following raw materials to obtain aluminum alloy ingots: 0.01~1.6wt% Fe, 0.001~0.3wt% Cu, 0.001~0.3wt% Mg, 0.001~0.3wt% Co, 0.001~0.2 wt% Be, 0.001~0.3wt% Ca, 0.001~0.2wt% Zn, 0.001~0.3wt% Sr, 0.001~0.3wt% Zr, 0.002~0.25wt% Li, 0.001~0.2wt% Na, 0.002~0.25wt% K, 0.001~0.2wt% Ti, 0.001~0.15wt% V, 0.001~0.12wt% Cr, 0.001~0.12wt% Mn, 0.001~0.15wt% Ni , 0.001~0.2wt% Ga, 0.003~0.2wt% Ge, 0.001~0.2wt% Rb, 0.001~0.15wt% Nb, 0.001~0.2wt% Mo, 0.001~0.25wt% Tc, 0.001 ~0.15wt% Ru, 0.002~0.1wt% Rh, 0.001~0.12wt% Pd, 0.001~0.1wt% Ag, 0.002~0.13wt% Cd, 0.003~0.18wt% In, 0.001~0.08 wt% Sn, 0.001~0.3wt% Sb, 0.001~0.2wt% Cs, 0.001~0.08wt% Ba, 0.001~0.22wt% Hf, 0.002~0.16wt% Ta, 0.001~0.08wt% W, 0.002~0.18wt% Re, 0.002~0.08wt% Os, 0.001~0.15wt% Ir, 0.002~0.08wt% Pt, 0.001~0.05wt% Au, 0.002~0.15wt% Tl , 0.01~3.0wt% RE, greater than zero and less than or e...
Example Embodiment
[0088] Example 1
[0089] (1) Put the aluminum ingot into the furnace, heat it to melt and keep it at 720℃. The melting process is completed in a sealed environment; first add Al-Fe, Al-Cu, Al-Mg, Al-Co, Al-Be , Al-Ca, Al-Zn, Zn-Sr, Al-Zr, Al-Si, Al-B, Al-Li, Al-Na, Al-K, Al-Ti, Al-V, Al-Cr, Al -Mn, Al-Ni, Al-Ga, Al-Ge, Al-Rb, Al-Nb, Al-Mo, Al-Tc, Al-Ru, Al-Rh, Al-Pd, Al-Ag, Al-Cd , Al-In, Al-Sn, Al-Sb, Al-Cs, Al-Ba, Al-Hf, Al-Ta, Al-W, Al-Re, Al-Os, Al-Ir, Al-Pt, Al -Au and Al-Tl master alloy, stir evenly, then add rare earth RE and stir for 20min until fully stirred, stand for 30min; then refining the above alloy melt in furnace; add refining agent to the alloy melt and stir Evenly, let it stand for 30 minutes, and the melt refining is operated in a sealed environment; after refining, slagging, standing, and adjusting the temperature to 650℃, the alloy liquid is poured out of the furnace, and after degassing and slag removal, it enters the casting machine for processing Cast...
Example Embodiment
[0094] Example 2
[0095] (1) Put the aluminum ingot into the furnace, heat it to melt and keep it at 740℃. The melting process is completed in a sealed environment; first add Fe, Cu, Mg, Co, Be, Ca, Zn, Sr, Zr, Si , B, Li, Na, K, Ti, V, Cr, Mn, Ni, Ga, Ge, Rb, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Cs, Ba , Hf, Ta, W, Re, Os, Ir, Pt, Au, and Tl, stir well, then add rare earth RE and stir for 20 minutes until fully stirred, and let stand for 30 minutes; then refining the above alloy melt in the furnace; Add a refining agent to the alloy melt and stir it evenly, and then let it stand for 30 minutes. The melt refining is operated in a sealed environment; after refining, slag, stand, and adjust the temperature to 720℃, the alloy liquid is poured out of the furnace, and then degassed , After the slag removal treatment, enter the casting machine for casting to obtain an aluminum alloy ingot. The composition of the ingot is listed in Table 1;
[0096] (2) The aluminum alloy ingot ...
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