A kind of al-si-fe-mg-cu alloy conductor material and preparation method thereof
A technology of al-si-fe-mg-cu and conductor materials, applied in the field of Al-Si-Fe-Mg-Cu alloy conductor materials, Al-Si-Fe-Mg-Cu alloy conductor materials and their preparation, can Solve the problems that do not involve the elastic modulus index, etc., to achieve the effect of suppressing the tendency of Si increase, reducing costs, and improving the elastic modulus and hardness
Active Publication Date: 2019-01-29
CENT SOUTH UNIV
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These two documents involve the room temperature conductivity and tensile strength of aluminum wires, but they are the properties of the processed state or post-processing aging, and do not involve the relevant elastic modulus index
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[0039] The technical solutions of the present invention are further described below through specific embodiments, which are only for helping to understand the present invention, and should not be regarded as specific limitations to the present invention.
[0040] The composition of Examples 1-10 and Comparative Examples 1-11 is shown in Table 2, wherein Mm is specifically 65% Ce+35% La. Use industrial pure aluminum ingots with a purity of 99.7% (in which Si is 0.05wt%, Fe is 0.13wt%, Cu is 0.01wt%, Mg is 0.01wt%), after melting industrial pure aluminum at 760-780°C, add the alloy Element B, when the content of Fe, Si, Mg, and Cu elements in the industrial pure aluminum ingot is lower than the design content of the corresponding components in Table 2, such as when the content of Fe is lower than the design content of Fe elements described in Table 2 , add the alloy elements, add RE elements, then carry out refining, rapid composition analysis before the furnace, and then adju...
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Abstract
The invention discloses an Al-Si-Fe-Mg-Cu alloy conductor material and a preparation method thereof, and belongs to the technical field of new electrician materials. Aluminum alloy comprises, by weight, 0.01%-0.05% of Mg, 0.01%-0.05% of Cu, 0.05%-0.10% of Fe, 0.06%-0.15% of Si, 0.01%-0.10% of B and 0.10%-0.30% of rare earth. The mass ratio of the Fe to the Si is smaller than one, and the total content of the impurity elements of Ti, V, Cr and Mn is smaller than or equal to 0.01% by weight. Industrial pure aluminum ingots or electrolytic aluminum liquid is used as a main raw material, the inevitable impurity elements of the Fe, Si, Cu and Mg inside are turned into useful microalloying elements, the Young modulus of cast-state alloy is larger than 71.5GPa, the hardness HV0.2 is larger than 26, and the conductivity at the temperature of 20 DEG C is larger than or equal to 60.8%IACS. The Al-Si-Fe-Mg-Cu alloy conductor material can be used for manufacturing electrolytic bath generatrices, building generatrices, electric wires, cables and the like.
Description
technical field [0001] The invention relates to an Al-Si-Fe-Mg-Cu alloy conductor material, in particular to a low-cost Al-Si-Fe-Mg-Cu alloy conductor material with a relatively high elastic modulus and a preparation method thereof, belonging to Electrotechnical new material technology field. Background technique [0002] Aluminum bus bar is a conductor made of aluminum and its alloys with a large cross-sectional area and capable of transmitting large currents. The anode busbar for aluminum electrolysis is connected to the soft busbar and the anode guide bar. In addition to conducting current, its main function is to support the anode guide bar. It requires a certain degree of rigidity and bending resistance. The electrolytic aluminum industry calls it a hard busbar. Traditional aluminum busbars use industrial pure aluminum. Table 1 shows the chemical composition of industrial pure aluminum for remelting listed in GB / T 1196-2008, and the impurity content must not exceed the...
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IPC IPC(8): C22C21/02H01B1/02
CPCC22C21/02H01B1/023
Inventor 李红英赵辉
Owner CENT SOUTH UNIV