A kind of high-conductivity duralumin wire and its production method
A high-conductivity, production method technology, applied in conductive materials, conductive materials, conductors, etc., can solve the problems of high cost and inability to popularize and use in a large area, so as to reduce the cost of raw materials, improve market competitiveness, enhance conductivity and the effect of strength
Active Publication Date: 2018-01-02
STATE GRID HEBEI ELECTRIC POWER RES INST +2
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Problems solved by technology
[0002] High-conductivity duralumin conductors are divided into L1, L2, L3 and L4 according to the conductivity. The conductivity of L4 conductors is greater than 63% IACS. At present, the L4 conductors that can be industrially produced in batches are produced with 99.99% aluminum as raw materials. The cost Much higher than ordinary duralumin wire, it cannot be popularized and used in a large area
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[0019] The present invention is aimed at 99.7% industrial pure aluminum on the basis of boridation and rare earth treatment, and proposes to simultaneously control the mass ratio of Fe / Si and Si / Sb to realize the production of high-conductivity duralumin, and the conductivity of the produced wire is Not less than 63%IACS, strength not less than 161MPa.
[0020] A hard aluminum wire with high conductivity, the mass ratio of Fe / Si is 3.54-5.26; the mass ratio of Si / Sb is 13-22.
[0021] The B content is 0.01-0.03%, the sum of Cr+Mn+V+Ti content is less than 0.006%, and the Sn content is 0.01-0.03%.
[0022] A production method of high-conductivity duralumin wire, in which 99.7% industrial pure aluminum is used in production on the basis of boridation and rare earth treatment, while controlling the mass ratio of Fe / Si and Si / Sb for smelting; using 99.7% % of industrial pure aluminum, adding B, deducting consumption such as burning loss, to ensure that the B content in the final ...
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Abstract
The invention relates to a high-conductivity hard aluminum conductor and a production method thereof. The production method comprises the following steps: using 99.7% of industrial pure aluminum in production of the high-conductivity hard aluminum conductor on the basis of boronizing and rare earth treatment, and meanwhile smelting by controlling the mass ratio of Fe / Si and the mass ratio of Si / Sb, wherein the mass ratio of Fe / Si is 3.54-5.26, and the mass ratio of Si / Sb is 13-22; and while adding Sb, blowing molten and diluted intermediate alloy melt to the surface of a furnace body by using inert gas, rapidly stirring for 5-15 minutes, and then beginning to carry out pouring. The L4 conductor is produced by 99.7% of the industrial pure aluminum, so that costs for raw materials can be greatly reduced, and market competitiveness is improved. The L4 conductor is produced by 99.7% of the industrial pure aluminum through micro-alloying smelting. The conductivity of the high-conductivity hard aluminum conductor is not lower than 63% IACS, and the strength is not lower than 161 MPa.
Description
technical field [0001] The invention relates to the technical field of electrical machinery and equipment manufacturing, in particular to a high-conductivity duralumin wire and a production method thereof. Background technique [0002] High-conductivity duralumin conductors are divided into L1, L2, L3 and L4 according to the conductivity. The conductivity of L4 conductors is greater than 63% IACS. At present, the L4 conductors that can be industrially produced in batches are produced with 99.99% aluminum as raw materials. The cost Much higher than ordinary duralumin wire, it cannot be popularized and used in a large area. Contents of the invention [0003] In order to solve the above-mentioned problems, the present invention provides a kind of production cost is low, is conducive to the preparation of high-conductivity duralumin wire and its production method which is conducive to large-scale promotion. [0004] Technical scheme of the present invention [0005] The main...
Claims
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IPC IPC(8): C22C21/00C22C1/03H01B1/02
CPCC22C1/026C22C1/03C22C21/00H01B1/023
Inventor 冯砚厅王庆徐雪霞王勇赵纪峰李文彬
Owner STATE GRID HEBEI ELECTRIC POWER RES INST