Moderate-intensity high-conductivity electrical aluminum wire material and preparation method thereof

Abstract

The invention relates to a moderate-intensity high-conductivity electrical aluminum wire material and a preparation method thereof. A method for optimizing the alloy components and combining processes of extruding, preparing and aging is adopted, so that an Al-Mg-Si alloy wire is high in density, fewer in defects and high in yield. The problem that the conductivity and intensity of the Al-Mg-Si alloy wire prepared by a traditional method cannot be considered simultaneously is solved. The conductivity of the Al-Mg-Si alloy wire prepared by the method disclosed by the invention is over 62 percent IACS (International Annealed Copper Standard), the tensile strength is over 220MPa, and the alloy wire is easy to implement and low in cost and has obvious social and economic benefits and wide application prospects.

Description

technical field

[0001] The content of the invention belongs to the field of electrical materials and preparation, and specifically discloses a medium-strength and high-conductivity electrical aluminum wire material and a preparation method thereof. Background technique

[0002] Due to the shortage of copper resources, the use of aluminum conductors as overhead materials has become a worldwide issue. In the United States, Japan and other countries, the amount of aluminum conductors used as overhead conductors is more than 50%, and France is as high as 80%. However, due to the lack of technical strength in this area in our country, the technological content of the products is not high, which seriously restricts the development and application of aluminum wires. At present, my country's overhead conductors are still dominated by steel-cored aluminum stranded wires, which have high costs and large losses in long-distance power transmission. According to the national power grid ...