Rare earth La reinforced aluminum matrix composite wire and manufacturing method thereof

Abstract

The invention provides a rare earth La reinforced aluminum-based composite wire and a manufacturing method thereof, and the rare earth La reinforced aluminum-based composite wire comprises the following elements by mass: 1-4% of Ti; 0.5-2% of B; 0.5 to 0.6 percent of Mg; 0.5 to 0.6 percent of Si; 0.1 to 0.3 percent of Fe; 0-1% of La; < = 0.1% of impurity; and the balance of Al. The invention further discloses a preparation method of the rare earth La reinforced aluminum matrix composite single wire and a rare earth La reinforced aluminum matrix composite wire formed by twisting the rare earth La reinforced aluminum matrix composite single wire. According to the rare earth La reinforced aluminum matrix composite wire, the electric conductivity is improved, meanwhile, it can be guaranteed that the mechanical property of the wire meets the use requirement, and the rare earth La reinforced aluminum matrix composite wire has the characteristics of being low in sag, large in span and good in electric conductivity in the long-distance power transmission process.

Description

Technical field [0001] The present invention relates to material techniques, and more particularly to a rare earth LA-enhanced aluminum-based composite wire and a manufacturing method thereof. Background technique [0002] With the rapid growth of the national economy, the demand for electricity is increasing, especially the demand for energy in large populations, and therefore the wire requirements in the process of electric energy delivery are also increasing. [0003] Aluminum conductivity and thermal conductivity are second only to silver, copper, but the density of aluminum is small, and the quality of the cable length of several miles can alleviate several tons, and the price of aluminum is relatively low. The trend of aluminum instead of copper manufacturing wire and cable has occurred. [0004] Wires do not only have good conductivity not only during application, but also need good mechanical properties to withstand self-weight and environmental loads. Compared to aluminu...

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Problems solved by technology

[0007] The object of the present invention is to propose a single wire of rare earth La reinforced aluminum matrix composite material, aiming at the problem that the mechanical properties and electrical conductivity of the current aluminum alloy wire and the wire of aluminum matrix composite material are mutually restricted. The aluminum matrix composite wire can not only improve the electrical conductivity, but also ensure the mechanical properties of the wire to meet the requirements of use.

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