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Aluminum alloy tubular conductor and production process thereof

A tubular conductor and production process technology, applied in the field of high-strength heat-resistant aluminum alloy tubular conductor and its production process, can solve the problems of alloy material creep, no obvious change in mechanical properties, etc. Tensile strength and use temperature increase, the effect of improving tensile strength

Inactive Publication Date: 2010-07-07
湖北兴和电力新材料股份有限公司
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Problems solved by technology

However, the maximum service temperature of the pipe busbar made of 6063 alloy cannot exceed 90°C (the standard specifies 80°C), once the temperature exceeds this temperature, the alloy material will produce creep
[0005] In 2007, in order to improve the heat resistance of the conductive tube bus, the company developed the Al-Mg-Si-Zr alloy tube bus, which increased the service temperature of the conductor, but its mechanical properties did not change significantly compared with 6063

Method used

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  • Aluminum alloy tubular conductor and production process thereof
  • Aluminum alloy tubular conductor and production process thereof

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Embodiment Construction

[0027] In order to adapt to the rapid development of my country's electric power industry, under the situation of rapid increase in power system capacity, the development of new high-strength heat-resistant aluminum alloy tubular conductors with excellent comprehensive performance not only improves the technical equipment level of the power grid, but also increases the reliability of power grid operation , saving a large amount of non-ferrous metals, and has more significant social and economic benefits.

[0028] The development of new aluminum alloy conductive materials mainly starts from the following two aspects:

[0029] (1) Using this alloy to manufacture pipe busbars (including wires) can greatly improve the strength of pipe busbars. In the extreme weather of current climate change, it can withstand large loads without damage when it encounters heavy snow, freezing or strong winds beyond normal.

[0030] (2) Further improve heat resistance. Increase the operating temper...

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Abstract

The invention provides an aluminum alloy tubular conductor and a production process thereof. The aluminum alloy tubular conductor is prepared with Al-Mg-Si-Fe-Cu-Zr-RE alloy. The aluminum alloy tubular conductor adopts the Al-Mg-Si-Fe-Cu-Zr-RE alloy, the tensile strength and the use temperature of the aluminum alloy after being added with Cu, Fe, Zr and RE are increased, thereby the performance of the aluminum alloy tubular conductor is greatly improved. The production process of the aluminum alloy tubular conductor adopts a thermomechanical processing process, controls the cold processing rate after quenching within a certain range, thereby not only greatly improving the tensile strength of the product, but also facilitating the improvement of the recrystallization temperature of the alloy, so as to improve the heat resistant performance of the alloy.

Description

【Technical field】 [0001] The invention relates to a high-strength heat-resistant aluminum alloy material for electricians, in particular to a high-strength heat-resistant aluminum alloy tubular conductor and a production process thereof. 【Background technique】 [0002] As we all know, electricity is the foundation of national economic development and a bridge for the sustainable development of human society. According to the national electric power construction plan: during the "Eleventh Five-Year Plan" period, in terms of power grid facilities, we must continue to promote the construction of the three major channels of "West to East Power Transmission"; strengthen the construction of regional power grids and promote the interconnection of large regional power grids. By 2010, except for Tibet and Xinjiang , Taiwan and other regions, the initial realization of national networking; promote the construction and transformation of urban and rural power grids, and form a safe and ...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C21/02B22D7/04C22F1/05H01B1/02H01B5/06
Inventor 周锦平吕续国
Owner 湖北兴和电力新材料股份有限公司
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