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Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof

An al-fe-tl-re, power cable technology, applied in the field of alloys, can solve problems such as poor comprehensive performance, poor fatigue resistance, and quality problems of aluminum alloy power cables

Inactive Publication Date: 2013-03-20
ANHUI JOY SENSE CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aluminum alloy conductor materials in the prior art are relatively excellent in electrical properties, corrosion resistance and mechanical properties, etc., but are still relatively poor in fatigue resistance, which is prone to quality problems and affects the service life or band of the aluminum alloy material. Therefore, the overall performance of aluminum alloy power cables is still poor

Method used

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  • Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof
  • Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof
  • Al-Fe-Tl-RE aluminum alloy, and preparation method and power cable thereof

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preparation example Construction

[0075] The present invention also provides a kind of preparation method of Al-Fe-Tl-RE aluminum alloy, comprises the following steps:

[0076] a) Casting raw materials with the following composition to obtain an aluminum alloy ingot: 0.01~1.6wt% Fe, 0.001~0.3wt% Cu, 0.001~0.3wt% Mg, 0.001~0.3wt% Co, 0.001~0.2 wt% Be, 0.001~0.3wt% Ca, 0.001~0.2wt% Zn, 0.001~0.3wt% Sr, 0.001~0.3wt% Zr, 0.002~0.25wt% Li, 0.001~0.2wt% Na, 0.002~0.25wt% K, 0.001~0.2wt% Ti, 0.001~0.15wt% V, 0.001~0.12wt% Cr, 0.001~0.12wt% Mn, 0.001~0.15wt% Ni , 0.001~0.2wt% of Ga, 0.003~0.2wt% of Ge, 0.001~0.2wt% of Rb, 0.001~0.15wt% of Nb, 0.001~0.2wt% of Mo, 0.001~0.25wt% of Tc, 0.001 ~0.15wt% Ru, 0.002~0.1wt% Rh, 0.001~0.12wt% Pd, 0.001~0.1wt% Ag, 0.002~0.13wt% Cd, 0.003~0.18wt% In, 0.001~0.08 wt% Sn, 0.001~0.3wt% Sb, 0.001~0.2wt% Cs, 0.001~0.08wt% Ba, 0.001~0.22wt% Hf, 0.002~0.16wt% Ta, 0.001~0.08wt% W, 0.002~0.18wt% Re, 0.002~0.08wt% Os, 0.001~0.15wt% Ir, 0.002~0.08wt% Pt, 0.001~0.05wt% Au, 0.002~0.15wt% Tl ...

Embodiment 1

[0089] (1) Put the aluminum ingot into the furnace, heat it to melt and keep it warm at 720°C. The melting process is completed in a sealed environment; first add Al-Fe, Al-Cu, Al-Mg, Al-Co, Al-Be , Al-Ca, Al-Zn, Zn-Sr, Al-Zr, Al-Si, Al-B, Al-Li, Al-Na, Al-K, Al-Ti, Al-V, Al-Cr, Al -Mn, Al-Ni, Al-Ga, Al-Ge, Al-Rb, Al-Nb, Al-Mo, Al-Tc, Al-Ru, Al-Rh, Al-Pd, Al-Ag, Al-Cd , Al-In, Al-Sn, Al-Sb, Al-Cs, Al-Ba, Al-Hf, Al-Ta, Al-W, Al-Re, Al-Os, Al-Ir, Al-Pt, Al - Au and Al-Tl master alloys, stir well, then add rare earth RE and stir for 20 minutes until fully stirred evenly, and keep it for 30 minutes; then refine the above alloy melt in the furnace; add refining agent to the alloy melt, and stir Uniformity, then stand for 30 minutes, and the melt refining is operated in a sealed environment; after refining, slag, stand still, and adjust the temperature to 650°C, the alloy liquid is poured out of the furnace, and after degassing and slag removal, it enters the casting machine for C...

Embodiment 2

[0095] (1) Put the aluminum ingot into the furnace, heat it to melt and keep it warm at 740°C. The melting process is completed in a sealed environment; first add Fe, Cu, Mg, Co, Be, Ca, Zn, Sr, Zr, Si , B, Li, Na, K, Ti, V, Cr, Mn, Ni, Ga, Ge, Rb, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Cs, Ba , Hf, Ta, W, Re, Os, Ir, Pt, Au and Tl, stir evenly, then add rare earth RE and stir for 20 minutes until fully stirred evenly, and keep it for 30 minutes; then refine the above alloy melt in the furnace; Add refining agent to the alloy melt, stir evenly, and then keep it for 30 minutes. The melt refining is operated in a sealed environment; 1. After the slag removal treatment, enter the casting machine for casting to obtain an aluminum alloy ingot, and the ingot composition is listed in Table 1;

[0096] (2) Heat up the aluminum alloy ingot obtained in step (1) at a rate of 3°C / min to 550°C, hold it for 16 hours and then roll it into a rod;

[0097] (3) Anneal the rod material ob...

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Abstract

The invention provides an Al-Fe-Tl-RE aluminum alloy, and a preparation method of the Al-Fe-Tl-RE aluminum alloy. The method comprises the steps that: (a) an aluminum alloy ingot is cast; (b) the aluminum alloy ingot is subjected to a homogenization treatment; and the obtained aluminum alloy ingot is rolled, such that an aluminum alloy rod material is obtained; (c) the aluminum alloy rod material obtained in the step (b) is subjected to a batch-type annealing treatment; and (d) the aluminum alloy rod material obtained in the step (c) is subjected to an aging treatment, such that aluminum alloy is obtained. The invention also provides a power cable. According to the invention, through the selection and control over added elements and the adoption of a reasonable preparation process, the obtained aluminum alloy is provided with good comprehensive performance.

Description

technical field [0001] The invention relates to the field of alloy technology, in particular to an Al-Fe-Tl-RE aluminum alloy, a preparation method thereof and a power cable. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and is widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of science and technology and industrial economy, the demand for aluminum alloys is increasing, and the research on aluminum alloys is also in-depth. The wide application of aluminum alloys has promoted the development of aluminum alloys in the power industry, and at the same time the development of the power industry has expanded the application fields of aluminum alloys. [0003] A power cable is a resource used to transmit and distribute electrical energy, and its basic structure consists of four parts: a core, an insulating layer, a shieldi...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04C21D8/08H01B1/02H01B9/00
Inventor 林泽民
Owner ANHUI JOY SENSE CABLE
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