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Preparing method for rare earth aluminum alloy material good in corrosion-resisting performance

A technology of aluminum alloy material and preparation process, applied in the field of aluminum alloy preparation, can solve the problems of poor corrosion resistance, tensile strength, low elongation at break, etc., and achieve the effect of improving tensile strength

Inactive Publication Date: 2018-03-20
广西丰达三维科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The rare earth aluminum alloy in this invention has excellent processing, mechanical and electrical properties, but has the problems of low tensile strength, low elongation at break, and poor corrosion resistance

Method used

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  • Preparing method for rare earth aluminum alloy material good in corrosion-resisting performance

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Embodiment 1

[0035] A rare earth aluminum alloy material with good corrosion resistance, comprising the following raw materials in parts by weight: 1620 parts of aluminum, 16 parts of copper, 7 parts of vanadium, 5 parts of manganese, 7 parts of tin, 2 parts of chromium, and 32 parts of rare earth elements 14 parts of titanium carbide, 10 parts of tungsten carbide, 8 parts of tungsten silicide, 4 parts of tungsten, 18 parts of refining agent, 30 parts of grain refiner;

[0036] The rare earth elements are in parts by weight, including the following raw materials: 8 parts of praseodymium, 4 parts of erbium, 2 parts of samarium, 4 parts of dysprosium, 7 parts of holmium, and 6 parts of yttrium;

[0037] The refining agent includes the following raw materials in parts by weight: 16 parts of sodium chloride, 15 parts of sodium fluoride, 6 parts of graphite, and 5 parts of calcium fluoride;

[0038] The grain refiner includes the following raw materials in parts by weight: 12 parts of aluminum-...

Embodiment 2

[0047] A rare earth aluminum alloy material with good corrosion resistance, comprising the following raw materials in parts by weight: 1200 parts of aluminum, 19 parts of copper, 8 parts of vanadium, 6 parts of manganese, 8 parts of tin, 3 parts of chromium, and 20 parts of rare earth elements 10 parts of titanium carbide, 8 parts of tungsten carbide, 7 parts of tungsten silicide, 3 parts of tungsten, 15 parts of refining agent, 26 parts of grain refiner;

[0048] The rare earth elements are in parts by weight, including the following raw materials: 7 parts of praseodymium, 6 parts of erbium, 1 part of samarium, 5 parts of dysprosium, 5 parts of holmium, and 7 parts of yttrium;

[0049] The refining agent includes the following raw materials in parts by weight: 20 parts of sodium chloride, 8 parts of sodium fluoride, 7 parts of graphite, and 3 parts of calcium fluoride;

[0050] The grain refiner includes the following raw materials in parts by weight: 7 parts of aluminum-sili...

Embodiment 3

[0059] A rare earth aluminum alloy material with good corrosion resistance, comprising the following raw materials in parts by weight: 1850 parts of aluminum, 12 parts of copper, 5 parts of vanadium, 2 parts of manganese, 4 parts of tin, 1 part of chromium, and 38 parts of rare earth elements 15 parts of titanium carbide, 12 parts of tungsten carbide, 9 parts of tungsten silicide, 5 parts of tungsten, 20 parts of refining agent, 35 parts of grain refiner;

[0060] The rare earth elements are in parts by weight, including the following raw materials: 9 parts of praseodymium, 2 parts of erbium, 3 parts of samarium, 3 parts of dysprosium, 8 parts of holmium, and 2 parts of yttrium;

[0061] The refining agent includes the following raw materials in parts by weight: 10 parts of sodium chloride, 16 parts of sodium fluoride, 5 parts of graphite, and 6 parts of calcium fluoride;

[0062] The grain refiner includes the following raw materials in parts by weight: 15 parts of aluminum-s...

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Abstract

The invention discloses a preparing method for a rare earth aluminum alloy material good in corrosion-resisting performance and belongs to the technical field of preparing of aluminum alloys. The rareearth aluminum alloy material comprises the following raw materials including aluminum, copper, vanadium, manganese, tin, chromium, rare earth elements, titanium carbide, tungsten carbide, tungsten silicide, tungsten, a refeining agent and a grain refining agent. The rare earth aluminum alloy material is prepared through the steps of melting, refining, drossing, casting and the like. By the adoption of the technology, the corrosion-resisting performance of the rare earth aluminum alloy material can be obviously improved.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy preparation, and in particular relates to a preparation process of a rare earth aluminum alloy material with good corrosion resistance. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and it 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, so 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 broadened the application fields of aluminum alloys. [0003] The basic component of the power industry - power cable, is a resource used to transmit and distribute electric ene...

Claims

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Application Information

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IPC IPC(8): C22C21/14C22C21/00C22C1/06C22C1/03C22C1/10
CPCC22C21/14C22C1/06C22C1/1036C22C21/00
Inventor 庞贤崇
Owner 广西丰达三维科技有限公司
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