Smelting-casting technique of 6010 aluminum alloy

An aluminum alloy ingot and process technology, applied in the field of aluminum alloy melting and casting, can solve the problems of high price, high production cost, inability to meet the requirements, and achieve the effects of optimizing the casting speed, avoiding casting cracks, and reducing the content of non-metallic slag inclusions.

Inactive Publication Date: 2017-07-21
GUANGXI UNIV
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  • Summary
  • Abstract
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Problems solved by technology

At present, domestic aluminum processing enterprises are still in their infancy in the production of high-end aluminum alloys for automobile body panels including 6010. Aluminum alloy panels suitable for the production of automobile body panels still need to be imported from abroad, which is expensive and has high production costs.
Unable to meet the demand for high-performance aluminum alloys in China's automobile body lightweight

Method used

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Examples

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Effect test

Embodiment Construction

[0012] The present invention will be further described in detail below in conjunction with the examples.

[0013] (1) Ingredients: 99.7% pure aluminum ingots, electrolytic copper, zinc ingots, manganese agent, instant silicon, magnesium ingots and aluminum alloy wastes of the same brand are used as raw materials for ingredients. The proportion of the waste materials to the total raw materials is 30%- 50%; the mass fraction of each element after batching is as follows: Si: 0.8-1.2%, Fe: <0.5%, Cu: 0.15-0.6%, Mn: 0.2-0.8%, Mg: 0.6-1.0%, Zn: <0.25% , Ti: ≤0.1%, the balance is Al.

[0014] (2) Melting: During the melting process, the melting temperature is strictly controlled at 720~750°C. After the molten aluminum is completely melted, start the electromagnetic stirrer to stir for 30 minutes to ensure the composition and temperature uniformity of the alloy melt; Carry out pre-refining to reduce slag content, hydrogen content and alkali metal content in the melt.

[0015] (3) S...

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Abstract

The invention relates to a 6010 aluminum alloy melting and casting process. This process effectively reduces the non-metallic slag content, hydrogen content and alkali metal content in the melt by controlling the melting temperature, refining in the melt furnace and on-line treatment, and ensures the uniformity of the alloy composition. The ingot casting machine controls the casting speed and water flow during the casting process, avoiding casting cracks and feather crystals, and improving the surface quality of the ingot.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy melting and casting, and in particular relates to a 6010 aluminum alloy melting and casting process. Background technique [0002] In the past 20 years, the world's energy problems have become more and more serious, which makes reducing the weight of automobiles and reducing fuel consumption the key to improving the competitiveness of major automobile manufacturers. Aluminum has the characteristics of low density and good corrosion resistance, and the aluminum alloy has excellent plasticity, which is suitable for casting, forging and stamping processes, and has been more and more widely used in the field of automobile manufacturing. [0003] 6010 aluminum alloy is one of the most widely used Al-Mg-Si aluminum alloys in the automotive industry. In addition to its high strength, the alloy also has high fracture toughness, good corrosion resistance, and excellent fatigue resistance, and is us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C1/06B22D21/04C22C21/02C22C21/08C22C21/00
CPCC22C1/03B22D21/007C22C1/026C22C1/06C22C21/00C22C21/02C22C21/08
Inventor 卢海凤
Owner GUANGXI UNIV
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