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Dispersing agent for aluminum titanium boron production and preparation method thereof

A technology of dispersing agent and aluminum-titanium-boron, which is applied in the field of dispersing agent for aluminum-titanium-boron production and its preparation, can solve problems such as uneven distribution of tissue, and achieve the effects of excellent and stable refining ability and quality improvement.

Active Publication Date: 2008-09-17
山东云信铝业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a dispersing agent for the production of aluminum titanium boron, which mainly solves the accumulation problem of large and needle-shaped TiAl3 phase and TiB2 phase in the aluminum titanium boron grains, and has the characteristics of improving the uneven distribution of the structure

Method used

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  • Dispersing agent for aluminum titanium boron production and preparation method thereof
  • Dispersing agent for aluminum titanium boron production and preparation method thereof
  • Dispersing agent for aluminum titanium boron production and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Mix 35kg of sodium fluoroaluminate, 25kg of potassium chloride and 20kg of sodium chloride, add in the crucible furnace to heat up and melt, control the temperature of the solution at 700°C, stir for 10 minutes, then add 15kg of magnesium fluoride and 5kg of cerium chloride successively, Continue to stir for 3-5 minutes, then pour into a cast steel mold to cool, crush and pulverize into 80-mesh dispersant, bag and seal.

Embodiment 2

[0027] Mix 40kg of sodium fluoroaluminate, 25kg of potassium chloride and 15kg of sodium chloride, add in the crucible furnace to heat up and melt, control the temperature of the solution at 715°C, stir for 12 minutes, then add 16kg of magnesium fluoride and 4kg of cerium chloride successively, Continue stirring for 3-5 minutes, then pour into a cast steel mold to cool, crush and pulverize into a 140-mesh dispersant, bag and seal.

Embodiment 3

[0029] Mix 35kg of sodium fluoroaluminate, 25kg of potassium chloride and 22kg of sodium chloride, add in the crucible furnace to heat up and melt, control the temperature of the solution at 730°C, stir for 15 minutes, then add 15kg of magnesium fluoride and 3kg of cerium chloride successively, Continue stirring for 3-5 minutes, then pour into a cast steel mold to cool, crush and pulverize into a 200-mesh dispersant, bag and seal.

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Abstract

The invention relates to a dispersing agent for Al-Ti-B production and a preparation method thereof. The dispersing agent for Al-Ti-B production comprises (wt%) sodium fluoroaluminate 30-50, potassium chloride 20-30, sodium chloride 15-25, magnesium fluoride 10-20 and cerium chloride 2-5. The inventive preparation method comprises the following steps of: (1) mixing sodium fluoroaluminate, potassium chloride and sodium chloride at a proper proportion, adding into a crucible furnace, heating to melt, and stirring; (2) sequentially adding magnesium fluoride and cerium chloride, and stirring; and (3) pouring the obtained molten liquid into a mould, cooling, crushing, and pulverizing to obtain product. The inventive dispersing agent solves the stacking problem of large and needle-shaped TiAl3 phase and TiB2 phase in Al-Ti-B crystal grains; and can improve non-uniform structural distribution.

Description

technical field [0001] The invention belongs to the technical field of metallurgical production, and particularly relates to a dispersant used for the production of aluminum-titanium-boron (ingots or continuous casting and rolling wire rods) and a preparation method thereof. Background technique [0002] Aluminum alloys have been widely used in high-tech fields such as machinery, automobiles, aviation and military industries due to their light weight, excellent cost performance, beautiful appearance and good overall performance. To obtain aluminum alloys with excellent comprehensive properties, grain refinement is one of the most important means. According to the Hall-Page formula, the yield strength of the material increases as the grain size decreases. In addition, the fine equiaxed grain structure can improve the toughness of the material, ensure its good casting performance, surface finish, and excellent processing performance. Therefore, the fine and uniform equiaxed ...

Claims

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Application Information

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IPC IPC(8): C22C1/03
Inventor 陶卫建王殊佟龙福梅小明诸天柏
Owner 山东云信铝业科技有限公司
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