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Formula for preparing aluminium titanium boron wire intermediate alloy and its technology

A technology of aluminum-titanium-boron wire and master alloy, which is applied in the field of preparation of aluminum-titanium-boron wire master alloy, can solve the problems of low yield of titanium and boron, low yield of finished product, poor reduction effect, etc., achieve good shape and reduce segregation , the effect of little pollution

Inactive Publication Date: 2007-01-31
FUZHOU ZHENGBANG METALLURGICAL MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the production of aluminum-titanium-boron wire master alloy generally adopts the single furnace method, which uses N 2 Refining, screw method or direct feeding method reduction, liquid wire drawing method or extrusion method rolling casting, etc., but the single furnace method is easy to cause composition segregation, nitrogen embrittlement, poor reduction effect, low yield of titanium and boron, and low yield , low product quality and other defects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] (1) Formula: Potassium Fluotitanate 297kg, Potassium Fluoborate 132kg, Pure Aluminum Ingot 1100kg;

[0009] (2) Prepared according to the following process steps: ① Melting: put 1100kg of aluminum ingot into the melting furnace, and after melting for 2 hours, the temperature rose to 780°C; ② Alloying: Mixed potassium fluorotitanate and Potassium fluoroborate is sprayed into the aluminum liquid, and the spray is finished in about 20 minutes; ③Static: After alloying, the melting furnace is ignited and heated for 5 minutes and then begins to stand still. The resting time is about 40 minutes. After the rest, scoop out the reduced slag liquid;④ Converter: Transfer the molten alloy aluminum in the melting furnace to the holding furnace; ⑤ Refining: Refining and stirring in the holding furnace with argon gas, on the one hand to remove slag, on the other hand to ensure that the alloy composition does not segregate. At this time, the aluminum in the furnace should be controlled. ...

Embodiment 2

[0012] (1) Formula: Potassium Fluotitanate 273kg, Potassium Fluoborate 131kg, Pure Aluminum Ingot 1050kg;

[0013] (2) Prepared according to the following process steps: ① Melting: put 1050kg of aluminum ingot into the melting furnace, and after melting for 2 hours, the temperature rose to 780°C; ② Alloying: Mixed potassium fluorotitanate and Potassium fluoroborate is sprayed into the aluminum liquid, and the spray is finished in about 20 minutes; ③Static: After alloying, the melting furnace is ignited and heated for 5 minutes and then begins to stand still. The resting time is about 40 minutes. After the rest, scoop out the reduced slag liquid;④ Converter: Transfer the molten alloy aluminum in the melting furnace to the holding furnace; ⑤ Refining: Refining and stirring in the holding furnace with argon gas, on the one hand to remove slag, on the other hand to ensure that the alloy composition does not segregate. At this time, the aluminum in the furnace should be controlled. ...

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Abstract

The present invention relates to a formula for preparing aluminium-titanium-boron wire intermediate alloy and its preparation process. Said formula for producing every ton product includes 250-290 kg of potassium fluorotitanate, 110-130 kg of potassium fluoroborate and 1000-1100 kg of pure aluminium ingot. Its preparation process includes the following steps: (1) mixing potassium fluorotitanate and potassium fluoroborate; (2), placing aluminium ingot into melting furnace, molting and heating to 750-800 deg.C; (3), adopting blowing method to make the potassium fluorotitanate and potassium fluoroborate mixture be injected into the molten aluminium; (4), continuously melting for 3-8 min, stopping, standing still for 35-45 min, removing dregs; (5), placing the molten alloy aluminium into heat-insulating furnace, introducing argon gas, stirring and heating simultaneously, and (6), heating to 780-820 deg.C, discharging molten aluminium, casting it into ingot, rolling it to obtain the invented aluminium-titanium-boron wire alloy.

Description

technical field [0001] The invention relates to a formula and a process for preparing an aluminum-titanium-boron wire master alloy. technical background [0002] At present, the production of aluminum-titanium-boron wire master alloy generally adopts the single furnace method, which uses N 2 Refining, screw method or direct feeding method reduction, liquid wire drawing method or extrusion method rolling casting, etc., but the single furnace method is easy to cause composition segregation, nitrogen embrittlement, poor reduction effect, low yield of titanium and boron, and low yield , Low product quality and other defects. Contents of the invention [0003] The object of the present invention is to provide a formula and process for preparing aluminum-titanium-boron wire master alloy. [0004] The formula and process for preparing aluminum-titanium-boron wire master alloy of the present invention are characterized in that: (1) the formula for producing each ton of product: ...

Claims

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Application Information

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IPC IPC(8): C22C1/03C22C21/00
Inventor 朱云
Owner FUZHOU ZHENGBANG METALLURGICAL MATERIAL
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