CN111996398A - Method for manufacturing high-content aluminum-boron alloy - Google Patents
Method for manufacturing high-content aluminum-boron alloy Download PDFInfo
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- CN111996398A CN111996398A CN202010791925.8A CN202010791925A CN111996398A CN 111996398 A CN111996398 A CN 111996398A CN 202010791925 A CN202010791925 A CN 202010791925A CN 111996398 A CN111996398 A CN 111996398A
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- aluminum
- potassium
- boron alloy
- smelting furnace
- pure aluminum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a method for manufacturing a high-content aluminum-boron alloy, which relates to the technical field of alloy production and comprises the following steps: (1) taking 40-60kg of pure aluminum, putting the pure aluminum into a smelting furnace, and heating the smelting furnace; (2) adding potassium fluoborate, and contacting the potassium fluoborate with pure aluminum; (3) stirring by a stirrer; (4) stirring the potassium fluoroaluminate and the potassium fluotitanate, and continuing stirring; (5) removing slag; (6) heating the shaped die; (7) and pouring the molten metal mixed solution into a mold, and cooling and forming to obtain the aluminum-boron alloy. According to the invention, the pure aluminum is used to replace the traditional aluminum alloy powder, the purity of aluminum is improved, the mixture of potassium fluoborate and pure aluminum is stirred by using a mechanical rotary blade type stirrer, so that the potassium fluoborate and the pure aluminum are completely reacted, the potassium fluoaluminate and the potassium fluotitanate are beneficial to obtaining higher boron content of the aluminum boron alloy, the whole invention idea is clear, the high-content aluminum boron alloy can be obtained, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of alloy production, in particular to a method for manufacturing a high-content aluminum-boron alloy.
Background
The alloy is a mixture with metal characteristics, which is synthesized by two or more metals and metals or nonmetals through a certain method. Typically by melting to a homogeneous liquid and solidifying. According to the number of constituent elements, binary alloys, ternary alloys, and multi-element alloys can be classified.
The Al-B alloy is also one kind of alloy, and is used mainly as intermediate alloy for high electric conductivity Al-alloy, high corrosion resistance Al-alloy and high heat conductivity Al-alloy.
At present, AlTi5B is used by most manufacturers in China
And AlB
The production is mainly carried out, the boron content is low, and the production of the high-content aluminum boron alloy is blank.
Disclosure of Invention
The invention aims to provide a method for manufacturing a high-content aluminum-boron alloy so as to solve the technical problem.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for manufacturing a high-content aluminum boron alloy comprises the following steps:
(1) taking 40-60kg of pure aluminum, putting the pure aluminum into a smelting furnace, and heating the smelting furnace to ensure that the internal temperature of the smelting furnace reaches 690-710 ℃;
(2) adding 23-24kg of potassium fluoborate into the smelting furnace in the step (1), contacting the potassium fluoborate with pure aluminum, and standing for 15 min;
(3) standing for reaction for 15min, and stirring with a stirrer for 15 min;
(4) after stirring, continuously adding 1-3kg of potassium fluoroaluminate and 2-4kg of potassium fluotitanate into the mixture, and continuously stirring for 5-10 min;
(5) removing slag from the mixture in the furnace;
(6) heating the shaped die;
(7) and (3) using boric acid as a covering agent, pouring the molten metal mixed solution in the smelting furnace into a mold, cooling and forming, and opening the mold to obtain the aluminum-boron alloy.
Preferably, the stirrer used in the step (3) is a mechanical rotary blade stirrer.
Preferably, a refining agent is added in the step (3) for refining treatment, and the mass ratio of the refining agent to pure aluminum is 100: 1-1.2.
Preferably, the temperature of the mold is maintained at 350-450 ℃ after the mold is heated in the step (6).
Preferably, the pure aluminum in the step (1) is selected to have a mass of 50kg, the potassium fluoroaluminate in the step (3) is selected to have a mass of 2kg, and the potassium fluorotitanate is selected to have a mass of 3 kg.
Preferably, the reaction temperature in the step (3) and the step (4) is kept constant, and is the same as that in the step (1).
The invention has the beneficial effects that:
according to the invention, the pure aluminum is used to replace the traditional aluminum alloy powder, the purity of aluminum is improved, the potassium fluoborate is contacted with the pure aluminum and reacts by adding the potassium fluoborate and standing for a period of time, the mixture of the potassium fluoborate and the pure aluminum is stirred by using a mechanical rotary blade type stirrer, the reaction between the potassium fluoborate and the pure aluminum is more complete, unreacted raw materials are avoided, the potassium fluoaluminate and the potassium fluotitanate are beneficial to obtaining higher boron content of the aluminum boron alloy, the mixture is subjected to slag removal treatment, the influence of impurities and generated solids on the overall purity is prevented, the purity of the mixture is ensured, the whole invention has clear thought and simple process, the high-content aluminum boron alloy can be obtained, the blank in the field in China is made up, and the practicability is high.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described with reference to the following specific embodiments, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the invention.
Specific embodiments of the present invention are described below.
Example 1
A method for manufacturing a high-content aluminum boron alloy comprises the following steps:
(1) taking 40kg of pure aluminum, putting the pure aluminum into a smelting furnace, and heating the smelting furnace to ensure that the internal temperature of the smelting furnace reaches 690-710 ℃;
(2) adding 23 potassium fluoborate into the smelting furnace in the step (1), contacting the potassium fluoborate with pure aluminum, and standing for 15 min;
(3) standing for reaction for 15min, and stirring with a stirrer for 15 min;
(4) after stirring, continuously adding 1kg of potassium fluoroaluminate and 2kg of potassium fluotitanate into the mixture, and continuously stirring for 5-10 min;
(5) removing slag from the mixture in the furnace;
(6) heating the shaped die;
(7) and (3) using boric acid as a covering agent, pouring the molten metal mixed solution in the smelting furnace into a mold, cooling and forming, and opening the mold to obtain the aluminum-boron alloy.
Example 2
A method for manufacturing a high-content aluminum boron alloy comprises the following steps:
(1) taking 50kg of pure aluminum, putting the pure aluminum into a smelting furnace, and heating the smelting furnace to ensure that the internal temperature of the smelting furnace reaches 690-710 ℃;
(2) adding 23.5kg of potassium fluoborate into the smelting furnace in the step (1), contacting the potassium fluoborate with pure aluminum, and standing for 15 min;
(3) standing for reaction for 15min, and stirring with a stirrer for 15 min;
(4) after stirring, continuously adding 2kg of potassium fluoroaluminate and 3kg of potassium fluotitanate into the mixture, and continuously stirring for 5-10 min;
(5) removing slag from the mixture in the furnace;
(6) heating the shaped die;
(7) and (3) using boric acid as a covering agent, pouring the molten metal mixed solution in the smelting furnace into a mold, cooling and forming, and opening the mold to obtain the aluminum-boron alloy.
Example 3
A method for manufacturing a high-content aluminum boron alloy comprises the following steps:
(1) taking 60kg of pure aluminum, putting the pure aluminum into a smelting furnace, and heating the smelting furnace to ensure that the internal temperature of the smelting furnace reaches 690-710 ℃;
(2) adding 24kg of potassium fluoborate into the smelting furnace in the step (1), contacting the potassium fluoborate with pure aluminum, and standing for 15 min;
(3) standing for reaction for 15min, and stirring with a stirrer for 15 min;
(4) after stirring, continuously adding 3kg of potassium fluoroaluminate and 4kg of potassium fluotitanate into the mixture, and continuously stirring for 5-10 min;
(5) removing slag from the mixture in the furnace;
(6) heating the shaped die;
(7) and (3) using boric acid as a covering agent, pouring the molten metal mixed solution in the smelting furnace into a mold, cooling and forming, and opening the mold to obtain the aluminum-boron alloy.
Example 4
A method for manufacturing a high-content aluminum boron alloy comprises the following steps:
(1) taking 50kg of aluminum alloy powder, putting the aluminum alloy powder into a smelting furnace, and heating the smelting furnace to ensure that the internal temperature of the smelting furnace reaches 690-710 ℃;
(2) adding 23.5kg of potassium fluoborate into the smelting furnace in the step (1), contacting the potassium fluoborate with pure aluminum, and standing for 15 min;
(3) standing for reaction for 15min, and stirring with a stirrer for 15 min;
(4) after stirring, continuously adding 2kg of potassium fluoroaluminate and 3kg of potassium fluotitanate into the mixture, and continuously stirring for 5-10 min;
(5) removing slag from the mixture in the furnace;
(6) heating the shaped die;
(7) and (3) using boric acid as a covering agent, pouring the molten metal mixed solution in the smelting furnace into a mold, cooling and forming, and opening the mold to obtain the aluminum-boron alloy.
Example analysis:
in examples 1 to 3, the optimum amount was found by changing the amounts of pure aluminum, potassium fluoroaluminate and potassium fluorotitanate;
example 4 compared to example 2, pure aluminum was used in example 2 and aluminum alloy powder was used in example 4.
In four groups of experimentsAfter the end, four different aluminum-boron alloys are obtained, the boron content in the four groups of aluminum-boron alloys is detected, and the results are shown in the following table:
| grouping | Example 1 | Example 2 | Example 3 | Example 4 |
| Boron content (%) | 2.8 | 3.5 | 3.3 | 2.2 |
As can be seen from the table, the boron content in example 2 was the highest, and this is the best solution.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The manufacturing method of the high-content aluminum boron alloy is characterized by comprising the following steps of:
(1) taking 40-60kg of pure aluminum, putting the pure aluminum into a smelting furnace, and heating the smelting furnace to ensure that the internal temperature of the smelting furnace reaches 690-710 ℃;
(2) adding 23-24kg of potassium fluoborate into the smelting furnace in the step (1), contacting the potassium fluoborate with pure aluminum, and standing for 15 min;
(3) standing for reaction for 15min, and stirring with a stirrer for 15 min;
(4) after stirring, continuously adding 1-3kg of potassium fluoroaluminate and 2-4kg of potassium fluotitanate into the mixture, and continuously stirring for 5-10 min;
(5) removing slag from the mixture in the furnace;
(6) heating the shaped die;
(7) and (3) using boric acid as a covering agent, pouring the molten metal mixed solution in the smelting furnace into a mold, cooling and forming, and opening the mold to obtain the aluminum-boron alloy.
2. The method for manufacturing the high-content aluminum boron alloy according to claim 1, wherein the method comprises the following steps: the stirrer used in the step (3) is a mechanical rotating blade type stirrer.
3. The method for manufacturing the high-content aluminum boron alloy according to claim 1, wherein the method comprises the following steps: and (3) adding a refining agent to carry out refining treatment, wherein the mass ratio of the refining agent to pure aluminum is 100: 1-1.2.
4. The method for manufacturing the high-content aluminum boron alloy according to claim 1, wherein the method comprises the following steps: and (3) after the mould is heated in the step (6), maintaining the temperature of the mould at 350-450 ℃.
5. The method for manufacturing the high-content aluminum boron alloy according to claim 1, wherein the method comprises the following steps: the mass of the pure aluminum selected in the step (1) is 50kg, the mass of the potassium fluoroaluminate selected in the step (3) is 2kg, and the mass of the potassium fluorotitanate selected in the step (3) is 3 kg.
6. The method for manufacturing the high-content aluminum boron alloy according to claim 1, wherein the method comprises the following steps: the reaction temperature in the step (3) and the step (4) is kept unchanged, and is the same as that in the step (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791925.8A CN111996398A (en) | 2020-08-08 | 2020-08-08 | Method for manufacturing high-content aluminum-boron alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010791925.8A CN111996398A (en) | 2020-08-08 | 2020-08-08 | Method for manufacturing high-content aluminum-boron alloy |
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| CN111996398A true CN111996398A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010791925.8A Withdrawn CN111996398A (en) | 2020-08-08 | 2020-08-08 | Method for manufacturing high-content aluminum-boron alloy |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140059A (en) * | 1986-12-03 | 1988-06-11 | Nippon Light Metal Co Ltd | High-strength aluminum alloy |
| CN101519741A (en) * | 2008-06-30 | 2009-09-02 | 河北立中有色金属集团有限公司 | Formula and production process of aluminum-boron intermediate alloy ingot |
-
2020
- 2020-08-08 CN CN202010791925.8A patent/CN111996398A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140059A (en) * | 1986-12-03 | 1988-06-11 | Nippon Light Metal Co Ltd | High-strength aluminum alloy |
| CN101519741A (en) * | 2008-06-30 | 2009-09-02 | 河北立中有色金属集团有限公司 | Formula and production process of aluminum-boron intermediate alloy ingot |
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Application publication date: 20201127 |