CN104775058A - Aluminum-boron intermediate alloy AlB8 and preparation method thereof - Google Patents
Aluminum-boron intermediate alloy AlB8 and preparation method thereof Download PDFInfo
- Publication number
- CN104775058A CN104775058A CN201510191524.8A CN201510191524A CN104775058A CN 104775058 A CN104775058 A CN 104775058A CN 201510191524 A CN201510191524 A CN 201510191524A CN 104775058 A CN104775058 A CN 104775058A
- Authority
- CN
- China
- Prior art keywords
- aluminium
- boron
- aluminum
- potassium fluoborate
- master alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses an aluminum-boron intermediate alloy AlB8 and a preparation method thereof. The aluminum-boron intermediate alloy AlB8 comprises the following components in percentage by mass: 91%-93% of an aluminum element, 7%-9% of a boron element, an aluminum ingot and potassium fluoborate, wherein the aluminum content of the used raw material for the aluminum ingot is greater than 99.70%; the boron content of the potassium fluoborate is greater than 8.4%; the mass ratio of the aluminum ingot to the potassium fluoborate is 100:(87.74-112.81); and the preparation method comprises the following steps: melting the aluminum ingot, melting the potassium fluoborate, reacting, sampling, analyzing and casting to obtain the aluminum-boron intermediate alloy AlB8. According to the aluminum-boron intermediate alloy AlB8, the risk of an open fire is reduced; the poisoning risk of a harmful gas is reduced; the pollution of gases and harmful particles in a workshop is avoided; the environment pollution is avoided; the production cycle is shortened; the component consistency of the alloy is ensured; the quality of the aluminum-boron intermediate alloy AlB8 is improved; the boron content in the cast aluminum-boron intermediate alloy AlB8 can reach 7%-9%, and is nearly three times of that of an old process in the national standard; and the tenacity is very good.
Description
Technical field
The present invention relates to the preparation of contained aluminium-base intermediate alloy, specifically a kind of aluminium boron master alloy AlB
8and preparation method thereof.
Background technology
In current People's Republic of China's non-ferrous metal industry standard, about the standard of aluminium boron master alloy, only has aluminium boron master alloy AlB
3and AlB
1, aluminium boron master alloy AlB
3ingredient standard: B content is 2.5-3.5%, and surplus is Al, impurity Cu content≤0.10%, Si content≤0.20%, Fe content≤0.40%, Zn content≤0.10%, and temperature of fusion is 800 DEG C, has toughness; Aluminium boron master alloy AlB
1ingredient standard: B content is 0.5-1.5%, and surplus is Al, and impurity Cu content≤0.10%, Si content≤0.20%, Fe content≤0.30%, Zn content≤0.10%, temperature of fusion is 800 DEG C, has toughness.Its production technique of national regulations is: with aluminium ingot and potassium fluoborate for raw material, first melt aluminium ingot, then add potassium fluoborate, hand mixing, do low power analysis, be up to the standards, casting.The Boron contents of the aluminium boron master alloy adopting GB production technique to obtain is too low.
Summary of the invention
The object of the present invention is to provide that a kind of Boron contents is high, toughness extraordinary aluminium boron master alloy AlB
8and preparation method thereof.
For achieving the above object, the invention provides following technical scheme:
A kind of aluminium boron master alloy AlB
8, its mass percent composition is: aluminium element content is 91-93%, boron content is 7-9%.
As the further scheme of the present invention: described aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and described boron is provided by the potassium fluoborate of Boron contents > 8.4%.
As the further scheme of the present invention: described aluminium ingot: the mass ratio of potassium fluoborate is 100:87.74-112.81.
As the further scheme of the present invention: described potassium fluoborate is Powdered.
Described aluminium boron master alloy AlB
8preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the potassium fluoborate of Boron contents > 8.4% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to 665-680 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, then the potassium fluoborate got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and potassium fluoborate alloying, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.35-0.6, and reaction 8-20 minute, skims;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, casting.
As the further scheme of the present invention: described catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of described carbonaceous pulvis is the 0.1-0.45% of blend melt quality, and the add-on of described zirconium powder is the 0.15-0.25% of blend melt quality.
As the further scheme of the present invention: described carbonaceous pulvis is the one or more kinds of mixtures in gac, carbon black, natural graphite, oildag, crystalline flake graphite.
Compared with prior art, the invention has the beneficial effects as follows: the present invention utilizes electric furnace to carry out the melting of alloy, every pot consuming time 3 hours, once can produce the aluminium boron master alloy AlB of 500kg
8, the present invention takes electricity charge low ebb mode of operation, the electric rate of whole day is divided into several interval, and (the 8:00-12:00 electricity charge are 1.38 yuan/degree, the 12:00-17:00 electricity charge are 0.84 yuan/degree, the 17:00-21:00 electricity charge are 1.38 yuan/degree, the 21:00-24:00 electricity charge are 0.84 yuan/degree, the 0:00-8:00 electricity charge are 0.33 yuan/degree, the average electricity charge of whole day are 0.85 yuan), contrast electric cost and burn coal cost known, electric furnace is produced suitable with burning coal cost, but utilize electric furnace to carry out melting, have the following advantages: reduce naked light risk, poisonous gas poisoning risk, avoid the workshop gas that tradition burning coal causes, deleterious particle thing pollutes, environmentally safe, environmental protection, the present invention adopts magnetic stirring equipment to replace hand mixing, and the rotating speed of magnetic stirring equipment is 60r/min, not only shortens the production cycle, especially stirs very even, ensure that aluminium boron master alloy AlB
8content consistency, improve aluminium boron master alloy AlB
8quality, the present invention casts the aluminium boron master alloy AlB obtained
8middle Boron contents can reach 7-9%, be nearly 3 times of GB old explained hereafter Boron contents, and toughness is very good.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of aluminium boron master alloy AlB
8, its mass percent composition is: aluminium element content is 93%, boron content is 7%.Aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and boron is provided by the potassium fluoborate of Boron contents > 8.4%.Aluminium ingot: the mass ratio of potassium fluoborate is 100:87.74, and potassium fluoborate is Powdered.
Described aluminium boron master alloy AlB
8preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the potassium fluoborate of Boron contents > 8.4% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to 665-680 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, then the potassium fluoborate got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and potassium fluoborate alloying, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.55, catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of carbonaceous pulvis is 0.3% of blend melt quality, the add-on of zirconium powder is 0.25% of blend melt quality, carbonaceous pulvis is oildag, and reaction 8-20 minute, skims;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, casting.
Embodiment 2
In the embodiment of the present invention, a kind of aluminium boron master alloy AlB
8, its mass percent composition is: aluminium element content is 92%, boron content is 8%.Aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and boron is provided by the potassium fluoborate of Boron contents > 8.4%.Aluminium ingot: the mass ratio of potassium fluoborate is 100:101.37, and potassium fluoborate is Powdered.
Described aluminium boron master alloy AlB
8preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the potassium fluoborate of Boron contents > 8.4% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to 665-680 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, then the potassium fluoborate got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and potassium fluoborate alloying, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.6, catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of carbonaceous pulvis is 0.45% of blend melt quality, the add-on of zirconium powder is 0.15% of blend melt quality, carbonaceous pulvis is the mixture of carbon black and oildag, and reaction 8-20 minute, skims;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, casting.
Embodiment 3
In the embodiment of the present invention, a kind of aluminium boron master alloy AlB
8, its mass percent composition is: aluminium element content is 91%, boron content is 9%.Aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and boron is provided by the potassium fluoborate of Boron contents > 8.4%.Aluminium ingot: the mass ratio of potassium fluoborate is 100:112.81, and potassium fluoborate is Powdered.
Described aluminium boron master alloy AlB
8preparation method, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the potassium fluoborate of Boron contents > 8.4% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to 665-680 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, then the potassium fluoborate got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and potassium fluoborate alloying, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is the ratio interpolation catalyzer of 100:0.35, catalyzer comprises carbonaceous pulvis and carbon dust, the add-on of carbonaceous pulvis is 0.1% of blend melt quality, the add-on of zirconium powder is 0.25% of blend melt quality, carbonaceous pulvis is the mixture of gac and crystalline flake graphite, and reaction 8-20 minute, skims;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, casting.
The present invention utilizes electric furnace to carry out the melting of alloy, and every pot consuming time 3 hours, once can produce the aluminium boron master alloy AlB of 500kg
8, the present invention takes electricity charge low ebb mode of operation, the electric rate of whole day is divided into several interval, and (the 8:00-12:00 electricity charge are 1.38 yuan/degree, the 12:00-17:00 electricity charge are 0.84 yuan/degree, the 17:00-21:00 electricity charge are 1.38 yuan/degree, the 21:00-24:00 electricity charge are 0.84 yuan/degree, the 0:00-8:00 electricity charge are 0.33 yuan/degree, the average electricity charge of whole day are 0.85 yuan), contrast electric cost and burn coal cost known, electric furnace is produced suitable with burning coal cost, but utilize electric furnace to carry out melting, have the following advantages: reduce naked light risk, poisonous gas poisoning risk, avoid the workshop gas that tradition burning coal causes, deleterious particle thing pollutes, environmentally safe, environmental protection.
The present invention adopts magnetic stirring equipment to replace hand mixing, and the rotating speed of magnetic stirring equipment is 60r/min, not only shortens the production cycle, especially stirs very even, ensure that aluminium boron master alloy AlB
8content consistency, improve aluminium boron master alloy AlB
8quality.
The present invention casts the aluminium boron master alloy AlB obtained
8middle Boron contents can reach 7-9%, be nearly 3 times of GB old explained hereafter Boron contents, and toughness is very good.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. an aluminium boron master alloy AlB
8, it is characterized in that, its mass percent composition is: aluminium element content is 91-93%, boron content is 7-9%.
2. aluminium boron master alloy AlB according to claim 1
8, it is characterized in that, described aluminium element is provided by the aluminium ingot of aluminium content > 99.70%, and described boron is provided by the potassium fluoborate of Boron contents > 8.4%.
3. aluminium boron master alloy AlB according to claim 2
8, it is characterized in that, described aluminium ingot: the mass ratio of potassium fluoborate is 100:87.74-112.81.
4. aluminium boron master alloy AlB according to claim 2
8, it is characterized in that, described potassium fluoborate is Powdered.
5. one kind as arbitrary in claim 1-4 as described in aluminium boron master alloy AlB
8preparation method, it is characterized in that, comprise the following steps:
(1) aluminium ingot of aluminium content > 99.70%, the potassium fluoborate of Boron contents > 8.4% is taken in proportion, for subsequent use;
(2) aluminium ingot got ready is put into electric furnace, with the speed of 20 DEG C/min, aluminium ingot is heated to 665-680 DEG C, aluminium ingot is melted;
(3) after aluminium ingot melts completely, then the potassium fluoborate got ready is joined in the molten aluminium of fusing; Adopt magnetic stirrer to carry out stirring 3-8 minute to melt, make aluminium ingot and potassium fluoborate alloying, obtain blend melt;
(4) blend melt is left standstill insulation, according to blend melt: the mass ratio of catalyzer is that the ratio of 100:0.35-0.6 adds catalyzer, and reaction 8-20 minute, skims, then add levelling agent and carry out homogenizing 30-45 minute;
(5) reacted melt is sampled, carry out low power analysis, composition analysis;
(6) to be tested qualified after, casting.
6. aluminium boron master alloy AlB according to claim 5
8preparation method, it is characterized in that, described catalyzer comprises carbonaceous pulvis and carbon dust, and the add-on of described carbonaceous pulvis is the 0.1-0.45% of blend melt quality, and the add-on of described zirconium powder is the 0.15-0.25% of blend melt quality.
7. aluminium boron master alloy AlB according to claim 6
8preparation method, it is characterized in that, described carbonaceous pulvis is the one or more kinds of mixtures in gac, carbon black, natural graphite, oildag, crystalline flake graphite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191524.8A CN104775058A (en) | 2015-04-22 | 2015-04-22 | Aluminum-boron intermediate alloy AlB8 and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191524.8A CN104775058A (en) | 2015-04-22 | 2015-04-22 | Aluminum-boron intermediate alloy AlB8 and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104775058A true CN104775058A (en) | 2015-07-15 |
Family
ID=53616820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191524.8A Pending CN104775058A (en) | 2015-04-22 | 2015-04-22 | Aluminum-boron intermediate alloy AlB8 and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104775058A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916342A (en) * | 2017-11-29 | 2018-04-17 | 河北晶宝新金属有限公司 | A kind of production technology of aluminum-boron alloy bar |
| CN111519054A (en) * | 2020-04-20 | 2020-08-11 | 河南中孚技术中心有限公司 | Aluminum intermediate alloy material for high-efficiency purification of high-purity aluminum and production method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020828A (en) * | 2000-07-06 | 2002-01-23 | Mitsubishi Heavy Ind Ltd | Aluminum alloy material, its production method and basket and cask using the same |
| 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 |
-
2015
- 2015-04-22 CN CN201510191524.8A patent/CN104775058A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020828A (en) * | 2000-07-06 | 2002-01-23 | Mitsubishi Heavy Ind Ltd | Aluminum alloy material, its production method and basket and cask using the same |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 中国国家标准化管理委员会: "《GB/T27677-2011 铝中间合金》", 30 December 2011 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916342A (en) * | 2017-11-29 | 2018-04-17 | 河北晶宝新金属有限公司 | A kind of production technology of aluminum-boron alloy bar |
| CN111519054A (en) * | 2020-04-20 | 2020-08-11 | 河南中孚技术中心有限公司 | Aluminum intermediate alloy material for high-efficiency purification of high-purity aluminum and production method thereof |
| CN111519054B (en) * | 2020-04-20 | 2021-05-18 | 河南中孚技术中心有限公司 | Aluminum intermediate alloy material for high-efficiency purification of high-purity aluminum and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101638786B (en) | High-potential sacrificial magnesium alloy anode and manufacturing method thereof | |
| CN101532861B (en) | A method for manufacturing water meter housing by high strength cast aluminum alloy and a product thereof | |
| CN109306412B (en) | Refining agent for aluminum and aluminum alloy and preparation method thereof | |
| CN102650001B (en) | Scrap copper aluminum-removal complexing agent and method for producing same | |
| CN102828063A (en) | Novel lead-free environment-friendly high-strength wear-resistant copper-base alloy bar and preparation method thereof | |
| LU500368B1 (en) | Preparation method for copper or copper alloy material, and refining agent for refining | |
| CN104862549A (en) | Silicon-aluminum intermediate alloy AlSi50 and preparation method thereof | |
| CN103614580B (en) | A kind of method of efficient melting Galfan alloy | |
| CN103146943A (en) | Red impure copper refining agent and preparation method thereof | |
| CN103409628A (en) | Method for preparing titanium-aluminum alloy | |
| CN103468987A (en) | Preparation method of flame-retardant magnesium alloy | |
| CN104775058A (en) | Aluminum-boron intermediate alloy AlB8 and preparation method thereof | |
| CN101885044B (en) | Covering agent used for vertical semi-continuous casting of aluminum bronze and application thereof | |
| CN101368237B (en) | Process for producing silicon particle reinforced zinc based composite material | |
| CN100542731C (en) | The preparation method of solder of phosphorus-copper alloy | |
| CN105063436A (en) | Silicon and aluminum alloy material used for novel cylinder cover and preparation method of silicon and aluminum alloy material | |
| CN105986136A (en) | High-performance aluminum alloy added with rare earth element and preparation method of high-performance aluminum alloy | |
| CN103667732B (en) | A kind of method of esr | |
| CN104805333A (en) | Aluminium-chromium intermediate alloy AlCr20 and preparation method thereof | |
| CN103060628B (en) | A kind of Al-Si aluminum alloy materials rotten containing P title complex and preparation method thereof | |
| CN100582275C (en) | Aluminium alloy manganese additive containing boride | |
| CN101435035A (en) | High-strength wear resistant brass | |
| CA1137761A (en) | Method for adding manganese to a molten magnesium bath | |
| CN106636668A (en) | Waste electromagnetic wire copper refining agent and preparation method and application thereof | |
| CN105986141A (en) | Aluminum alloy material achieving safe and environment-friendly production process and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150715 |