CN103192064A - Al-Ti-B-C refiner and preparation method - Google Patents
Al-Ti-B-C refiner and preparation method Download PDFInfo
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- CN103192064A CN103192064A CN2013101526556A CN201310152655A CN103192064A CN 103192064 A CN103192064 A CN 103192064A CN 2013101526556 A CN2013101526556 A CN 2013101526556A CN 201310152655 A CN201310152655 A CN 201310152655A CN 103192064 A CN103192064 A CN 103192064A
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Abstract
The invention discloses an Al-Ti-B-C refiner and a preparation method, belonging to the technical field of a refiner. The refiner phase comprises alpha-Al, TiAl3, TiC and TiB2. The refiner comprises the following components in percentage by weight: 5% of Ti, 0.1-0.3% of C, 0.5-1% of B and the balance of Al, wherein the mass ratio of B to C is 4/1. The preparation method comprises the following steps of: uniformly mixing the B4C powder and the titanium powder; heating at 300 DEG C for 2 hours to remove moisture; heating to melt an aluminum ingot to cover cryolite; heating the melt to the required reaction temperature; spreading the mixed powder to the surface of the aluminum melt; stirring for reaction; pressing C2Cl6 and refining; and slagging off and pouring. According to the invention, the problem of difficult preparation of TiC particles is solved, an efficient refiner containing TiB2 is prepared, and a melt reaction method has a simple preparation process and is easy to operate.
Description
Technical field
The invention belongs to the fining agent technical field, particularly a kind of aluminium alloy compound fining agent and preparation method.
Background technology
Adding grain refiner not only can refinement as cast condition crystal grain, and the refinement arborescent structure can also reduce loosely, reduces hot cracking tendency, reduces casting flaw, improves follow-up processing characteristics.Along with the research to the aluminium alloy fining agent, develop the Al-Ti-C grain refiner in recent years.TiC particle size in the Al-Ti-C grain refiner is little, be difficult for to assemble, and is evenly distributed, and has advantage such as good coherency with Al, and be subjected to extensive concern.Because the wetability of C in Al be relatively poor, prepare very difficultly, prepare the Al-Ti-C grain refiner by strong agitation or pyroreaction, increased preparation cost, limited the extensive use of Al-Ti-C grain refiner.The simple substance graphite powder is added with the form of oxide, can solve graphite wetting problem in aluminum melt, improve preparation efficiency.
Summary of the invention
The present invention adopts melting-reaction method with cost, develops a kind of efficient, long-acting, clean Al-Ti-B-C composite modifying-refining agent.
For addressing the above problem, this patent main technical schemes is: utilize melting-reaction method, prepare a kind of composite modifying-refining agent.
1, a kind of Al-Ti-B-C composite modifying-refining agent comprises following mass percent component, Ti:5wt%, and C:0.1-0.3wt%, B:0.5-1wt%, surplus is Al; The mass ratio of B/C=4/1, fining agent thing comprise that mutually α-Al, TiAl3, TiC, TiB2 equate.The TiC particle size is below 0.5 μ m in the fining agent, evenly distributes and is spherical; TiB2 and is loose bulk below 2 μ m; Below the TiAl3 particle 10um, evenly distribute, and become block.The fining agent of its preparation not only comprises TiC, also comprises TiB2 simultaneously, has solved the problem of Al-Ti-C preparation difficulty.
The preparation method of above-mentioned composite modifying-refining agent, Ti powder and B
4The melting-reaction method preparation is adopted in the Powdered adding of C, specifically may further comprise the steps:
(1) raw material is prepared, on request weighing titanium valve, B
4C powder, aluminium ingot, Ti:5wt%, the mass ratio of B/C=4/1, aluminium ingot purity 99.9%;
(2) with titanium valve, B
4The C powder, mix, moisture was removed in 300 ℃ of heating in 2 hours;
(3) utilize well formula resistance furnace that aluminium ingot is heated to 780-800 ℃, treat that aluminium ingot melts fully, cover one deck ice crystal coverture; Melt is warming up to 800-900 ℃, the powder that heats evenly is sprinkling upon aluminium melt surface, graphite rod evenly stirs, reaction 10min; After reaction is finished, leave standstill 5min, be pressed into C
2Cl
6Refining is skimmed, and aluminum melt is poured in the punching block of 250 ℃ of preheatings, obtains the Al-Ti-B-C composite refining agent.
Above-mentioned preferred ice crystal and C
2Cl
6At 100 ℃ of heating 1h, remove moisture; With instrument brushing one coatings such as mould and the spoons of skimming, prevent that the Fe impurity element from polluting fining agent.Select for use graphite crucible to carry out melting, graphite rod stirs, and prevents the pollution of Si.
Titanium valve 325 orders, B
4C powder purity is greater than 90%.Aluminum melt reaches uniform temperature, is sprinkled into mixed-powder, evenly stirs, and it is reacted.
The invention solves the difficult problem of TiC preparation, the fining agent of preparation also comprises TiB simultaneously
2, improved the fining agent efficient of preparation, be a kind of stable, long-acting, Al-Ti-B-C composite modifying-refining agent efficiently.
The specific embodiment
Embodiment 1
It is as follows that melting-reaction method prepares Al-5Ti-1B-0.25C fining agent process:
1. raw material is prepared, and fining agent is by aluminium ingot, titanium valve, B
4C, C
2Cl
6Prepare with the ice crystal coverture.Wherein aluminium ingot purity 99.9%, powder size, Ti powder 325 orders, B
4C powder purity is greater than 90%.
2. the fining agent for preparing 1Kg, weighing B on request
4C, titanium valve, aluminium ingot, aluminium burn out rate are 3%.Require Ti:5wt%, the mass ratio of B/C=4/1, surplus is Al;
3. with titanium valve, B
4The C powder is even, and moisture was removed in 300 ℃ of heating in 2 hours
4. ice crystal and C
2Cl
6At 100 ℃ of heating 1h, remove moisture.
5. with instrument brushing one coatings such as mould and the spoons of skimming, prevent that the Fe impurity element from polluting fining agent.Select for use graphite crucible to carry out melting, graphite rod stirs, and prevents the pollution of Si.
6. utilize well formula resistance furnace that the aluminium ingot of cleaning is heated to 780 ℃, treat that aluminium ingot melts fully, cover one deck ice crystal, prevent the oxidation of aluminium and air-breathing.Furnace temperature is risen to 850 ℃ again, the powder that mixes after the heating is sprinkling upon aluminium melt surface, graphite rod evenly stirs, and it is reacted, reaction 10min; The C that adds 3%wt
2Cl
6Carry out the refining degasification, leave standstill 5min; Remove slag and the oxide skin on surface with the spoon of skimming; Treat that temperature reduces to 720 ℃, be poured in 250 ℃ of punching blocks of preheating, obtain the Al-5Ti-1B-0.25C composite refining agent.The fining agent of this method preparation, particle size is little, and is evenly distributed.
Embodiment 2
Melting-reaction method prepares the A1-5Ti-0.4B-0.1C fining agent
Will be by aluminium ingot, titanium valve, B
4The C powder is by composition requirement proportioning, and titanium valve, B4C powder is even, and moisture was removed in 300 ℃ of heating in 2 hours.Utilize well formula resistance furnace that the aluminium ingot of cleaning is heated to 780 ℃, treat that aluminium ingot melts fully, cover one deck ice crystal, prevent the oxidation of aluminium and air-breathing; Furnace temperature is risen to 900 ℃, be sprinkled into the powder that mixes, graphite rod evenly stirs, and it is reacted, reaction 10min; The C that adds 3%wt
2Cl
6Carry out the refining degasification, leave standstill 5min; Remove slag and the oxide skin on surface with the spoon of skimming; Treat that temperature reduces to 720 ℃, be poured in 250 ℃ of punching blocks of preheating, obtain the Al-5Ti-0.4B-0.1C fining agent.
Claims (8)
1. an Al-Ti-B-C fining agent and preparation method is characterized in that, comprise following mass percent component, Ti:5wt%, and C:0.1-0.3wt%, B:0.5-1wt%, surplus is Al; The mass ratio of B/C=4/1, the fining agent thing comprises α-Al, TiAl mutually
3, TiC, TiB
2
2. Al-Ti-B-C fining agent according to claim 1 and preparation method is characterized in that, the TiC particle size evenly distributes and is spherical below 0.5 μ m in the fining agent; TiB
2Below 2 μ m, and be loose bulk; TiAl
3Below the particle 10um, evenly distribute, and become block.
3. Al-Ti-B-C fining agent according to claim 1 and preparation method is characterized in that, the mass ratio of B/C=4/1.
4. Al-Ti-B-C fining agent according to claim 1 and preparation method is characterized in that, may further comprise the steps:
(1) raw material is prepared, on request weighing B
4C powder, titanium valve, aluminium ingot, aluminium ingot purity 99.9%;
(2) with titanium valve, B
4The C powder is even, and moisture was removed in 300 ℃ of heating in 2 hours;
(3) utilize well formula resistance furnace that aluminium ingot is heated to 780-800 ℃, treat that aluminium ingot melts fully, cover one deck ice crystal coverture; Melt is warming up to 800-900 ℃ again, the powder that heats evenly is sprinkling upon aluminium melt surface, graphite rod evenly stirs, reaction 10min; After reaction is finished, leave standstill 5min, be pressed into C
2Cl
6Refining is skimmed, and aluminum melt is poured in the punching block of 250 ℃ of preheatings, obtains the Al-Ti-B-C modifying-refining agent.
5. Al-Ti-B-C fining agent according to claim 4 and preparation method is characterized in that, ice crystal and C
2Cl
6At 100 ℃ of heating 1h, remove moisture.
6. Al-Ti-B-C fining agent according to claim 4 and preparation method is characterized in that, with mould and spoonful instrument brushing one coating of skimming, prevent that the Fe impurity element from polluting fining agent.
7. Al-Ti-B-C fining agent according to claim 4 and preparation method is characterized in that, select for use graphite crucible to carry out melting, and graphite rod stirs, and prevents the pollution of Si.
8. Al-Ti-B-C fining agent according to claim 4 and preparation method is characterized in that, titanium valve 325 orders, B
4C purity is greater than 90%.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105018796A (en) * | 2014-05-02 | 2015-11-04 | 现代自动车株式会社 | High-elasticity aluminum alloy and method of manufacturing the same |
| CN107190161A (en) * | 2017-05-12 | 2017-09-22 | 北京工业大学 | A kind of Al TiB of large volume fraction2Pure phase intermediate alloy and preparation method |
| CN108018443A (en) * | 2017-06-12 | 2018-05-11 | 吉林大学 | Nanometer TiB for aluminum alloy organization's refinement2Grain refiner and thinning method |
| CN112746195A (en) * | 2020-12-30 | 2021-05-04 | 吉林大学 | Recession-resistant refiner, preparation method and application thereof, aluminum alloy and refining method thereof |
| CN112921203A (en) * | 2021-01-25 | 2021-06-08 | 广东工程职业技术学院 | Grain refiner for regenerated aluminum alloy and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046945A (en) * | 1990-04-18 | 1990-11-14 | 沈阳工业大学 | Quaternary grain refiner and manufacture method thereof |
| CN1088996A (en) * | 1993-11-18 | 1994-07-06 | 沈阳工业大学 | A kind of novel master alloy fining agent |
| CN101591740A (en) * | 2009-06-22 | 2009-12-02 | 济南大学 | A kind of preparation method of Al-Ti-B-C master alloy refiner |
| CN102644010A (en) * | 2012-04-11 | 2012-08-22 | 北京工业大学 | Al-Ti-B-Er refiner and preparation method thereof |
| CN102703738A (en) * | 2012-05-17 | 2012-10-03 | 上海交通大学 | Preparation method of Al-Ti-B-C quaternary grain refiner |
-
2013
- 2013-04-25 CN CN2013101526556A patent/CN103192064A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046945A (en) * | 1990-04-18 | 1990-11-14 | 沈阳工业大学 | Quaternary grain refiner and manufacture method thereof |
| CN1088996A (en) * | 1993-11-18 | 1994-07-06 | 沈阳工业大学 | A kind of novel master alloy fining agent |
| CN101591740A (en) * | 2009-06-22 | 2009-12-02 | 济南大学 | A kind of preparation method of Al-Ti-B-C master alloy refiner |
| CN102644010A (en) * | 2012-04-11 | 2012-08-22 | 北京工业大学 | Al-Ti-B-Er refiner and preparation method thereof |
| CN102703738A (en) * | 2012-05-17 | 2012-10-03 | 上海交通大学 | Preparation method of Al-Ti-B-C quaternary grain refiner |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105018796A (en) * | 2014-05-02 | 2015-11-04 | 现代自动车株式会社 | High-elasticity aluminum alloy and method of manufacturing the same |
| CN105018796B (en) * | 2014-05-02 | 2019-06-25 | 现代自动车株式会社 | High resiliency aluminium alloy and its manufacturing method |
| US10392681B2 (en) | 2014-05-02 | 2019-08-27 | Hyundai Motor Company | High-elasticity aluminum alloy and method of manufacturing the same |
| US11066729B2 (en) | 2014-05-02 | 2021-07-20 | Hyundai Motor Company | High-elasticity aluminum alloy and method of manufacturing the same |
| DE102014221432B4 (en) | 2014-05-02 | 2022-12-29 | Hyundai Motor Company | Highly elastic aluminum alloy and method for its manufacture |
| CN107190161A (en) * | 2017-05-12 | 2017-09-22 | 北京工业大学 | A kind of Al TiB of large volume fraction2Pure phase intermediate alloy and preparation method |
| CN107190161B (en) * | 2017-05-12 | 2019-07-05 | 北京工业大学 | A kind of Al-TiB2 pure phase master alloy with large volume fraction and preparation method thereof |
| CN108018443A (en) * | 2017-06-12 | 2018-05-11 | 吉林大学 | Nanometer TiB for aluminum alloy organization's refinement2Grain refiner and thinning method |
| CN108018443B (en) * | 2017-06-12 | 2019-10-08 | 吉林大学 | Nanometer TiB for aluminum alloy organization's refinement2Grain refiner and thinning method |
| CN112746195A (en) * | 2020-12-30 | 2021-05-04 | 吉林大学 | Recession-resistant refiner, preparation method and application thereof, aluminum alloy and refining method thereof |
| CN112746195B (en) * | 2020-12-30 | 2022-02-01 | 吉林大学 | Recession-resistant refiner, preparation method and application thereof, aluminum alloy and refining method thereof |
| CN112921203A (en) * | 2021-01-25 | 2021-06-08 | 广东工程职业技术学院 | Grain refiner for regenerated aluminum alloy and preparation method and application thereof |
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Application publication date: 20130710 |