CN1065921C - Iron-carbon-boron composite refining agent for aluminium and aluminium alloy - Google Patents
Iron-carbon-boron composite refining agent for aluminium and aluminium alloy Download PDFInfo
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- CN1065921C CN1065921C CN97104146A CN97104146A CN1065921C CN 1065921 C CN1065921 C CN 1065921C CN 97104146 A CN97104146 A CN 97104146A CN 97104146 A CN97104146 A CN 97104146A CN 1065921 C CN1065921 C CN 1065921C
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- Prior art keywords
- aluminium
- carbon
- boron
- iron
- present
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 47
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 24
- 239000004411 aluminium Substances 0.000 title claims description 43
- 238000007670 refining Methods 0.000 title claims description 16
- 239000003795 chemical substances by application Substances 0.000 title claims description 12
- 239000002131 composite material Substances 0.000 title claims description 12
- XWUMVWIMDPKHAP-UHFFFAOYSA-N [C].[B].[Fe] Chemical compound [C].[B].[Fe] XWUMVWIMDPKHAP-UHFFFAOYSA-N 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 229910052796 boron Inorganic materials 0.000 claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000010936 titanium Substances 0.000 claims description 27
- 239000006025 fining agent Substances 0.000 claims description 25
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 9
- PPWPWBNSKBDSPK-UHFFFAOYSA-N [B].[C] Chemical compound [B].[C] PPWPWBNSKBDSPK-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000005728 strengthening Methods 0.000 abstract description 5
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000010899 nucleation Methods 0.000 abstract description 2
- 230000006911 nucleation Effects 0.000 abstract description 2
- 230000002269 spontaneous effect Effects 0.000 abstract description 2
- 150000001639 boron compounds Chemical class 0.000 abstract 4
- 238000002425 crystallisation Methods 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007712 rapid solidification Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000002667 nucleating agent Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 229910017143 AlSr Inorganic materials 0.000 description 1
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910033181 TiB2 Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a composition and a preparing method of a novel ferrum, carbon and boron compound refiner class, and an application of the ferrum, carbon and boron compound refiner class for a micro-crystallization, strengthening and toughening technology of aluminum and aluminum alloy. The present invention provides a preparing method of ferrum, carbon and boron compound refiners and an application of the ferrum, carbon and boron compound refiners for a micro-crystallization, strengthening and toughening technology of aluminum and aluminum alloy. The present invention is characterized in that the refiner class comprises the main components of Al, Ti, Fe, B, C and additional elements and is characterized in that a second-phase mass point of in-situ automatic synthesis is used for the micro-crystallization generated by a non-spontaneous nucleation core and is combined with the second-phase strengthening function of the second-phase mass point so as to cause aluminum and aluminum alloy to reach micro-crystallization, strengthening and toughening. The present invention has the advantages of low cost and high benefit and is suitable for large-scale industrial production.
Description
The present invention relates to the novel ferrotianium boron of class carbon composite refining agent composition, prepare and be applied to the micritization and the reinforcement toughening process of aluminium and aluminium alloy.
Realize micritization and and then reach highly malleablized, be the important and general research topic that exists in aluminium and aluminium alloy and other metallic substance.Research to grain refining at present mainly comprises two approach, i.e. physical method and chemical process.Specific form is just like rapid solidification, mechanical stirring and interpolation nucleating agent (grain-refining agent) etc., wherein the most effective practicality and economic method is to add nucleating agent.For commercial-purity aluminium and aluminium alloy, the fining agent that uses is AlTiB at present, AlSr, AlTiC, master alloys such as AlRe, wherein Al5Ti1B is one of at present universally acknowledged best grain-refining agent, but thinning effect is unsatisfactory, according to German KBM corporate statistics, add-on is 2 kilograms/ton, and crystal grain can refine to the 274-295 micron, and in use also exist action time short, easily lost efficacy with and the thick TiB2 particle that in alloy, forms can damage roll when the hot rolling, influence the problems such as surface quality of aluminium foil, and can not refinement contain the aluminium alloy of Zr.Though and the AlTiC fining agent that the eighties is developed can refinement multiple alloy, comprise the aldural that contains Zr and Cr, performance is stable not enough, and to the grain refining effect of general aluminium alloy also no more than AlTiB.In a word, the refining effect of these master alloys can't make aluminium alloy performance particularly obdurability improved significantly.
Research for micritization, also has the other method, such as powder metallurgy and rapid solidification, but these methods all have significant limitation in actual applications, powder metallurgy depends on the economy and the production efficiency of powdered preparation in enormous quantities, and rapid solidification can only prepare powder, filament and thin plate, and the high speed of cooling that requires also is extremely inaccessible in actual production.
The present invention is directed to the deficiency of existing method, develop a class NEW TYPE OF COMPOSITE fining agent, promptly based on liquid-solid-phase changeable theory and in-situ authigenic synthetic technology, be intended to by the synthetic fine second-phase dispersion particle of liquid-solid-phase changeable in-situ authigenic, cause aluminium and aluminium alloy height micritization and highly malleablized, thereby reach the purpose of high-strength high-plasticity high tenacity.Be characterized in the in-situ authigenic synthetic second phase particle is produced micritization as non-spontaneous nucleation core, with its second mutually strengthening effect combine, make aluminium and aluminium alloy reach micritization and highly malleablized.The low-cost high-efficiency benefit is adapted to extensive chemical industry production.
The present invention proposes the ferrotianium boron carbon composite refining agent of a kind of aluminium and aluminium alloy, it is characterized in that: such fining agent is made up of the strontium or the mishmetal of aluminium (Al), titanium (Ti), iron (Fe), boron (B), carbon (C) and reinforcement micritization effect, and the content of each composition is:
Component content (weight %)
Aluminium (Al) 83.00-99.987
Titanium (Ti) 0.010-6.000
Iron (Fe) 0.001-5.000
Boron (B) 0.001-3.500
Carbon (C) 0.001-2.500
Strontium, mishmetal 0.000-3.000
The ferrotianium boron carbon composite refining agent of said aluminium of the present invention and aluminium alloy is characterized in that, can be made up of following composition range:
Component content (weight %)
Aluminium (Al) 92.750-99.987
Titanium (Ti) 0.010-4.500
Iron (Fe) 0.001-0.050
Boron (B) 0.001-1.500
Carbon (C) 0.001-1.000
The ferrotianium boron carbon composite refining agent of said aluminium of the present invention and aluminium alloy is characterized in that, can be made up of following composition range:
Component content (weight %)
Aluminium (Al) 83.000-99.985
Titanium (Ti) 0.010-6.000
Iron (Fe) 0.001-4.000
Boron (B) 0.001-3.000
Carbon (C) 0.001-2.000
Strontium (Sr) 0.001-1.000
Mishmetal (RE) 0.000-1.200
The method that the present invention prepares above-mentioned fining agent is, is ready to raw materials such as aluminium, titanium, iron, boron and carbon by each components in proportions of design requirements in advance;
Heat up in crucible furnace or induction furnace and dissolve, the refining slagging-off is cast into ingot, promptly obtains each required constituents and the different shape fining agent of (comprising silk, rod, particle and ingot etc.).
In the ferrotianium boron carbon composite refining agent technological process of this eka-aluminum and aluminium alloy, said fining agent addition is 0.1-2.0 kilogram/ton, and treatment temp is 650-760 ℃, is not less than 1-2 hour working lipe.
Such NEW TYPE OF COMPOSITE fining agent is applicable to the micritization and the highly malleablized of commercial-purity aluminium and all kinds of aluminium alloys.As, to commercial-purity aluminium, grain-size can refine to below the 100 μ m; To aluminium alloy, grain-size can refine to below the 150-200 μ m.Simultaneously, the intensity of commercial-purity aluminium and all kinds of aluminium alloys, plasticity and toughness all are significantly improved.
Embodiment of the present invention are described in detail as follows:
Embodiment 1
When being applied to commercial-purity aluminium, its composition range:
Component content (weight %)
Aluminium (Al) 94.999
Titanium (Ti) 3.500
Iron (Fe) 0.001
Boron (B) 0.500
Carbon (C) 1.000
Embodiment 2
Fining agent when being applied to hypoeutectic and cocrystallizing type aluminum silicon alloy, its composition range:
Component content (weight %)
Aluminium (Al) 90.490
Titanium (Ti) 2.5000
Iron (Fe) 3.5000
Boron (B) 2.5000
Carbon (C) 1.000
Strontium (Sr) 0.005
Mishmetal (RE) 0.005
Embodiment 3
The micritization of commercial-purity aluminium and highly malleablized:
Commercial-purity aluminium 100 grams, about 760 ℃ of melt Heating temperature, fining agent add-on 0.1-2.0 gram/1000 gram aluminium, the component of fining agent and proportioning are:
Component content (weight %)
Titanium (Ti) 3.500
Iron (Fe) 0.001
Boron (B) 0.500
Molten aluminium was incubated 15 minutes to 2 hours after aluminium (Al) replenished surplus adding fining agent, was cast into 40 millimeters of diameters, high 45 millimeters cylinder ingots in metal mold, and the grain-size at 15 millimeters places is about 100 microns apart from the bottom surface.The tensile property of 12 millimeters standard gold genotype samples is
(μ m) σ b (MPa) σ 0.2 (MPa) 1 (%) do not add fining agent 2000-3000 30-40 20-25 45-50 and adds fining agent ~ 100 70-75 50-60 80-85
Embodiment 4
The micritization of cast aluminium 107 and highly malleablized:
Cast aluminium 107 100 grams, about 740 ℃ of melt Heating temperature, fining agent add-on 0.1-2.0 gram/1000 gram aluminium, fining agent component and proportioning are:
Component content (weight %)
Aluminium (Al) 90.490
Titanium (Ti) 2.5000
Iron (Fe) 3.5000
Boron (B) 2.5000
Carbon (C) 1.000
Strontium (Sr) 0.005
Molten aluminium was incubated about 30 minutes after mishmetal (RE) 0.005 added fining agent, was cast into 40 millimeters of diameters, high 45 millimeters cylinder ingots in metal mold, and the grain-size at 15 millimeters places is about 150 microns apart from the bottom surface.The tensile property of 12 millimeters standard gold genotype samples (T6 processing) is
Grain-size (μ m) σ b (MPa) σ 0.2 (MPa) δ 5 (%) do not add fining agent 4000-5000 320-340 210-230 3-4 and add fining agent～200 400-430 230-250 9-12
Embodiment 5
The micritization of cast aluminium 104 and highly malleablized:
Cast aluminium 104 100 grams, about 720 ℃ of melt Heating temperature, fining agent add-on 0.1-2.0 gram/1000 gram aluminium, fining agent component and proportioning are:
Component content (weight %)
Aluminium (Al) 90.490
Titanium (Ti) 2.5000
Iron (Fe) 3.5000
Boron (B) 2.5000
Carbon (C) 1.000
Strontium (Sr) 0.005
Molten aluminium was incubated about 30 minutes after mishmetal (RE) 0.005 added fining agent, was cast into 40 millimeters of diameters, high 45 millimeters cylinder ingots in metal mold, and the grain-size at 15 millimeters places is about 200 microns apart from the bottom surface.The tensile property of 12 millimeters standard gold genotype samples (T5 processing) is
Grain-size (μ m) σ b (MPa) σ 0.2 (MPa) δ 5 (%) do not add fining agent 4000-5000 240-250 190-200 1-2 and add fining agent～200 330-350 270-280 5-6
Claims (3)
1, the ferrotianium boron carbon composite refining agent of a kind of aluminium and aluminium alloy, it is characterized in that: such fining agent is made up of the strontium or the mishmetal of aluminium (Al), titanium (Ti), iron (Fe), boron (B), carbon (C) and reinforcement micritization effect, and the content of each composition is:
Component content (weight %)
Aluminium (Al) 83.00-99.987
Titanium (Ti) 0.010-6.000
Iron (Fe) 0.001-5.000
Boron (B) 0.001-3.500
Carbon (C) 0.001-2.500
Strontium, mishmetal 0.000-3.000
2, the ferrotianium boron carbon composite refining agent of aluminium described in claim 1 and aluminium alloy is characterized in that, is made up of following composition range:
Component content (weight %)
Aluminium (Al) 92.750-99.987
Titanium (Ti) 0.010-4.500
Iron (Fe) 0.001-0.050
Boron (B) 0.001-1.500
Carbon (C) 0.001-1.000
3, the ferrotianium boron carbon composite refining agent of aluminium described in claim 1 and aluminium alloy is characterized in that, is made up of following composition range:
Component content (weight %)
Aluminium (Al) 83.000-99.985
Titanium (Ti) 0.010-6.000
Iron (Fe) 0.001-4.000
Boron (B) 0.001-3.000
Carbon (C) 0.001-2.000
Strontium (Sr) 0.001-1.000
Mishmetal (RE) 0.000-1.200
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97104146A CN1065921C (en) | 1997-04-25 | 1997-04-25 | Iron-carbon-boron composite refining agent for aluminium and aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97104146A CN1065921C (en) | 1997-04-25 | 1997-04-25 | Iron-carbon-boron composite refining agent for aluminium and aluminium alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1167163A CN1167163A (en) | 1997-12-10 |
| CN1065921C true CN1065921C (en) | 2001-05-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97104146A Expired - Fee Related CN1065921C (en) | 1997-04-25 | 1997-04-25 | Iron-carbon-boron composite refining agent for aluminium and aluminium alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN1065921C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409192B (en) * | 2010-09-20 | 2014-12-24 | 东北大学 | Aluminum titanium boron carbon rare earth refiner and preparation method thereof |
| CN102560200B (en) * | 2012-01-11 | 2013-06-19 | 山东大学 | Aluminum-titanium-iron-carbon-boron intermediate alloy and preparation method thereof |
| CN103602861B (en) * | 2013-11-12 | 2015-06-17 | 太原理工大学 | Preparation method of magnesium-lithium-aluminum-silicon alloy plate |
| CN106756178B (en) * | 2016-11-23 | 2019-11-01 | 上海交通大学 | Aluminium and its alloy Al-Ti-B-Fe grain refiner and preparation method thereof |
| DE102017008992B3 (en) * | 2017-09-26 | 2019-03-07 | Fagor Ederlan S.COOP. | disc brake |
| CN107916348B (en) * | 2017-12-02 | 2019-05-14 | 河北工业大学 | The preparation method of fine grain CuAlMn marmem |
| CN108300912A (en) * | 2018-02-08 | 2018-07-20 | 盐城市鑫洋电热材料有限公司 | A kind of high resistance conducting alloy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6263640A (en) * | 1986-09-27 | 1987-03-20 | Japan Metals & Chem Co Ltd | Sr-al master alloy for modification of al-si alloy |
| US4937044A (en) * | 1989-10-05 | 1990-06-26 | Timminco Limited | Strontium-magnesium-aluminum master alloy |
-
1997
- 1997-04-25 CN CN97104146A patent/CN1065921C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6263640A (en) * | 1986-09-27 | 1987-03-20 | Japan Metals & Chem Co Ltd | Sr-al master alloy for modification of al-si alloy |
| US4937044A (en) * | 1989-10-05 | 1990-06-26 | Timminco Limited | Strontium-magnesium-aluminum master alloy |
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| Publication number | Publication date |
|---|---|
| CN1167163A (en) | 1997-12-10 |
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