EP2705171B1 - Procédé de raffinage et de modification de structure d'alliages d'almgsi - Google Patents
Procédé de raffinage et de modification de structure d'alliages d'almgsi Download PDFInfo
- Publication number
- EP2705171B1 EP2705171B1 EP12722272.7A EP12722272A EP2705171B1 EP 2705171 B1 EP2705171 B1 EP 2705171B1 EP 12722272 A EP12722272 A EP 12722272A EP 2705171 B1 EP2705171 B1 EP 2705171B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- alloys
- phosphorus
- less
- 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.)
- Revoked
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000007670 refining Methods 0.000 title claims description 6
- 230000004048 modification Effects 0.000 title claims description 3
- 238000012986 modification Methods 0.000 title claims description 3
- 229910021365 Al-Mg-Si alloy Inorganic materials 0.000 title claims 4
- 229910045601 alloy Inorganic materials 0.000 claims description 36
- 239000000956 alloy Substances 0.000 claims description 36
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims description 16
- 239000011574 phosphorus Substances 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- 238000007528 sand casting Methods 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011833 salt mixture Substances 0.000 claims description 2
- 238000010120 permanent mold casting Methods 0.000 claims 1
- 239000011777 magnesium Substances 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 238000004512 die casting Methods 0.000 description 9
- 239000011575 calcium Substances 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 230000005496 eutectics Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 229910019018 Mg 2 Si Inorganic materials 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 2
- 229910018520 Al—Si Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- -1 MgCl 2 Chemical class 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
Definitions
- the present invention relates to a process for refining and microbial modification of AlMgSi alloys.
- Alloys of the AlMgSi type are preferably used in die-casting processes, and they are particularly advantageous for producing thin-walled components.
- a significant deterioration of the elongation at break with increasing wall thickness recorded.
- AlMgSi-type AlMgSi-type workpieces produced in mold or sand casting have poor mechanical properties, in particular with regard to breaking elongation.
- the elongation at break [A5] is 3% for a workpiece with 20 mm wall thickness made by sand casting, and also 3% for a workpiece with 16 mm wall thickness made with chill casting. This results in comparable poor elongation at break values as in the die casting process.
- grain refining treatment is not required in die casting and may even be detrimental.
- microstructure of AlMgSi alloys can be controlled by adding alloying elements such as Mn, Cr, Zr, please refer ASM Specialty Handbook: Aluminum and Aluminum Alloys, 1993, ASM International, p. 44 ,
- AlSiMg in contrast to AlMgSi, means that such an alloy contains a higher proportion of Si than of Mg.
- Hypereutectic AlSiMg alloys are those having a Si content of slightly or considerably more than 12% Si. At a content of 12% Si is exclusively a eutectic in the form of a fine-grained Al-Si mixed crystal.
- the present invention provides a process for refining AlMgSi alloys for mold or sand casting, which AlMgSi alloys have the general composition 5.0-10.0 wt .-% Mg; 1.0-5.0 wt% Si; 0.001-1.0 wt% Mn, 0.01-0.2 wt% Ti, less than 0.001 wt% Ca, less than 0.001 wt% Na, and less than 0.001 wt% Sr and the remainder Al, and wherein the alloy melt is added to phosphorus in an amount ranging from 0.01 to 0.06 wt .-%, based on the total mass of the alloy.
- -% Sr and the balance Al have, more preferably.
- the phosphorus addition causes the eutectic to grow decoupled.
- the morphology of the eutectic Mg 2 Si phase changes from lamellar and coarse to globular and fine.
- the phosphorus binds the calcium and thereby suppresses the formation of the intermetallic phases CaMg 2 , Al 2 Ca, Al 4 Ca, and so on.
- These phases are nucleation sites for the eutectic Mg 2 Si; if they are absent, the nucleation sites are absent at the host level and the Mg 2 Si phase is formed by supercooling. Since nucleation is necessary for each particle, growth is extremely slow compared to unmodified alloys. The nucleation is self-sufficient or on the aluminum, which is also a poor nucleating agent and thereby minimizes the growth rate.
- the peak of the ternary eutectic disappears or decreases with increasing phosphorus content.
- the addition of the phosphorus can be in the form of a phosphor master alloy or phosphorus salt mixtures.
- Preferred phosphor master alloys which can be used in the present invention include CuP8, AlCuP, AlFeP, and FeP master alloys.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Continuous Casting (AREA)
- Mold Materials And Core Materials (AREA)
- Manufacture And Refinement Of Metals (AREA)
Claims (4)
- Procédé de raffinage et de modification structurelle d'alliages AlMgSi pour le moulage en coquille ou en sable, lesquels alliages AlMgSi possèdent la composition générale 5,0 à 10,0 % en poids de Mg ; 1,0 à 5,0 % en poids de Si ; 0,001 à 1,0 % en poids de Mn, 0,01 à 0,2 % en poids de Ti, moins de 0,001 % en poids de Ca, moins de 0,001 % en poids de Na, et moins de 0,001 % en poids de Sr, et le reste étant Al, et dans lequel du phosphore dans une plage quantitative de 0,01 à 0,06 % en poids rapportée à la masse totale de l'alliage est ajouté à l'alliage fondu.
- Procédé selon la revendication 1, dans lequel le phosphore est ajouté sous forme de préalliages de phosphore ou de mélanges de sels donneurs de phosphore.
- Procédé selon la revendication 2, dans lequel les préalliages de phosphore comprennent des préalliages de CuP8, AlCuP, AlFeP et FeP.
- Procédé selon l'une des revendications 1 à 3, caractérisé en ce que les alliages AlMgSi possèdent la composition générale 6 à 9 % en poids de Mg ; 2,5 à 4,5 % en poids de Si ; 0,02 à 0,5 % en poids de Mn, 0,01 à 0,2 % en poids de Ti, moins de 0,001 % en poids de Ca, moins de 0,001 % en poids de Na, et moins de 0,001 % en poids de Sr, et le reste étant Al.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA615/2011A AT511397B1 (de) | 2011-05-03 | 2011-05-03 | Verfahren zur raffination und gefügemodifikation von aimgsi-legierungen |
| PCT/AT2012/000124 WO2012149589A1 (fr) | 2011-05-03 | 2012-05-03 | Procédé de raffinage et de modification de structure d'alliages d'almgsi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2705171A1 EP2705171A1 (fr) | 2014-03-12 |
| EP2705171B1 true EP2705171B1 (fr) | 2015-08-26 |
Family
ID=46146481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12722272.7A Revoked EP2705171B1 (fr) | 2011-05-03 | 2012-05-03 | Procédé de raffinage et de modification de structure d'alliages d'almgsi |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9279170B2 (fr) |
| EP (1) | EP2705171B1 (fr) |
| AT (1) | AT511397B1 (fr) |
| CA (1) | CA2866094A1 (fr) |
| MX (1) | MX2013012681A (fr) |
| WO (1) | WO2012149589A1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101565025B1 (ko) * | 2013-11-27 | 2015-11-02 | 현대자동차주식회사 | 고내열성 저밀도 알루미늄 합금 |
| PL3247812T3 (pl) | 2015-03-10 | 2019-08-30 | Cms Jant Ve Makine Sanayi Anonim Sirketi | Sposób rozdrabniania ziarna dla stopów aluminium |
| CN104988346B (zh) * | 2015-07-08 | 2017-03-29 | 龙口市丛林铝材有限公司 | 一种轨道车辆车体用铝合金的制备方法 |
| JP2017210653A (ja) * | 2016-05-26 | 2017-11-30 | 日本軽金属株式会社 | アルミニウム合金および鋳物 |
| MX2020011679A (es) * | 2018-05-07 | 2020-12-10 | Alcoa Usa Corp | Aleaciones de colada de al-mg-si-mn-fe. |
| CN115323228A (zh) * | 2022-08-19 | 2022-11-11 | 光智科技股份有限公司 | 一种划片刀铝飞盘用新型铝合金的制造方法 |
| CN117025988B (zh) * | 2023-08-16 | 2025-11-21 | 广西平果博导铝镁线缆有限公司 | 一种改进镁铝合金线材高导电性的处理方法 |
| CN119663076A (zh) * | 2024-12-19 | 2025-03-21 | 上海交通大学 | 一种高强韧耐磨过共晶Al-Mg2Si合金及其制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0457380A1 (fr) | 1990-05-16 | 1991-11-21 | METALLGESELLSCHAFT Aktiengesellschaft | Procédé pour la fabrication d'alliages contenant du disiliciure de magnésium |
| WO1996015281A1 (fr) | 1994-11-15 | 1996-05-23 | Aluminium Rheinfelden Gmbh | Alliage d'aluminium de fonderie |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1608165C2 (de) * | 1967-12-01 | 1981-10-22 | Honsel-Werke Ag, 5778 Meschede | Verwendung von AlMgSi-Guß-Legierungen für thermisch wechselbeanspruchte Zylinderköpfe |
| NZ234849A (en) * | 1989-08-09 | 1991-10-25 | Comalco Ltd | Hypereutectic aluminium alloys containing silicon and minor amounts of other alloying elements |
| US6669792B2 (en) * | 1998-09-08 | 2003-12-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Process for producing a cast article from a hypereutectic aluminum-silicon alloy |
| ATE437972T1 (de) * | 2003-01-23 | 2009-08-15 | Rheinfelden Aluminium Gmbh | Druckgusslegierung aus aluminiumlegierung |
| ATE516379T1 (de) * | 2004-06-29 | 2011-07-15 | Rheinfelden Aluminium Gmbh | Aluminium-druckgusslegierung |
| AT501867B1 (de) * | 2005-05-19 | 2009-07-15 | Aluminium Lend Gmbh & Co Kg | Aluminiumlegierung |
| DE502006000145D1 (de) * | 2005-08-22 | 2007-11-29 | Rheinfelden Aluminium Gmbh | Warmfeste Aluminiumlegierung |
| KR101534864B1 (ko) * | 2009-06-30 | 2015-07-08 | 현대자동차주식회사 | 차량용 실린더라이너의 제조방법 |
-
2011
- 2011-05-03 AT ATA615/2011A patent/AT511397B1/de not_active IP Right Cessation
-
2012
- 2012-05-03 CA CA2866094A patent/CA2866094A1/fr not_active Abandoned
- 2012-05-03 WO PCT/AT2012/000124 patent/WO2012149589A1/fr not_active Ceased
- 2012-05-03 US US14/114,989 patent/US9279170B2/en not_active Expired - Fee Related
- 2012-05-03 EP EP12722272.7A patent/EP2705171B1/fr not_active Revoked
- 2012-05-03 MX MX2013012681A patent/MX2013012681A/es not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0457380A1 (fr) | 1990-05-16 | 1991-11-21 | METALLGESELLSCHAFT Aktiengesellschaft | Procédé pour la fabrication d'alliages contenant du disiliciure de magnésium |
| WO1996015281A1 (fr) | 1994-11-15 | 1996-05-23 | Aluminium Rheinfelden Gmbh | Alliage d'aluminium de fonderie |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2013012681A (es) | 2014-10-17 |
| AT511397A1 (de) | 2012-11-15 |
| WO2012149589A1 (fr) | 2012-11-08 |
| AT511397B1 (de) | 2013-02-15 |
| US9279170B2 (en) | 2016-03-08 |
| US20140290437A1 (en) | 2014-10-02 |
| CA2866094A1 (fr) | 2012-11-08 |
| EP2705171A1 (fr) | 2014-03-12 |
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