EP0717784A1 - Tole d'alliage aluminium-silicium destinee a la construction mecanique, aeronautique et spatiale - Google Patents
Tole d'alliage aluminium-silicium destinee a la construction mecanique, aeronautique et spatialeInfo
- Publication number
- EP0717784A1 EP0717784A1 EP95920993A EP95920993A EP0717784A1 EP 0717784 A1 EP0717784 A1 EP 0717784A1 EP 95920993 A EP95920993 A EP 95920993A EP 95920993 A EP95920993 A EP 95920993A EP 0717784 A1 EP0717784 A1 EP 0717784A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alloys
- mechanical
- sheets according
- sheets
- aircraft
- 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.)
- Granted
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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
- C22C21/04—Modified aluminium-silicon alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
Definitions
- the invention relates to the field of sheets of medium and high strength aluminum alloys used in mechanical, aeronautical and space construction and in armaments.
- alloys 2000 and 7000 have a much better temperature resistance than that of most alloys 2000 and 7000, and at least equivalent to that of alloys in these series specially studied for their temperature resistance, such as alloys 2019 and 2618.
- Al-Si alloys are used very widely for the manufacture of molded parts. However, in this form, they have far lower mechanical strength, fatigue and toughness properties than the wrought and transformed alloys 2000 and 7000 used in structural parts. In rare cases, they can be used in laminated form, in particular for covering plated sheets intended for the manufacture of brazed heat exchangers. Alloys 4343, 4104, 4045 and 4047 are thus used, for example, the properties sought in this case being essentially a low melting temperature and good wettability.
- Al-Si alloys can also be spun in the form of bars or profiles which, due to their good resistance to wear and temperature, are used in mechanical parts such as connecting rods, brake master cylinders, drive shafts , bearings and various components of motors and compressors.
- One of the alloys used for this purpose is 4032.
- French patent FR 2291284 describes the manufacture of sheets of AlSi alloy containing 4 to 15% of Si by continuous casting between two cooled cylinders. This casting method is intended to increase the elongation at break, and therefore the formability. They are not high-strength sheets usable in structural applications, since the sheets are simply annealed and the elastic limits exemplified do not exceed not 220 MPa.
- Mn ⁇ 0.5% and / or Cr ⁇ 0.5%
- the silicon content is preferably between 6.5 and 8%, corresponding to that of the AS7G alloy.
- Another object of the invention is the use of medium or thick sheets of this alloy for the undersides of aircraft wings, of thin sheets for the coating of aircraft fuselages, of sheets for the manufacture of cryogenic tanks. rockets, floors and skips of industrial vehicles and hulls or supersructures of boats.
- the sheets according to the invention have silicon contents generally corresponding to the fields of alloys AS7G and AS9G according to French standard NF A 57-702 or the designations A 357 and A 359 of the Aluminum Association.
- Magnesium should not exceed 1% to avoid the formation of insoluble intermetallic compound Mg2Si. Copper must be limited to 0.8% to avoid the formation of insoluble phases Mg2Si and Q (AlMgSiCu). This content also makes it possible to limit the sensitivity to intercrystalline corrosion.
- Iron is also limited to 0.3%, and preferably 0.08%, as it is in 7000 alloys for heavy plate, when good toughness and / or good elongation.
- the presence of titanium is linked to the refining of the titanium plates, identical to that used for current medium and high strength alloys. As is usually the case with quality molding alloys, it is necessary to modify the alloy to avoid the formation of primary silicon and to obtain a finely dispersed fibered eutectic structure. For this operation, strontium is preferable to sodium which could cause hot fragility during processing.
- the sheets according to the invention can be obtained by vertical casting of plates, hot rolling up to 6 mm, optionally cold rolling in the case of thin sheets, dissolving between 545 and 555 ° C, quenching with cold water, maturation at room temperature and / or tempering between 6 and 24 h at a temperature between 150 and 195 ° C.
- Hot rolling can be preceded by homogenization between 530 and 550 ° C for a duration of less than 20 h, short enough to avoid a globalization of the fibrous eutectic and a marked coalescence of the manganese and / or chromium, when the alloy contains it.
- the alloy is weldable by conventional TIG or MIG processes, continuous or pulsed, depending on whether it is a thin or thick sheet, and its density is always lower than that of traditional 2000 and 7000 alloys.
- Example 1 homogenized sheet Plates of 380 x 120 mm section of alloy with the following composition (by weight) were produced by vertical casting: Si: 6.77% Mg: 0.59% Cu: 0.24%
- the alloy was homogenized at 550 ° C for 8 hours, after a temperature rise of 4 hours, reheated for 2 hours at 500 ° C, then hot rolled up to 20 mm thick on a reversible rolling mill. Cut sheets were placed in solution for 2 hours at 550 ° C, soaked in water and subjected to an income of 8 hours at 175 ° C, ie a state T651 according to the designations of the Aluminum Association.
- the alloy has a density of 2,678 and a modulus of elasticity E of 74,100 MPa, or a specific module of 27,670 MPa, was measured on the sheet by the hysteresis loop method in tension. 2.770, 72,500 MPa and 26,175 MPa respectively for a sheet of the same thickness in 2024 alloy in the T351 state, an increase of 5.7% in the specific module. This increase is more than 9% higher compared to alloy 2219 for welded construction.
Landscapes
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
- Continuous Casting (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Coating With Molten Metal (AREA)
- Soft Magnetic Materials (AREA)
- Physical Vapour Deposition (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9407405 | 1994-06-13 | ||
FR9407405A FR2721041B1 (fr) | 1994-06-13 | 1994-06-13 | Tôle d'alliage aluminium-silicium destinée à la construction mécanique, aéronautique et spatiale. |
PCT/FR1995/000693 WO1995034691A1 (fr) | 1994-06-13 | 1995-05-29 | Tole d'alliage aluminium-silicium destinee a la construction mecanique, aeronautique et spatiale |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0717784A1 true EP0717784A1 (fr) | 1996-06-26 |
EP0717784B1 EP0717784B1 (fr) | 1998-09-16 |
Family
ID=9464309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95920993A Revoked EP0717784B1 (fr) | 1994-06-13 | 1995-05-29 | Tole d'alliage aluminium-silicium destinee a la construction mecanique, aeronautique et spatiale |
Country Status (8)
Country | Link |
---|---|
US (1) | US5837070A (fr) |
EP (1) | EP0717784B1 (fr) |
JP (1) | JPH09501988A (fr) |
AT (1) | ATE171222T1 (fr) |
CA (1) | CA2168946A1 (fr) |
DE (1) | DE69504802T2 (fr) |
FR (1) | FR2721041B1 (fr) |
WO (1) | WO1995034691A1 (fr) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1002334C2 (nl) * | 1996-02-14 | 1997-08-15 | Hoogovens Aluminium Nv | Slijtvaste aluminiumlegering met een goede corrosieweerstand. |
US6168067B1 (en) * | 1998-06-23 | 2001-01-02 | Mcdonnell Douglas Corporation | High strength friction stir welding |
US6146477A (en) | 1999-08-17 | 2000-11-14 | Johnson Brass & Machine Foundry, Inc. | Metal alloy product and method for producing same |
JP4356851B2 (ja) * | 1999-09-03 | 2009-11-04 | 本田技研工業株式会社 | 船舶用アルミニウムダイカスト材料 |
JP2002144018A (ja) * | 2000-11-02 | 2002-05-21 | Yorozu Corp | 軽量高強度部材の製造方法 |
BR0210891B1 (pt) * | 2001-07-09 | 2010-12-14 | produto laminado de alumÍnio soldÁvel de alta resistÊncia e mÉtodo para produzir o mesmo. | |
DE60231046D1 (de) * | 2001-07-25 | 2009-03-19 | Showa Denko Kk | Aluminiumlegierung mit hervorragender zerspanbarkeit und aluminiumlegierungsmaterial und herstellungsverfahren dafür |
US20030143102A1 (en) * | 2001-07-25 | 2003-07-31 | Showa Denko K.K. | Aluminum alloy excellent in cutting ability, aluminum alloy materials and manufacturing method thereof |
FR2832913B1 (fr) * | 2001-12-03 | 2004-01-16 | Pechiney Rhenalu | Alliage d'aluminium pour ustensiles culinaires emailles et/ou revetus de ptfe |
US20100282061A1 (en) * | 2001-12-31 | 2010-11-11 | Asher Peretz | Anti-terror lightweight armor plates and a method of producing same |
US6773666B2 (en) * | 2002-02-28 | 2004-08-10 | Alcoa Inc. | Al-Si-Mg-Mn casting alloy and method |
US20040166245A1 (en) * | 2002-07-29 | 2004-08-26 | Unionsteel Manufacturing Co., Ltd. | Production method for aluminum alloy coated steel sheet |
DE10331990A1 (de) * | 2003-07-14 | 2005-02-24 | Eads Deutschland Gmbh | Geschweißtes Aluminium-Strukturbauteil mit metallisch induzierter Rissabeichung |
FR2879115B1 (fr) * | 2004-12-15 | 2007-03-16 | Pechiney Softal Soc Par Action | Procede de soudage du type mig pulse a fil pulse pour alliages d'aluminium |
US8083871B2 (en) | 2005-10-28 | 2011-12-27 | Automotive Casting Technology, Inc. | High crashworthiness Al-Si-Mg alloy and methods for producing automotive casting |
DE102006032699B4 (de) * | 2006-07-14 | 2010-09-09 | Bdw Technologies Gmbh & Co. Kg | Aluminiumlegierung und deren Verwendung für ein Gussbauteil insbesondere eines Kraftwagens |
JP5300118B2 (ja) | 2007-07-06 | 2013-09-25 | 日産自動車株式会社 | アルミニウム合金鋳物の製造方法 |
JP4719731B2 (ja) * | 2007-11-22 | 2011-07-06 | 住友電気工業株式会社 | 切削性に優れたアルミニウム合金圧延材およびその製造方法 |
US8728258B2 (en) * | 2008-06-10 | 2014-05-20 | GM Global Technology Operations LLC | Sequential aging of aluminum silicon casting alloys |
CN102312137B (zh) * | 2011-09-09 | 2016-06-22 | 深圳市中兴康讯电子有限公司 | 铝硅镁系铸造铝合金及铸造工艺 |
US9284636B1 (en) * | 2011-12-21 | 2016-03-15 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Impact toughness and heat treatment for cast aluminum |
CN103008345B (zh) * | 2012-12-03 | 2015-06-10 | 三门峡圣辉新型材料有限公司 | 一种铝合金连续铸轧生产工艺 |
EP3128021B1 (fr) * | 2014-03-31 | 2018-10-17 | Hitachi Metals, Ltd. | Alliage d'aluminium de système al-si-mg destiné au coulage, qui a une rigidité spécifique, une résistance et une ductilité qui sont excellentes, et élément coulé formé à partir de celui-ci |
WO2015151369A1 (fr) * | 2014-03-31 | 2015-10-08 | アイシン軽金属株式会社 | Alliage d'aluminium et procédé de coulée sous pression |
JP6014785B2 (ja) * | 2014-10-31 | 2016-10-25 | 株式会社Uacj | 磁気ディスク用アルミニウム合金基板 |
WO2016145644A1 (fr) * | 2015-03-19 | 2016-09-22 | GM Global Technology Operations LLC | Composition d'alliage |
WO2017027734A1 (fr) * | 2015-08-13 | 2017-02-16 | Alcoa Inc. | Alliages de moulage d'aluminium 3xx améliorés, et leurs procédés de fabrication |
FR3044326B1 (fr) | 2015-12-01 | 2017-12-01 | Constellium Neuf-Brisach | Tole mince a haute rigidite pour carrosserie automobile |
CN105695816A (zh) * | 2016-03-16 | 2016-06-22 | 杜生龙 | 一种用于制作支架的锌镁铝合金及其制备方法 |
US10927436B2 (en) | 2017-03-09 | 2021-02-23 | GM Global Technology Operations LLC | Aluminum alloys |
RU2659514C1 (ru) * | 2017-08-17 | 2018-07-02 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Литейный алюминиево-кремниевый сплав |
US11597987B2 (en) | 2018-08-14 | 2023-03-07 | Johnson Brass & Machine Foundry, Inc. | Clean aluminum alloys and methods for forming such alloys |
US11149333B2 (en) | 2018-08-14 | 2021-10-19 | Johnson Brass & Machine Foundry, Inc. | Clean aluminum alloys |
DE102019120862A1 (de) * | 2019-08-01 | 2021-02-04 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines Plattenwärmetauschers sowie Plattenwärmetauscher |
CN110964957A (zh) * | 2019-12-26 | 2020-04-07 | 北京工业大学 | 一种高强Al-Zn-Mg系合金深冷轧制与时效处理工艺 |
FR3114448A1 (fr) | 2020-09-23 | 2022-03-25 | Constellium Neuf-Brisach | Fond de bac batteries pour vehicules electriques |
CN114672674B (zh) * | 2022-02-28 | 2024-03-15 | 中国第一汽车股份有限公司 | 一种铸造-轧制高强高韧铝硅合金及其制备方法 |
CN115305391B (zh) * | 2022-08-10 | 2023-06-06 | 中南大学 | 一种低能耗铝硅镁合金及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE241389C (fr) * | ||||
US3400057A (en) * | 1964-06-03 | 1968-09-03 | Reynolds Metals Co | Alloy and finishing system |
DE1255928B (de) * | 1966-01-13 | 1967-12-07 | Metallgesellschaft Ag | Verfahren zur Erzielung eines langanhaltenden Veredelungseffektes in Aluminium-Silicium-Legierungen |
US4897124A (en) * | 1987-07-02 | 1990-01-30 | Sky Aluminium Co., Ltd. | Aluminum-alloy rolled sheet for forming and production method therefor |
JPH02159338A (ja) * | 1988-12-12 | 1990-06-19 | Kobe Steel Ltd | Al−Si系合金及びその製造方法 |
JP3183545B2 (ja) * | 1991-10-09 | 2001-07-09 | 株式会社神戸製鋼所 | ブレージングシート用高強度アルミニウムろう材 |
US5571347A (en) * | 1994-04-07 | 1996-11-05 | Northwest Aluminum Company | High strength MG-SI type aluminum alloy |
-
1994
- 1994-06-13 FR FR9407405A patent/FR2721041B1/fr not_active Expired - Fee Related
-
1995
- 1995-05-29 JP JP8501711A patent/JPH09501988A/ja active Pending
- 1995-05-29 EP EP95920993A patent/EP0717784B1/fr not_active Revoked
- 1995-05-29 AT AT95920993T patent/ATE171222T1/de not_active IP Right Cessation
- 1995-05-29 US US08/537,864 patent/US5837070A/en not_active Expired - Fee Related
- 1995-05-29 DE DE69504802T patent/DE69504802T2/de not_active Revoked
- 1995-05-29 WO PCT/FR1995/000693 patent/WO1995034691A1/fr not_active Application Discontinuation
- 1995-05-29 CA CA002168946A patent/CA2168946A1/fr not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9534691A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE69504802T2 (de) | 1999-03-25 |
US5837070A (en) | 1998-11-17 |
FR2721041A1 (fr) | 1995-12-15 |
CA2168946A1 (fr) | 1995-12-21 |
DE69504802D1 (de) | 1998-10-22 |
JPH09501988A (ja) | 1997-02-25 |
FR2721041B1 (fr) | 1997-10-10 |
EP0717784B1 (fr) | 1998-09-16 |
ATE171222T1 (de) | 1998-10-15 |
WO1995034691A1 (fr) | 1995-12-21 |
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