EP1218561A2 - Verfahren zur wärmebehandlung von strukturgussteilen aus einer dafür zu verwendenden aluminiumlegierung - Google Patents
Verfahren zur wärmebehandlung von strukturgussteilen aus einer dafür zu verwendenden aluminiumlegierungInfo
- Publication number
- EP1218561A2 EP1218561A2 EP00965954A EP00965954A EP1218561A2 EP 1218561 A2 EP1218561 A2 EP 1218561A2 EP 00965954 A EP00965954 A EP 00965954A EP 00965954 A EP00965954 A EP 00965954A EP 1218561 A2 EP1218561 A2 EP 1218561A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- minutes
- quenching
- heat treatment
- temperature
- aluminum 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Definitions
- the invention relates to a method for the heat treatment of structural castings made of an aluminum alloy and an aluminum alloy to be used for this
- Aluminum structural castings made from an aluminum alloy are used, for example, in motor vehicle construction and are said to have good mechanical properties, in particular high elongation at break, good castability, no tendency to stick in the mold and good demoldability, high dimensional stability and good weldability, since the properties required in the known Cast aluminum alloys are not available in the as-cast state, heat treatment processes and aluminum alloys have been developed to meet industrial requirements with increasing precision and cost. Special heat treatment processes with the designations T64 and T7 have become known for this purpose. These heat treatment processes are described, for example, in 13th edition, pages 551 to 554, described In these heat treatment processes, there is a two-stage process according to the following scheme
- the invention is therefore based on the problem of creating a heat treatment process with which good mechanical properties and high dimensional stability can be achieved inexpensively and with simple means
- the temperature of 490 ° C can be maintained for about 60 minutes and the temperature of 250 ° C for about 30 minutes
- the temperature if the temperature is kept at 490 ° C. for about 90 minutes, the temperature may be kept at 250 ° C. for about 30 minutes or about 45 minutes or about 75 minutes or about 105 minutes, which results in allow the mechanical properties to vary depending on the range of requirements
- a suitable aluminum alloy for use with the method of the invention can be the composition
- a suitable Al-Mg alloy can be the composition
- a suitable eutectic or near-eutectic Al-Si alloy can be the composition
- the alloys are subjected to a melt treatment such as degassing and / or filtering before being introduced into the casting process.
- the vacuum generated in the die cavity at the time of introduction of the molten aluminum alloy is 50 to 150 mbar
- the cast structural castings are placed on special contour-gripping product receptacles and subjected to the aforementioned heat treatment steps
- the method T64 requires a minimum time for the heat treatment of 4 hours and a maximum time of 11 hours
- the heat treatment method T7 also a minimum time of 4 hours and a maximum time of 8 hours
- the method according to the invention takes a maximum of 3.25 hours, but can be the most favorable Case can be shortened to 1.5 hours.
- the process according to the invention generally results in better economy due to the shorter cycle time.
- the thermal stability is increased by approx. 30 ° C. compared to the heat treatment process T7 and by approx 80 ° C compared to the heat treatment process T64 improved so that the structural castings heat-treated by the process according to the invention are thermally stable up to use temperatures of 250 ° C
- the aluminum alloys according to the invention for use with the method according to the invention make it possible to produce very thin-walled, large-area and complex structural castings, the dimensional stability and dimensional stability of which are guaranteed by the heat treatment method according to the invention and the aluminum alloys used with it, constant quality in series production, high ductility, good weldability and thus the possibility of connection with sheet metal or extruded profiles can be ensured
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
- Heat Treatment Of Articles (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19945754 | 1999-09-24 | ||
| DE19945754 | 1999-09-24 | ||
| DE10002021 | 2000-01-19 | ||
| DE10002021A DE10002021C2 (de) | 1999-09-24 | 2000-01-19 | Verfahren zur Wärmebehandlung von Strukturgußteilen aus einer dafür zu verwendenden Aluminiumlegierung |
| PCT/EP2000/008822 WO2001023633A2 (de) | 1999-09-24 | 2000-09-09 | Verfahren zur wärmebehandlung von strukturgussteilen aus einer dafür zu verwendenden aluminiumlegierung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1218561A2 true EP1218561A2 (de) | 2002-07-03 |
| EP1218561B1 EP1218561B1 (de) | 2003-12-03 |
Family
ID=26003916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00965954A Expired - Lifetime EP1218561B1 (de) | 1999-09-24 | 2000-09-09 | Verfahren zur wärmebehandlung von strukturgussteilen aus einer dafür zu verwendenden aluminiumlegierung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6752885B1 (de) |
| EP (1) | EP1218561B1 (de) |
| JP (1) | JP2003510463A (de) |
| AT (1) | ATE255646T1 (de) |
| ES (1) | ES2211617T3 (de) |
| WO (1) | WO2001023633A2 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10037307B4 (de) * | 2000-07-28 | 2004-02-05 | Honsel Gmbh & Co Kg | Strukturelement für ein Flugzeug, insbesondere Flugzeugtür |
| DE10330400A1 (de) * | 2003-07-04 | 2005-01-20 | Alutec-Belte Ag | Verfahren und Vorrichtung zum Abschrecken eines Gussteils |
| ITMI20061659A1 (it) * | 2005-08-31 | 2007-03-01 | Ksm Castings Gmbh | Leghe per getti di alluminio,in particolare per applicazioni per telai |
| JP2007239001A (ja) * | 2006-03-07 | 2007-09-20 | Nissan Motor Co Ltd | アルミダイカスト製品の製造方法および製造装置 |
| CN101415855B (zh) * | 2006-04-13 | 2011-12-28 | 空中客车德国有限公司 | 型材的热处理方法、用于型材热处理的装置及型材 |
| JP4994734B2 (ja) * | 2006-07-24 | 2012-08-08 | 株式会社大紀アルミニウム工業所 | 鋳造用アルミニウム合金および同アルミニウム合金鋳物 |
| FR2917751B1 (fr) * | 2007-06-22 | 2011-04-01 | Montupet Sa | Procede de traitement thermique de culasses en alliage a base d'aluminuim, et culasses presentant des proprietes de resistance a la fatigue ameliorees |
| DE112008002069A5 (de) * | 2007-11-08 | 2010-04-29 | Ksm Castings Gmbh | Vorderachsträger für Kraftfahrzeuge |
| DE102008029864B4 (de) * | 2008-06-24 | 2011-02-24 | Bdw Technologies Gmbh | Gussbauteil und Verfahren zu dessen Herstellung |
| DE102009019269A1 (de) * | 2009-04-28 | 2010-11-11 | Audi Ag | Aluminium-Silizium-Druckgusslegierung für dünnwändige Strukturbauteile |
| US9038704B2 (en) | 2011-04-04 | 2015-05-26 | Emerson Climate Technologies, Inc. | Aluminum alloy compositions and methods for die-casting thereof |
| MX2017003474A (es) | 2014-09-18 | 2017-05-12 | Cons Eng Company Inc | Sistema y metodo para templar fundiciones. |
| US10308993B2 (en) | 2015-06-12 | 2019-06-04 | Consolidated Engineering Company, Inc. | System and method for improving quench air flow |
| CN108472719A (zh) * | 2015-11-05 | 2018-08-31 | 联合工程公司 | 用于改进铸件热处理的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1027409B (de) | 1953-04-10 | 1958-04-03 | Ver Deutsche Metallwerke Ag | Verwendung von Aluminiumlegierungen mit Zink, Magnesium und Kupfer |
| JPH0737660B2 (ja) | 1985-02-21 | 1995-04-26 | トヨタ自動車株式会社 | アルミ合金鋳物製内燃機関用シリンダヘッドの改良処理方法 |
| JPS6274043A (ja) * | 1985-09-27 | 1987-04-04 | Ube Ind Ltd | 加圧鋳造用高力アルミニウム合金 |
| US5178695A (en) | 1990-05-02 | 1993-01-12 | Allied-Signal Inc. | Strength enhancement of rapidly solidified aluminum-lithium through double aging |
| CH689143A5 (de) | 1994-06-16 | 1998-10-30 | Rheinfelden Aluminium Gmbh | Aluminium-Silizium Druckgusslegierung mit hoher Korrosionsbestaendigkeit, insbesondere fuer Sicherheitsbauteile. |
| JP3764200B2 (ja) | 1996-03-19 | 2006-04-05 | 株式会社デンソー | 高強度ダイカスト品の製造方法 |
-
2000
- 2000-09-09 WO PCT/EP2000/008822 patent/WO2001023633A2/de not_active Ceased
- 2000-09-09 ES ES00965954T patent/ES2211617T3/es not_active Expired - Lifetime
- 2000-09-09 US US10/088,779 patent/US6752885B1/en not_active Expired - Fee Related
- 2000-09-09 EP EP00965954A patent/EP1218561B1/de not_active Expired - Lifetime
- 2000-09-09 JP JP2001527012A patent/JP2003510463A/ja active Pending
- 2000-09-09 AT AT00965954T patent/ATE255646T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0123633A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001023633A2 (de) | 2001-04-05 |
| ES2211617T3 (es) | 2004-07-16 |
| US6752885B1 (en) | 2004-06-22 |
| ATE255646T1 (de) | 2003-12-15 |
| JP2003510463A (ja) | 2003-03-18 |
| WO2001023633A3 (de) | 2001-11-01 |
| EP1218561B1 (de) | 2003-12-03 |
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