EP3497257A1 - Al casting alloy - Google Patents
Al casting alloyInfo
- Publication number
- EP3497257A1 EP3497257A1 EP17755414.4A EP17755414A EP3497257A1 EP 3497257 A1 EP3497257 A1 EP 3497257A1 EP 17755414 A EP17755414 A EP 17755414A EP 3497257 A1 EP3497257 A1 EP 3497257A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casting
- casting alloy
- content
- alloy according
- less
- 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.)
- Withdrawn
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
-
- 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
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium 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
- 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 an aluminum casting alloy.
- Impurities ⁇ 0.1% by weight
- the invention is therefore based on the object to further improve such Al-casting alloy in terms of their castability, without their mechanical properties are excessively adversely affected.
- Impurities ⁇ 0.1% by weight
- the alloys according to the invention may contain production-related impurities. It may be advantageous if the permissible admixture for P is at most 10 ppm. It may be advantageous if the permissible admixture for Ca is at most 20 ppm. It may be advantageous if the permissible admixture for Sb is at most 40 ppm. It may be advantageous if the permissible admixture for Cd is at most 75 ppm. It may be advantageous if the permissible admixture for Na is at most 15 ppm. It may be advantageous if the permissible admixture for Na is at most 15 ppm. It may be advantageous if permissible admixtures of other alloying constituents in each case individually a maximum of 0.03 wt .-%, in the sum, however, as already mentioned, a maximum of 0.10 wt .-% amount.
- Si with a content of more than 4.0 wt .-%, preferably of at least 4.5 wt .-%, more preferably of at least 4.7% by weight, very particularly preferably at least 4.9% by weight.
- Si with a content of at most 5.5 wt .-%, preferably of at most 5.3 wt .-%, particularly preferably of at most 5 , 1 wt .-% is included.
- Mg with a content of more than 0.45 wt .-%, preferably of at least 0.47 wt .-%, particularly preferably of 0 , 49 wt .-% is included.
- Mg with a content of less than 0.55 wt.% Preferably of at most 0.53 wt.%, Particularly preferably of 0.51 wt. is included
- Fe with a content of less than 0.18 wt .-%, preferably of up to 0.15 wt .-%, particularly preferably with a content of up to 0.12 wt .-%, is included.
- Fe is contained at a content of at least 0.01 wt .-%.
- Mn with a content of up to 0.06 wt .-%, preferably of up to 0.05 wt .-%, particularly preferably up to 0.03 wt .-%, is contained.
- Mn is present at a level of at least 0.01% by weight.
- Ti is present at a content of less than 0.2 wt .-%, preferably of up to 0.03 wt .-%.
- Ti is present at a level of at least 0.005% by weight, preferably at least 0.010% by weight, particularly preferably more than 0.015% by weight.
- Cu may be advantageous for Cu to contain up to 0.03% by weight, preferably up to 0.015% by weight, preferably up to 0, of 01, more preferably of up to 0.0075 wt .-% is included.
- Sr is contained with a content of at least 0.015 wt .-%, preferably of at least 0.019 wt .-%.
- Sr is contained with a content of up to 0.025 wt .-%, preferably of up to 0.024 wt .-%.
- Zr is present at a content of less than 0.006 wt .-%, preferably from 0.001 to 0.005 wt .-%.
- Zn is present at a content of less than 0.006 wt .-%, preferably from 0.001 to 0.005 wt .-%.
- impurities are included in the total with a content of ⁇ 0.05 wt .-%.
- impurities are contained individually with a content of ⁇ 0.005% by weight.
- the Al casting alloy according to the invention is a low-pressure Al casting alloy.
- the invention also relates to a method for producing a cast component from an Al casting alloy according to one of claims 1 to 22, in which the low-pressure casting method is used.
- the Al casting alloy is a counter pressure (CPC) -AI cast alloy.
- the invention also relates to a method for producing a cast component from an Al casting alloy according to one of claims 1 to 22, in which the low-pressure counter-pressure casting method is used.
- the squeeze casting, the gravity die casting or the die casting, in particular the thixo , Rheo- or low-pressure sand casting find application.
- the cast components are subjected to a two-stage heat treatment, namely solution heat treatment and subsequent heat aging. It may be advantageous if the cast component is quenched in air or preferably water between the two heat treatment stages.
- the cast component after the casting process between 530 ° C and 550 ° C for 6 to 10h, preferably between 540 ° C and 550 ° C for 7 to 9 h, especially for 8 to 9h, most preferably between more than 540 ° C and 550 ° C for 7 to 9 h, in particular for 8 to 9h, solution-annealed.
- the cast component after the casting process between 180 ° C and 210 ° C for 1 to 8h, especially for 1 to 6.5h, preferably between 180 ° C and 190 ° C for 1 to 6.5h, in particular for 4 to 6.5 hours, more preferably between 180 ° C and less than 190 ° C for 4 to 6.5 hours, especially for 5 to 6.5 hours, is tempered.
- the invention further provides for the use of an Al casting alloy according to one of the claims or a particularly heat-treated cast component according to one of the claims for chassis parts of motor vehicles, preferably for wheel-guiding components of motor vehicles, very particularly preferably for shock absorber stilts, wheel carriers, pivot bearings or, in particular, control arms of motor vehicles ,
- the Al casting alloy according to the invention is preferably provided for a transverse link, as disclosed in the German patent application DE 10 2015 122 859.9.
- the content of DE 10 2015 122 859.9 is incorporated by express reference as belonging to the subject matter of the present application in the disclosure of the present application.
- the invention further provides for the use of an Al casting alloy according to one of the claims or in particular a heat-treated cast component according to one of the claims for rims of motor vehicles.
- Cast components according to the invention which are produced from an Al casting alloy according to one of the claims and / or a method according to one of the claims, are distinguished by the fact that, despite the improved castability, no excessively negative influence on their mechanical properties obtained after a heat treatment, in particular the Yield strength R P 0.2 from 300 to 325 MPa, preferably from 305 to 310 MPa, and / or the elongation at break A5 from 4 to 10%, preferably from 7 to 9%, and / or the tensile strength R m of 350-375 MPa , preferably from 350 to 360 MPa.
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)
- Body Structure For Vehicles (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016115103 | 2016-08-15 | ||
PCT/DE2017/100662 WO2018033177A1 (en) | 2016-08-15 | 2017-08-04 | Al casting alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3497257A1 true EP3497257A1 (en) | 2019-06-19 |
Family
ID=59686707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17755414.4A Withdrawn EP3497257A1 (en) | 2016-08-15 | 2017-08-04 | Al casting alloy |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190185968A1 (en) |
EP (1) | EP3497257A1 (en) |
CN (1) | CN109642276A (en) |
DE (2) | DE112017004089A5 (en) |
WO (1) | WO2018033177A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11421304B2 (en) * | 2017-10-26 | 2022-08-23 | Tesla, Inc. | Casting aluminum alloys for high-performance applications |
CN112226655B (en) * | 2020-10-13 | 2021-12-14 | 安徽拓普勒汽车科技有限公司 | Composite aluminum alloy wheel and manufacturing method thereof |
CN112522555A (en) * | 2020-11-24 | 2021-03-19 | 华南理工大学 | High-toughness extrusion casting aluminum-silicon alloy and preparation method thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104160049B (en) * | 2012-02-01 | 2016-09-14 | 株式会社Uacj | Mar proof, extrudability, the aluminium alloy of forging excellent processability |
EP2700727B1 (en) * | 2012-08-23 | 2014-12-17 | KSM Castings Group GmbH | Al casting alloy |
MX359907B (en) * | 2013-02-06 | 2018-10-16 | Ksm Castings Group Gmbh | Aluminium casting alloy. |
DE102015111020A1 (en) * | 2014-07-29 | 2016-02-04 | Ksm Castings Group Gmbh | Al-cast alloy |
-
2017
- 2017-08-04 CN CN201780050385.4A patent/CN109642276A/en active Pending
- 2017-08-04 US US16/325,265 patent/US20190185968A1/en not_active Abandoned
- 2017-08-04 DE DE112017004089.2T patent/DE112017004089A5/en not_active Withdrawn
- 2017-08-04 WO PCT/DE2017/100662 patent/WO2018033177A1/en unknown
- 2017-08-04 EP EP17755414.4A patent/EP3497257A1/en not_active Withdrawn
- 2017-08-04 DE DE102017117711.6A patent/DE102017117711A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20190185968A1 (en) | 2019-06-20 |
CN109642276A (en) | 2019-04-16 |
DE112017004089A5 (en) | 2019-05-09 |
WO2018033177A1 (en) | 2018-02-22 |
DE102017117711A1 (en) | 2018-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3175009B1 (en) | Al-casting alloy | |
EP2954081B1 (en) | Aluminium casting alloy | |
EP2700727B1 (en) | Al casting alloy | |
US8845827B2 (en) | 2XXX series aluminum lithium alloys having low strength differential | |
EP3825428B1 (en) | Die cast component and method for producing a die cast component | |
EP1718778B1 (en) | Material based on an aluminum alloy, method for the production thereof and its use | |
DE102007023323B4 (en) | Use of an Al-Mn alloy for high-temperature products | |
EP3314031A1 (en) | High-strength and easily formable almg-strip, and method for producing the same | |
EP3176275B2 (en) | Aluminium-silicon die casting alloy method for producing a die casting component made of the alloy, and a body component with a die casting component | |
DE202006006518U1 (en) | Aluminum casting alloy, useful in production of safety components, contains silicon | |
EP3497257A1 (en) | Al casting alloy | |
WO2018113838A1 (en) | Al casting alloy | |
DE112017007033B4 (en) | Chassis component for a motor vehicle made of an aluminium alloy and method for increasing the ductility and strength of an aluminium alloy | |
EP1518000A1 (en) | Al/cu/mg/ag alloy with si, semi-finished product made from such an alloy and method for production of such a semi-finished product | |
DE102018128040A1 (en) | Al-cast alloy | |
WO2007025528A2 (en) | Aluminium casting alloy | |
WO2013053354A2 (en) | Cast part | |
EP2041328A1 (en) | Aluminum alloy and the utilization thereof for a cast component, in particular a motor vehicle | |
EP3423606B1 (en) | Aluminium casting alloy | |
DE202015100698U1 (en) | cast alloy | |
EP1945827A1 (en) | Cold-workable ti alloy | |
DE102015007929A1 (en) | Cast aluminum alloy, method of manufacturing an aluminum cast alloy component and using an aluminum casting alloy | |
DE102004030021B4 (en) | Rolled product | |
AT512120B1 (en) | ALUMINUM ALLOY WITH TANTAL | |
DE102009048364A1 (en) | Front powered axle support for motor vehicle, has rear and front housings remote from each other in longitudinal direction, and housings respectively fixing gear-box and stabilizer, where housings integrated to chassis of support by bars |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190128 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LOGANATHAN, MANIKANDAN Inventor name: GREVEN, KLAUS |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20200224 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20200707 |