EP3024958A1 - High-temperature-resistant aluminium casting alloy and cast part for internal combustion engines cast from such an alloy - Google Patents
High-temperature-resistant aluminium casting alloy and cast part for internal combustion engines cast from such an alloyInfo
- Publication number
- EP3024958A1 EP3024958A1 EP14744487.1A EP14744487A EP3024958A1 EP 3024958 A1 EP3024958 A1 EP 3024958A1 EP 14744487 A EP14744487 A EP 14744487A EP 3024958 A1 EP3024958 A1 EP 3024958A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cast
- alloy
- aluminum
- casting
- alloys
- 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
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 73
- 239000000956 alloy Substances 0.000 title claims abstract description 73
- 238000005266 casting Methods 0.000 title claims abstract description 59
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 45
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 14
- 239000004411 aluminium Substances 0.000 title abstract 4
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 35
- 229910052719 titanium Inorganic materials 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 7
- 229910052726 zirconium Inorganic materials 0.000 abstract description 7
- 229910052748 manganese Inorganic materials 0.000 abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 15
- 239000010936 titanium Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910018566 Al—Si—Mg Inorganic materials 0.000 description 1
- 229910018594 Si-Cu Inorganic materials 0.000 description 1
- 229910008465 Si—Cu Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/002—Castings of light metals
- B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
-
- 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
- C22F1/057—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 copper as the next major constituent
Definitions
- the invention relates to an aluminum casting alloy, which can be cast well and has a high strength in the warm state even after a long service life at high operating temperatures.
- the invention relates to a component for
- Cast aluminum alloy is poured.
- suitable cast aluminum alloys have a high yield strength in both space and in
- Combustion engine can be created, the optimized mechanical properties when used at high
- the solution to the above-mentioned object is that such a casting is cast from an aluminum casting alloy according to the invention.
- the alloy according to the invention is suitable in particular for the casting production of
- the cast aluminum alloy according to the invention contains, in addition to aluminum and production-related unavoidable
- Impurities (in% by weight) 6.0-8.0% Cu, 0.3-0.55% Mn, 0.18-0.25% Zr, 3.0-7.0% Si, O, 05-0.2% Ti, up to 0.03% Sr, up to 0.04% V and up to 0.25% Fe.
- aluminum cast alloy components reach in the state T6W, d. H. solution annealed and thermally aged for 4 hours at 240 ° C, at room temperature under static load in average regular tensile strength Rm of more than 260 MPa, a Brinell hardness HB of at least 90 HB, a yield strength Rp0.2 of at least 170 MPa and an elongation at break A of at least 1.65%.
- Components at room temperature under static load in each case on average a tensile strength Rm of at least 190 MPa, a yield strength Rp0,2 of at least 90 MPa, a hardness HB of at least 67 HB and an elongation at break A of at least 3.5%. These values remain stable even after prolonged use at high temperatures. For example, occurs during a lasting over 500 h Use at 300 ° C virtually no change in the
- the high-temperature strength of an aluminum casting alloy according to the invention is consequently significantly higher than in conventional, today standard used for the casting of internal combustion engine components
- Cast aluminum alloy cast components have no optically detectable cracks and largely
- Cast aluminum alloy thus allows the reliable casting production of castings, which also in high operating temperatures have optimal load capacity.
- Cu is contained in the alloy according to the invention in contents of 6.0-8.0 wt .-% to the required
- Cu contributes to the hardenability of the aluminum casting alloy.
- Aluminum casting alloy according to the invention are ensured particularly secure when the Cu content at least
- Aluminum casting alloy is in the range of 3.0 - 7.0 wt .-%.
- the focus of the properties can be placed on the castability on the one hand and on the heat resistance on the other hand by an appropriate adjustment of the Si content within this content range.
- aluminum alloy according to the invention is less than 5.0 wt .-%.
- Aluminum casting alloy as stable in terms of their properties and behavior in a
- the Si content of the aluminum alloy according to the invention can be increased to 5.0% by weight, in particular 5.5% by weight.
- An aluminum alloy according to the invention which is optimized with regard to castability on the one hand and heat resistance on the other hand, results when the Si content is limited to at most 7% by weight, in particular to at most 6.5% by weight.
- Aluminum casting alloy cast components This positive effect occurs in particular when the Mn Content of the aluminum casting alloy according to the invention is from 0.4 to 0.55 wt .-%.
- Zr in amounts of 0.18-0.25 wt .-% contributes significantly to the fine grain of the structure of a
- aluminum alloy according to the invention is 0.2-0.25% by weight.
- Aluminum casting alloy existing titanium is expected to be 0.12 wt .-%.
- Sr is optionally added to the cast aluminum alloy of the invention for refining.
- the addition of Sr is therefore particularly in inventive
- the Si contents of at least 5.0 wt .-% have.
- at lower Si contents it is sufficient from the aluminum casting alloy
- a further optimized with good castability in view of maximized mechanical properties of this variant variant consists of aluminum and unavoidable impurities and (in parts. %) 6.5-7.5% by weight Cu, 0.4-0.55% by weight Mn, 0.20-0.25% Zr, up to 0.12% Fe, 3.5% 4.5% Si, 0.08 - 0.12% Ti, up to 0.02% V and 0.05-0.02% Sr.
- an aluminum casting alloy according to the invention (in% by weight) contains 6.0-8.0% Cu , 0.3-0.55% Mn, 0.18-0.25% Zr, up to 0.25% Fe, 5.0-7.0 Si, 0.05-0.2% Ti, up to 0.04% V and 0.01-0.03% Sr.
- the invention is based on
- Fig. 1 is a diagram in which each at
- Aluminum casting alloys E1, E2, E3 according to the invention are compared with the mechanical properties of a casting sample made of a comparison alloy V in each case in state T6W;
- Fig. 2 is a diagram in which each at 300 ° C.
- Fig. 4 is a diagram in which each at 300 ° C.
- cylinder heads produced by comparison alloy have higher strengths, however their breaking elongation A is in each case significantly lower than the breaking elongation A determined for the samples according to the invention.
- Standard cast alloys Sl and S2 prepared, whose compositions listed in Table 5 the known aluminum casting alloys "AlSi7Cu0, 5Mg" and "AlSi6Cu4" correspond.
- the cylinder heads cast from the standard alloys S1 and S2 were each subjected to the typical heat treatments. That's how they turned out
- the alloy Sl-cast cylinder heads were subjected to a T6 air heat treatment and the cylinder heads cast from the alloy S2 were subjected to a T6 heat treatment.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14744487T PL3024958T3 (en) | 2013-07-22 | 2014-07-15 | High temperature strength aluminium casting alloy and casting for combustion engines cast from said alloy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013107810.9A DE102013107810A1 (en) | 2013-07-22 | 2013-07-22 | High-temperature cast aluminum alloy and casting for internal combustion engines cast from such an alloy |
PCT/EP2014/065130 WO2015010956A1 (en) | 2013-07-22 | 2014-07-15 | High-temperature-resistant aluminium casting alloy and cast part for internal combustion engines cast from such an alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3024958A1 true EP3024958A1 (en) | 2016-06-01 |
EP3024958B1 EP3024958B1 (en) | 2018-01-03 |
Family
ID=51229876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14744487.1A Active EP3024958B1 (en) | 2013-07-22 | 2014-07-15 | High temperature strength aluminium casting alloy and casting for combustion engines cast from said alloy |
Country Status (15)
Country | Link |
---|---|
US (1) | US9663848B2 (en) |
EP (1) | EP3024958B1 (en) |
JP (1) | JP6101402B2 (en) |
KR (1) | KR101718118B1 (en) |
CN (1) | CN105408510A (en) |
BR (1) | BR112015018372B1 (en) |
DE (1) | DE102013107810A1 (en) |
ES (1) | ES2662347T3 (en) |
HU (1) | HUE036331T2 (en) |
MX (1) | MX2015016249A (en) |
PL (1) | PL3024958T3 (en) |
RU (1) | RU2606141C1 (en) |
TR (1) | TR201802630T4 (en) |
WO (1) | WO2015010956A1 (en) |
ZA (1) | ZA201505425B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11220729B2 (en) | 2016-05-20 | 2022-01-11 | Ut-Battelle, Llc | Aluminum alloy compositions and methods of making and using the same |
US11242587B2 (en) | 2017-05-12 | 2022-02-08 | Ut-Battelle, Llc | Aluminum alloy compositions and methods of making and using the same |
CN107400809A (en) * | 2017-07-31 | 2017-11-28 | 江苏大学 | The zirconium strontium compound microalloyed Al-Si-Cu-based cast aluminium alloy gold of high tough corrosion-resistant low silicon content and preparation method |
WO2019084320A1 (en) | 2017-10-26 | 2019-05-02 | Amit Shyam | Heat treatments for high temperature cast aluminum alloys |
CN109402473B (en) * | 2018-12-11 | 2019-12-03 | 贵州大学 | A kind of Al-Si-Cu-Mn heat-resisting aluminium alloy and preparation method thereof with high Fe content |
KR20200082875A (en) | 2018-12-31 | 2020-07-08 | 주식회사 팔 | A method for manufacturing brake calliper using aluminum alloy |
CN110592448B (en) * | 2019-08-27 | 2021-06-22 | 江苏大学 | Heat-resistant corrosion-resistant 2219 type aluminum alloy and preparation method thereof |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04202737A (en) * | 1990-11-30 | 1992-07-23 | Showa Alum Corp | Wear resistant aluminum alloy excellent in strength |
JP4132293B2 (en) * | 1997-10-15 | 2008-08-13 | 株式会社豊田中央研究所 | Aluminum alloy with excellent fatigue resistance |
US6419769B1 (en) * | 1998-09-08 | 2002-07-16 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Aluminum-silicon alloy having improved properties at elevated temperatures and process for producing cast articles therefrom |
US6918970B2 (en) | 2002-04-10 | 2005-07-19 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | High strength aluminum alloy for high temperature applications |
RU2224811C2 (en) * | 2002-06-03 | 2004-02-27 | Татьяна Николаевна Легкая | Casting alloy on the base of aluminum |
FR2857378B1 (en) * | 2003-07-10 | 2005-08-26 | Pechiney Aluminium | HIGH-RESISTANCE ALUMINUM ALLOY-MOLDED MOLDED PIECE |
RU2306351C1 (en) * | 2006-04-05 | 2007-09-20 | Юлия Алексеевна Щепочкина | Aluminum base alloy |
RU2329321C2 (en) * | 2006-05-10 | 2008-07-20 | Новосибирский государственный технический университет | Antifriction alloy on aluminium base |
DE102009026725A1 (en) | 2008-07-04 | 2010-01-07 | Aleris Aluminum Koblenz Gmbh | Cast aluminum alloy |
DE102009012073B4 (en) | 2009-03-06 | 2019-08-14 | Andreas Barth | Use of an aluminum casting alloy |
DE102011083968A1 (en) | 2011-10-04 | 2013-04-04 | Federal-Mogul Nürnberg GmbH | Method for producing an engine component and engine component |
-
2013
- 2013-07-22 DE DE102013107810.9A patent/DE102013107810A1/en not_active Withdrawn
-
2014
- 2014-07-15 TR TR2018/02630T patent/TR201802630T4/en unknown
- 2014-07-15 MX MX2015016249A patent/MX2015016249A/en active IP Right Grant
- 2014-07-15 US US14/904,834 patent/US9663848B2/en active Active
- 2014-07-15 WO PCT/EP2014/065130 patent/WO2015010956A1/en active Application Filing
- 2014-07-15 BR BR112015018372A patent/BR112015018372B1/en not_active IP Right Cessation
- 2014-07-15 JP JP2016515994A patent/JP6101402B2/en active Active
- 2014-07-15 RU RU2015142970A patent/RU2606141C1/en not_active IP Right Cessation
- 2014-07-15 EP EP14744487.1A patent/EP3024958B1/en active Active
- 2014-07-15 HU HUE14744487A patent/HUE036331T2/en unknown
- 2014-07-15 CN CN201480041733.8A patent/CN105408510A/en active Pending
- 2014-07-15 KR KR1020167004254A patent/KR101718118B1/en active IP Right Grant
- 2014-07-15 PL PL14744487T patent/PL3024958T3/en unknown
- 2014-07-15 ES ES14744487.1T patent/ES2662347T3/en active Active
-
2015
- 2015-07-28 ZA ZA2015/05425A patent/ZA201505425B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20160168665A1 (en) | 2016-06-16 |
ES2662347T3 (en) | 2018-04-06 |
US9663848B2 (en) | 2017-05-30 |
DE102013107810A1 (en) | 2015-02-19 |
ZA201505425B (en) | 2016-04-28 |
CN105408510A (en) | 2016-03-16 |
KR20160048777A (en) | 2016-05-04 |
BR112015018372A2 (en) | 2017-07-18 |
BR112015018372B1 (en) | 2020-02-04 |
MX2015016249A (en) | 2016-03-11 |
TR201802630T4 (en) | 2018-03-21 |
PL3024958T3 (en) | 2018-07-31 |
RU2606141C1 (en) | 2017-01-10 |
HUE036331T2 (en) | 2018-06-28 |
WO2015010956A1 (en) | 2015-01-29 |
JP6101402B2 (en) | 2017-03-22 |
JP2016531198A (en) | 2016-10-06 |
EP3024958B1 (en) | 2018-01-03 |
KR101718118B1 (en) | 2017-03-20 |
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