EP1074636A1 - Aluminiumlegierung - Google Patents
Aluminiumlegierung Download PDFInfo
- Publication number
- EP1074636A1 EP1074636A1 EP00116579A EP00116579A EP1074636A1 EP 1074636 A1 EP1074636 A1 EP 1074636A1 EP 00116579 A EP00116579 A EP 00116579A EP 00116579 A EP00116579 A EP 00116579A EP 1074636 A1 EP1074636 A1 EP 1074636A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alloy
- aluminum
- aluminum alloy
- content
- proportions
- 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
Definitions
- the invention relates to an aluminum alloy Manufacture of heat shields with one Alloy content of aluminum greater than 97%.
- Al 99.5 has the following alloy proportions in addition to aluminum within the specified limits: Alloy component Value-to silicon 0.25% copper 0.05% magnesium 0.05% zinc 0.07% manganese 0.05% titanium 0.05% Other 0.03%
- Al 99.5 is advantageous from the point of view of high heat shielding and high formability, but at the same time is problematic from various other aspects.
- Al 99.5 has a low strength. When using heat shields in motor vehicle construction, however, considerable demands are placed on the strength, which result, for example, from the effects of the wind or spray water at high speeds and the impact of stone chips.
- the low strength of Al 99.5 means that sheet metal parts with a greater thickness have to be used to ensure the required strength, which on the one hand increases the costs and on the other hand increases the weight of the heat shielding plate.
- Al 99.5 has good deep-drawing properties due to the high elongation values.
- the yield strength is, however, low at around 30 N / mm 2 .
- the low proof stress of Al 99.5 limits the possibilities during the forming process in the manufacture of heat shielding plates.
- the dynamic load pick-ups are made of Al 99.5 manufactured heat shields due to the strong Coarse grain formation insufficient.
- the structural Reasons to use knobbed sheets, which is desirable per se is in connection with the use of Al 99.5 problematic, since dimensional stability is not guaranteed can be. This ensures this dimensional stability impaired that with knobbed sheets on the formed Knob areas with increased coarse grain formation must be expected after a heat load.
- the invention is based on the object To provide aluminum alloy that a further improved formability compared to Al 99.5, improved strength, higher thermal Stability and less tendency to form coarse grains having.
- the sum of the Alloy proportions of at most two Main alloy components exceeds at least a factor of 5.
- the Overweight according to the invention of at most two for Al 99.5 main alloy components permitted according to DIN compared to the permissible according to DIN for Al 99.5 Remaining alloy components ensures that the aluminum alloy according to the invention clearly has a more homogeneous structure, resulting in strength and the stretchability is improved and at the same time the Tendency to coarse grain formation is reduced. At the same time the elasticity remains at least at the same level.
- Aluminum alloy will double the Yield point while increasing strength guaranteed by up to 50% that the sum of the Alloy proportions of the skin care components Sum of the alloy proportions of the remaining alloy components by at least a factor of 10.
- An optimization of the yield strength and the strength is in an aluminum alloy according to the invention ensures that the alloy content of manganese is between 0.35% and 0.45%.
- An aluminum alloy according to the invention in iron the only main alloy component is one improved yield strength and strength compared to Al 99.5 with improved stretchability.
- an inventive Aluminum alloy is used both in the event that iron and manganese form the main alloy components as well in the event that iron is the only one Main alloy component forms, thereby ensuring that the alloy content of iron between 1.25% and 1.35%.
- the alloy portion of aluminum is at least 98%.
- the alloy content of silicon is not 0.2% exceeds, it is ensured that the desired Increase in the yield strength and strength at least constant extensibility and reduced Coarse grain formation is achieved. Is for the same reasons it is advantageous if the alloy content of magnesium 0.003% and / or the alloy content of zinc 0.03 not exceeds.
- An elongation limit improved to approximately 100 N / mm 2 is guaranteed with an aluminum alloy with proportions of the alloy components also approved according to DIN for Al 99.5 within the following limits: Alloy component Value of Value-to silicon 0.05% 0.1% copper 0.0% 0.05% magnesium 0.0% 0.003% zinc 0.0% 0.03% boron 0.0% 0.002% sodium 0.0% 0.001% lithium 0.0% 0.0002% iron 1.25% 1.35% manganese 0.35% 0.45% chrome 0.0% 0.02% titanium 0.0% 0.03% beryllium 0.0% 0.0% calcium 0.0% 0.001%
- the alloy proportions for a first exemplary embodiment of an aluminum alloy according to the invention are now given below, which have an elastic limit of approximately 110 N / mm 2 , a breaking strength of 124 N / mm 2 and an elongation of approximately 45%.
- the alloy proportions for such an aluminum alloy are as follows: Proportion of alloy Alloy component silicon 0.063% copper 0.005% magnesium 0.0016% zinc 0.0036% boron 0.001% sodium ⁇ 0.001% iron 1.34% manganese 0.37% chrome 0.0014% titanium 0.019%
- the alloy proportions for a second exemplary embodiment of an aluminum alloy according to the invention are now given below, which have a yield strength of approximately 66 N / mm 2 , a strength of approximately 108 N / mm 2 and an extensibility of approximately 52%.
- the alloying proportions for such an aluminum alloy are as follows: Proportion of alloy Alloy component silicon 0.08% copper 0.004% magnesium 0.0021% zinc 0.0044% boron 0.001% sodium ⁇ 0.001% iron 1.3% manganese 0.014% chrome 0.0012% titanium 0.02%
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Body Structure For Vehicles (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Building Environments (AREA)
- Cookers (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
Legierungskomponente | Wert-bis |
Silizium | 0,25% |
Kupfer | 0,05% |
Magnesium | 0,05% |
Zink | 0,07% |
Mangan | 0,05% |
Titan | 0,05% |
Sonstige | 0,03% |
Legierungskomponente | Wert-von | Wert-bis |
Silizium | 0,05% | 0,1% |
Kupfer | 0,0% | 0,05% |
Magnesium | 0,0% | 0,003% |
Zink | 0,0% | 0,03% |
Bor | 0,0% | 0,002% |
Natrium | 0,0% | 0,001% |
Lithium | 0,0% | 0,0002% |
Eisen | 1,25% | 1,35% |
Mangan | 0,35% | 0,45% |
Chrom | 0,0% | 0,02% |
Titan | 0,0% | 0,03% |
Beryllium | 0,0% | 0,0% |
Kalzium | 0,0% | 0,001% |
Legierungsanteil | Legierungs komponente |
Silizium | 0,063% |
Kupfer | 0,005% |
Magnesium | 0,0016% |
Zink | 0,0036% |
Bor | 0,001% |
Natrium | <0,001% |
Eisen | 1,34% |
Mangan | 0,37% |
Chrom | 0,0014% |
Titan | 0,019% |
Legierungsanteil | Legierungskomponente |
Silizium | 0,08% |
Kupfer | 0,004% |
Magnesium | 0,0021% |
Zink | 0,0044% |
Bor | 0,001% |
Natrium | <0,001% |
Eisen | 1,3% |
Mangan | 0,014% |
Chrom | 0,0012% |
Titan | 0,02% |
Claims (12)
- Aluminiumlegierung zur Herstellung von Wärmeabschirmblechen mit einem Legierungsanteil von Aluminium größer als 97%,
dadurch gekennzeichnet, daß die Summe der Legierungsanteile von höchstens 2 Hauptlegierungskomponenten die Summe der Legierungsanteile der Restlegierungskomponenten um mindestens den Faktor 5 übersteigt. - Aluminiumlegierung nach Anspruch 1,
dadurch gekennzeichnet, daß die Summe der Legierungsanteile der Hauptlegierungskomponenten die Summe der Legierungsanteile der Restlegierungskomponenten um mindestens den Faktor 10 übersteigt. - Aluminiumlegierung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß Eisen und Mangan die Hauptlegierungskomponenten bilden. - Aluminiumlegierung nach Anspruch 3,
dadurch gekennzeichnet, daß der Legierungsanteil von Mangan zwischen 0,35% und 0,45% liegt. - Aluminiumlegierung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß Eisen die einzige Hauptlegierungskomponente bildet. - Aluminiumlegierung nach einem der Ansprüche 3 bis 5,
dadurch gekennzeichnet, daß der Legierungsanteil von Eisen zwischen 1,25% und 1,35% liegt. - Aluminiumlegierung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß der Legierungsanteil von Aluminium mindestens 98% beträgt. - Aluminiumlegierung nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß der Legierungsanteil von Silizium 0,2% nicht übersteigt. - Aluminiumlegierung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß der Legierungsanteil von Magnesium 0,003% nicht übersteigt. - Aluminiumlegierung nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, daß der Legierungsanteil von Zink 0,03% nicht übersteigt. - Aluminiumlegierung nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet, daß der Legierungsanteil von Titan 0,03% nicht übersteigt. - Aluminiumlegierung nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß der Legierungsanteil von Chrom 0,02% nicht übersteigt.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19936234 | 1999-08-05 | ||
DE19936234 | 1999-08-05 | ||
DE19948820 | 1999-10-09 | ||
DE19948820A DE19948820B4 (de) | 1999-08-05 | 1999-10-09 | Wärmeabschirmblech bestehend aus einer Aluminiumlegierung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1074636A1 true EP1074636A1 (de) | 2001-02-07 |
EP1074636B1 EP1074636B1 (de) | 2005-03-23 |
Family
ID=26054452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00116579A Expired - Lifetime EP1074636B1 (de) | 1999-08-05 | 2000-08-01 | Verwendung von Blech aus einer Aluminiumlegierung für das Abschirmen von Wärme |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1074636B1 (de) |
AT (1) | ATE291646T1 (de) |
CZ (1) | CZ296688B6 (de) |
DE (1) | DE29923957U1 (de) |
ES (1) | ES2238955T3 (de) |
PT (1) | PT1074636E (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101469386B (zh) * | 2007-04-12 | 2011-01-26 | 日本轻金属株式会社 | 电池盖用铝合金板及其制造方法 |
WO2016005484A1 (de) * | 2014-07-09 | 2016-01-14 | Hydro Aluminium Rolled Products Gmbh | Verwendung einer aluminiumlegierung bzw. eines aluminiumflachprodukts aus einer solchen legierung für ein aluminium-kunststoff-verbundbauteil |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483719A (en) * | 1983-08-23 | 1984-11-20 | Swiss Aluminium Ltd. | Process for preparing fine-grained rolled aluminum products |
DD224874A1 (de) * | 1984-06-21 | 1985-07-17 | Mansfeld Kom W Pieck Fi F Ne M | Aluminiumlegierung und verfahren zur verarbeitung der legierung |
EP0486427A1 (de) * | 1990-11-12 | 1992-05-20 | Rieter Automotive (International) Ag | Entsorgbarer Hitzeschild |
US5380379A (en) * | 1993-08-18 | 1995-01-10 | Alcoa Aluminio Do Nordeste S.A. | Aluminum foil product and manufacturing method |
-
1999
- 1999-10-09 DE DE29923957U patent/DE29923957U1/de not_active Expired - Lifetime
-
2000
- 2000-08-01 PT PT00116579T patent/PT1074636E/pt unknown
- 2000-08-01 ES ES00116579T patent/ES2238955T3/es not_active Expired - Lifetime
- 2000-08-01 AT AT00116579T patent/ATE291646T1/de active
- 2000-08-01 EP EP00116579A patent/EP1074636B1/de not_active Expired - Lifetime
- 2000-08-04 CZ CZ20002880A patent/CZ296688B6/cs not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483719A (en) * | 1983-08-23 | 1984-11-20 | Swiss Aluminium Ltd. | Process for preparing fine-grained rolled aluminum products |
DD224874A1 (de) * | 1984-06-21 | 1985-07-17 | Mansfeld Kom W Pieck Fi F Ne M | Aluminiumlegierung und verfahren zur verarbeitung der legierung |
EP0486427A1 (de) * | 1990-11-12 | 1992-05-20 | Rieter Automotive (International) Ag | Entsorgbarer Hitzeschild |
US5380379A (en) * | 1993-08-18 | 1995-01-10 | Alcoa Aluminio Do Nordeste S.A. | Aluminum foil product and manufacturing method |
Non-Patent Citations (2)
Title |
---|
P.SPIEKERMANN: "Legierungen - ein besonderes patentrechtliches Problem?", MITTEILUNG DER DEUTSCHEN PATENTANWÄLTE, 1993, DE, pages 178 - 190, XP002152326 * |
W.HUFNAGEL: "Aluminium-Taschenbuch", 1980, ALUMINIUM VERLAG, DUSSELDORF, XP002152327 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101469386B (zh) * | 2007-04-12 | 2011-01-26 | 日本轻金属株式会社 | 电池盖用铝合金板及其制造方法 |
CN102136554B (zh) * | 2007-04-12 | 2014-10-01 | 日本轻金属株式会社 | 电池盖用铝合金板及其制造方法 |
WO2016005484A1 (de) * | 2014-07-09 | 2016-01-14 | Hydro Aluminium Rolled Products Gmbh | Verwendung einer aluminiumlegierung bzw. eines aluminiumflachprodukts aus einer solchen legierung für ein aluminium-kunststoff-verbundbauteil |
CN106536772A (zh) * | 2014-07-09 | 2017-03-22 | 海德鲁铝业钢材有限公司 | 铝合金或该合金组成的扁铝制品应用于铝‑塑料复合构件 |
US10792892B2 (en) | 2014-07-09 | 2020-10-06 | Hydro Aluminium Rolled Products Gmbh | Use of an aluminium alloy or of an aluminium flat product made from an alloy of this type for an aluminium-plastic composite part |
CN111893349A (zh) * | 2014-07-09 | 2020-11-06 | 海德鲁铝业钢材有限公司 | 铝合金或该合金组成的扁铝制品应用于铝-塑料复合构件 |
Also Published As
Publication number | Publication date |
---|---|
PT1074636E (pt) | 2005-07-29 |
CZ20002880A3 (cs) | 2001-11-14 |
CZ296688B6 (cs) | 2006-05-17 |
DE29923957U1 (de) | 2001-07-05 |
ES2238955T3 (es) | 2005-09-16 |
EP1074636B1 (de) | 2005-03-23 |
ATE291646T1 (de) | 2005-04-15 |
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