EP0863220B2 - Schraube oder Niet aus einer Aluminiumlegierung - Google Patents
Schraube oder Niet aus einer Aluminiumlegierung Download PDFInfo
- Publication number
- EP0863220B2 EP0863220B2 EP97810129A EP97810129A EP0863220B2 EP 0863220 B2 EP0863220 B2 EP 0863220B2 EP 97810129 A EP97810129 A EP 97810129A EP 97810129 A EP97810129 A EP 97810129A EP 0863220 B2 EP0863220 B2 EP 0863220B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- max
- weight
- screw
- rivet according
- alloy contains
- 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.)
- Expired - Lifetime
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
- C22C21/06—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
- 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
- C22F1/053—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 zinc as the next major constituent
Definitions
- the invention relates to a screw or rivet made of an aluminum alloy of the AlZnMgCu type for connecting components made of aluminum, magnesium or their alloys.
- a self-punching fastening device for making a riveted joint under The use of semi-hollow rivets is known for example from WO-A-95/09307.
- screws and punch rivets from aluminum materials are technically possible.
- screws are made from the well-known material AA7075, with one Tensile strength of about 500 to 600 MPa is achieved.
- An expansion of the possible uses would only be possible if the named connecting elements are manufactured economically from materials with higher strength could.
- Well-known materials with higher strength are the alloys AA7049, 7049A, 7149, 7249, 7349, 7449 and 7055, but their manufacture is not easy.
- WO-A-96/34993 also describes the manufacture of rivets Alloy AA7050 in the composition called 6.2% Zn, 2.2% Mg, 2.3% Cu and 0.12% Zr.
- the object of the invention is therefore to provide an alloy with which screws or rivets can be used of the type mentioned at the outset can be manufactured easily and economically with high strength.
- the alloy is made of 6.0 to 8.0 % By weight zinc 2.0 to 3.5 % By weight magnesium 1.6 to 1.9 % By weight copper 0.05 to 0.30 % By weight zirconium Max. 0.10 Wt% chromium Max. 0.50 Wt% manganese Max. 0.10 % By weight titanium Max. 0.20 % By weight silicon Max. 0.20 Wt% iron others individually max. 0.05% by weight, total max. 0.15 wt .-%, and the balance is aluminum and unavoidable impurities.
- the material used according to the invention is compared to comparable high-strength materials of the group AA7xxx easier to cast and easier to process warm by pressing and rolling.
- the corrosion resistance is also significantly better than comparable alloys according to the prior art.
- Suitable starting materials for the production of screws and rivets are extruded rods, whereby as Pre-material for punch rivets, for example, the use of sheet metal is also conceivable.
- the alloy When producing screws or rivets over bar stock, the alloy first becomes one Cast press bolts and the bolt after a homogenization annealing to a rod-shaped primary material pressed. After solution annealing and quenching of the primary material, this is usually caused by cold tumors processed into screws or rivets, which are then used to achieve the desired strength with sufficient Elongation can be subjected to heat curing.
- a particularly preferred production variant which allows a higher degree of cold forming with a correspondingly increased strength and also a better one Corrosion resistance leads to a regression annealing before cold forming of the primary material into a screw or rivet at a temperature of about 180 to 260 ° C for a period of about 5 seconds to 120 minutes carried out. A short treatment time applies to a high heat treatment temperature.
- Both screws or rivets according to the invention can be thermoset to the state T 6 or T 7 strengths up to 740 MPa can be achieved.
- the finished heat-treated screws or rivets can be anodized, coated, painted or further protected against corrosion in another way.
- screws can also be sealed, for example, with a Teflon or Ormocere layer.
- sealing and gluing in accordance with the known sped-cap method is also advantageous.
- the continuous casting was carried out for all alloys under the following conditions: lowering 6.5 to 7 m / min cooling water 75 l / min meniscus state 42 mm water level 40 cm under the mold
- annealing was carried out at 460 ° for 6 h. This was followed by a high-temperature anneal at 470 ° / 3h + 480 ° / 18h.
- the solution was carried out at a temperature of 470 ⁇ 3 ° C for a period of 0.5 h.
- Table 2 shows the data of all alloys obtained on the 10 x 50 mm flat profile.
- the heat treatment was carried out in each case as follows: solution annealing 470 ° C / 0.5 h stretch ⁇ 1% fertilizlagem ⁇ 1 day Harden Condition T 651: 130 ° C / 14h Condition T 7351: 105 ° C / 5h + 175 ° C / 7h
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Insertion Pins And Rivets (AREA)
- Heat Treatment Of Articles (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Joints With Pressure Members (AREA)
- Prevention Of Electric Corrosion (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surgical Instruments (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Wire Bonding (AREA)
- Massaging Devices (AREA)
Description
6,0 bis 8,0 | Gew.-% Zink |
2,0 bis 3,5 | Gew. -% Magnesium |
1,6 bis 1.9 | Gew.-% Kupter |
0,05 bis 0,30 | Gew.% Zirkonium |
max. 0,10 | Gew.-% Chrom |
max. 0,50 | Gew.-% Mangan |
max. 0,10 | Gew.-% Titan |
max. 0,20 | Gew.-% Silizium |
max. 0,20 | Gew.-% Eisen |
Zink | 6,6 bis 7,3, | insbesondere 6,7 bis 7,1 |
Magnesium | 2,3 bis 3,2, | insbesondere 2,6 bis 2,9 |
Zirkonium | max. 0,20, | insbesondere 0,13 bis 0,18 |
Chrom | max. 0.05, | |
Mangan | max. 0,25, | insbesondere max. 0,15 |
Titan | max. 0,05 | |
Silizium | max. 0,15, | insbesondere max. 0,12 |
Eisen | max. 0,15, | insbesondere max. 0,12. |
Absenkgeschwindigkeit | 6,5 bis 7 m/min |
Kühlwasser | 75 l/min |
Meniskusstand | 42 mm |
Wasserstand | 40 cm unter der Kokille |
Lösungsglühen | 470°C/0,5 h |
Recken | ≤ 1% |
Zwischenlagem | ≤ 1 Tag |
Aushärten | Zustand T 651: 130°C/14h |
Zustand T 7351: 105°C/5h + 175°C/7h |
Leg. Nr. | Si | Fe | Cu | Mn | Mg | Cr | Zn | Zr |
1 | 0.008 | 0.02 | 1.8 | - | 2.7 | - | 6.9 | 0.14 |
2 | 0.10 | 0.06 | 1.8 | - | 2.7 | - | 6.9 | 0.15 |
3 | 0.10 | 0.19 | 1.7 | - | 2.7 | - | 6.9 | 0.15 |
4 | 0.10 | 0.20 | 1.9 | 0.20 | 2.7 | - | 6.9 | 0.14 |
5 | 0.04 | 0.06 | 1.8 | 0.20 | 2.7 | - | 6.8 | 0.14 |
Leg.Nr. | Zustand | Zugrichtung | Rm (MPa) | Rp0.2 (MPa) | A5 (%) | Ag (%) | RmK/ Rp0.2 | Kc MPa m½ |
1 | T651 | L | 708 | 680 | 10.5 | 6.6 | 1.06 | |
Q | 654 | 532 | 12.7 | 7.6 | - | 23.0 | ||
T7351 | L | 614 | 578 | 10.0 | 4.77 | 1.15 | ||
Q | 578 | 524 | 12.5 | 6.5 | - | 27.4 | ||
2 | T651 | L | 698 | 670 | 10.2 | 5.40 | 1.05 | |
Q | 644 | 584 | 12.7 | 8.5 | - | 20.7 | ||
T7351 | L | 610 | 576 | 9.4 | 4.28 | 0.81 | ||
Q | 556 | 494 | 12.7 | 6.8 | - | 33.4 | ||
3 | T651 | L | 700 | 676 | 10.4 | 4.54 | 0.857 | |
Q | 634 | 585 | 11.5 | 6.1 | - | 19.8 | ||
T7351 | L | 602 | 559 | 9.9 | 5.03 | 1.04 | ||
Q | 550 | 491 | 12.3 | 7.6 | - | 33.0 | ||
4 | T651 | L | 702 | 671 | 10.3 | 5.99 | 0.88 | |
Q | 642 | 583 | 10.8 | 6.9 | - | 22.2 | ||
T7351 | L | 614 | 585 | 8.1 | 4.07 | 0.92 | ||
Q | 570 | 498 | 11.5 | 6.8 | - | 30.8 | ||
5 | T651 | L | 713 | 686 | 11.0 | 5.77 | 1.03 | (37) |
Q | 653 | 589 | 12.2 | 7.1 | - | 28 | ||
T7351 | L | 624 | 592 | 9.1 | 4.37 | 1.10 | (60) | |
Q | 582 | 524 | 12.6 | 7.2 | - | 32.1 |
Claims (10)
- Schraube oder Niet aus einer Aluminiumlegierung vom Typ AlZnMgCu zur Verbindung von Bauteilen aus Aluminium, Magnesium oder deren Legierungen,
dadurch gekennzeichnet, dass
die Legierung aus6,0 bis 8,0 Gew.-% Zink 2,0 bis 3,5 Gew.-% Magnesium 1,6 bis 1,9 Gew.-% Kupfer 0,05 bis 0,30 Gew.% Zirkonium max. 0,10 Gew.-% Chrom max. 0,50 Gew.-% Mangan max. 0,10 Gew.-% Titan max. 0,20 Gew.-% Silizium max. 0,20 Gew.-% Eisen - Schraube oder Niet nach Anspruch 1, dadurch gekennzeichnet, dass die Legierung 6,6 bis 7,3, vorzugsweise 6, 7 bis 7,1 Gew.-% Zink enthält.
- Schraube oder Niet nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Legierung 2,3 bis 3,2, vorzugsweise 2,6 bis 2,9 Gew.-% Magnesium enthält.
- Schraube oder Niet nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Legierung max. 0,20, vorzugsweise 0,13 bis 0,18 Gew.-% Zirkonium enthält.
- Schraube oder Niet nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Legierung max. 0,05 Gew.-% Chrom enthält.
- Schraube oder Niet nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Legierung max. 0,25, vorzugsweise max. 0,15 Gew.-% Mangan enthält.
- Schraube oder Niet nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Legierung max. 0,05 Gew.-% Titan enthält.
- Schraube oder Niet nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Legierung max. 0,15, vorzugsweise max. 0,12 Gew.-% Silizium enthält.
- Schraube oder Niet nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Legierung max. 0,15, vorzugsweise max. 0,12 Gew.-% Eisen enthält.
- Verfahren zur Herstellung einer Schraube oder eines Niets nach einem der Ansprüche 1 bis 9 durch Giessen der Legierung zu einem Pressbolzen, Homogenisierungsglühen des Bolzens und Verpressen des Bolzens zu einem Vormaterial, Lösungsglühen und Abschrecken des Vormaterials, Verarbeitung des Vormaterials zu Schrauben der Nieten durch Kaltumformen und Warmaushärten der Schrauben oder Nieten, dadurch gekennzeichnet, dass vor dem Kaltumformen eine Rückbildungsglühung bei einer Temperatur von 180 bis 260°C während 5 sec bis 120 min durchgeführt wird.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59702201T DE59702201D1 (de) | 1997-03-06 | 1997-03-06 | Verbindungselement |
ES97810129T ES2150208T5 (es) | 1997-03-06 | 1997-03-06 | Tornillo o remache a base de una aleacion de aluminio. |
AT97810129T ATE195557T1 (de) | 1997-03-06 | 1997-03-06 | Verbindungselement |
DK97810129T DK0863220T3 (da) | 1997-03-06 | 1997-03-06 | Forbindelseselement |
PT97810129T PT863220E (pt) | 1997-03-06 | 1997-03-06 | Elemento de ligacao |
EP97810129A EP0863220B2 (de) | 1997-03-06 | 1997-03-06 | Schraube oder Niet aus einer Aluminiumlegierung |
GR20000402548T GR3034859T3 (en) | 1997-03-06 | 2000-11-15 | Connecting element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97810129A EP0863220B2 (de) | 1997-03-06 | 1997-03-06 | Schraube oder Niet aus einer Aluminiumlegierung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0863220A1 EP0863220A1 (de) | 1998-09-09 |
EP0863220B1 EP0863220B1 (de) | 2000-08-16 |
EP0863220B2 true EP0863220B2 (de) | 2003-10-01 |
Family
ID=8230165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97810129A Expired - Lifetime EP0863220B2 (de) | 1997-03-06 | 1997-03-06 | Schraube oder Niet aus einer Aluminiumlegierung |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0863220B2 (de) |
AT (1) | ATE195557T1 (de) |
DE (1) | DE59702201D1 (de) |
DK (1) | DK0863220T3 (de) |
ES (1) | ES2150208T5 (de) |
GR (1) | GR3034859T3 (de) |
PT (1) | PT863220E (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005014606A1 (de) * | 2005-03-31 | 2006-10-05 | Richard Bergner Verbindungstechnik Gmbh & Co. Kg | Verfahren zur Herstellung eines Befestigungselements sowie Befestigungselement, insbesondere Schraube |
WO2020148140A1 (en) | 2019-01-18 | 2020-07-23 | Aleris Rolled Products Germany Gmbh | 7xxx-series aluminium alloy product |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6267684B1 (en) | 1997-04-30 | 2001-07-31 | Allfast Fastening Systems, Inc. | Rivets and rivet manufacturing methods |
DE19840298A1 (de) * | 1998-09-04 | 2000-03-16 | Ejot Verbindungstech Gmbh & Co | Selbstgewindeformende Schraube aus Leichtmetall und Verfahren zu ihrer Herstellung |
RU2165995C1 (ru) * | 1999-10-05 | 2001-04-27 | Государственное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" | Высокопрочный сплав на основе алюминия и изделие, выполненное из этого сплава |
JP3543267B2 (ja) * | 2000-05-31 | 2004-07-14 | 福井鋲螺株式会社 | アルミ製打込みリベット |
DE102009039817A1 (de) | 2009-09-02 | 2011-03-03 | Profil Verbindungstechnik Gmbh & Co. Kg | Selbststanzendes Mutterelement und Zusammenbauteil bestehend aus dem Mutterelement und einem Blechteil |
JP6091046B2 (ja) * | 2010-11-10 | 2017-03-08 | 株式会社トープラ | アルミ合金ボルトの製造方法及びアルミ合金ボルト |
WO2020099174A1 (en) | 2018-11-12 | 2020-05-22 | Aleris Rolled Products Germany Gmbh | 7xxx-series aluminium alloy product |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0462055A1 (de) † | 1990-06-11 | 1991-12-18 | Alusuisse-Lonza Services Ag | Vormaterial aus einer superplastischen AlZnMg-Legierung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2314183A1 (de) * | 1973-03-22 | 1974-10-03 | Herbert Dobbertin | Verfahren zur herstellung von zeitlich unbegrenzt schlagbarem nietdraht |
FR2482982A1 (fr) * | 1980-05-23 | 1981-11-27 | Fraimant Jean Jacques | Procede de fabrication de pieces d'assemblage en alliage d'aluminium |
GB9016694D0 (en) * | 1990-07-30 | 1990-09-12 | Alcan Int Ltd | Ductile ultra-high strength aluminium alloy extrusions |
AU5717096A (en) * | 1995-05-01 | 1996-11-21 | Mcdonnell Douglas Corporation | Preparation of pre-coated aluminum alloy articles |
-
1997
- 1997-03-06 DK DK97810129T patent/DK0863220T3/da active
- 1997-03-06 PT PT97810129T patent/PT863220E/pt unknown
- 1997-03-06 EP EP97810129A patent/EP0863220B2/de not_active Expired - Lifetime
- 1997-03-06 ES ES97810129T patent/ES2150208T5/es not_active Expired - Lifetime
- 1997-03-06 AT AT97810129T patent/ATE195557T1/de not_active IP Right Cessation
- 1997-03-06 DE DE59702201T patent/DE59702201D1/de not_active Expired - Lifetime
-
2000
- 2000-11-15 GR GR20000402548T patent/GR3034859T3/el unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0462055A1 (de) † | 1990-06-11 | 1991-12-18 | Alusuisse-Lonza Services Ag | Vormaterial aus einer superplastischen AlZnMg-Legierung |
Non-Patent Citations (2)
Title |
---|
J.E. Hatch, Aluminium, Properties and Physical Metallurgy, Jan.1993, S. 355,240. † |
Normblätter ASTM B 316M-00 † |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005014606A1 (de) * | 2005-03-31 | 2006-10-05 | Richard Bergner Verbindungstechnik Gmbh & Co. Kg | Verfahren zur Herstellung eines Befestigungselements sowie Befestigungselement, insbesondere Schraube |
WO2020148140A1 (en) | 2019-01-18 | 2020-07-23 | Aleris Rolled Products Germany Gmbh | 7xxx-series aluminium alloy product |
Also Published As
Publication number | Publication date |
---|---|
EP0863220A1 (de) | 1998-09-09 |
ES2150208T3 (es) | 2000-11-16 |
ATE195557T1 (de) | 2000-09-15 |
DK0863220T3 (da) | 2000-12-27 |
ES2150208T5 (es) | 2004-06-16 |
GR3034859T3 (en) | 2001-02-28 |
DE59702201D1 (de) | 2000-09-21 |
EP0863220B1 (de) | 2000-08-16 |
PT863220E (pt) | 2000-12-29 |
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