EP0863220A1 - Connecting element - Google Patents

Connecting element Download PDF

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Publication number
EP0863220A1
EP0863220A1 EP97810129A EP97810129A EP0863220A1 EP 0863220 A1 EP0863220 A1 EP 0863220A1 EP 97810129 A EP97810129 A EP 97810129A EP 97810129 A EP97810129 A EP 97810129A EP 0863220 A1 EP0863220 A1 EP 0863220A1
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EP
European Patent Office
Prior art keywords
max
alloy
weight
connecting element
element according
Prior art date
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Granted
Application number
EP97810129A
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German (de)
French (fr)
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EP0863220B1 (en
EP0863220B2 (en
Inventor
Pius Schwellinger
Dietmar Schröder
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3A Composites International AG
Original Assignee
Alusuisse Lonza Services Ltd
Alusuisse Technology and Management Ltd
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Priority to ES97810129T priority Critical patent/ES2150208T5/en
Priority to AT97810129T priority patent/ATE195557T1/en
Priority to DE59702201T priority patent/DE59702201D1/en
Priority to EP97810129A priority patent/EP0863220B2/en
Application filed by Alusuisse Lonza Services Ltd, Alusuisse Technology and Management Ltd filed Critical Alusuisse Lonza Services Ltd
Priority to DK97810129T priority patent/DK0863220T3/en
Priority to PT97810129T priority patent/PT863220E/en
Publication of EP0863220A1 publication Critical patent/EP0863220A1/en
Publication of EP0863220B1 publication Critical patent/EP0863220B1/en
Priority to GR20000402548T priority patent/GR3034859T3/en
Publication of EP0863220B2 publication Critical patent/EP0863220B2/en
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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

  • connection relates to a connecting element from a Aluminum alloy of the type AlZnMgCu, with a shaft for Connection of components made of aluminum, magnesium or their Alloys, especially a screw or rivet.
  • a self-punching fastening device for Production of a riveted joint using semi-hollow rivets is known for example from WO-A-95/09307.
  • the invention is therefore based on the object of an alloy to provide with the connecting elements of the type with high strength simple and Have it manufactured economically.
  • the material used according to the invention is opposite comparable high-strength materials of the group AA7xxx easier to cast and lighter by pressing and rolling to be processed warm.
  • the corrosion resistance is also much better than comparable alloys According to the state of the art.
  • Suitable raw material for the production of screws and rivets are extruded rods, being used as a material for Punch rivets, for example, the use of sheet metal is also conceivable is.
  • the alloy In the production of fasteners using bar stock the alloy first becomes a press bolt shed and the bolt after a homogenization annealing pressed into a rod-shaped primary material. After one Solution annealing and quenching of the primary material becomes this usually by cold forming to the connecting elements processed, which then to achieve the desired Strength with sufficient expansion of a thermoset be subjected.
  • a particularly preferred Manufacturing variant that has a higher degree of cold forming with correspondingly increased strength and also allows leads to better corrosion resistance, is before Cold forming of the raw material into a screw or rivet recovery annealing at a temperature of about 180 up 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.
  • the finished heat-treated screws or rivets can each anodized, coated, painted or according to application further protected against corrosion in another way will.
  • To improve the releasability of the connection Screws for example, also with a Teflon or Ormocere layer to be sealed. In certain cases also a seal and adhesive according to the known Sped-cap procedure advantageous.
  • each alloy there was a flat profile 10 x 50 mm and one Round bar 40 mm diameter pressed indirectly.
  • the stud temperature was about 230 to 260 ° C
  • the recipient temperature was around 300 ° C.
  • the pressing speed was about 2 to 2.8 m / min.
  • Solution annealing was carried out at a temperature of 470 ⁇ 3 ° C over a period of 0.5 h.

Abstract

A fastener (especially a screw or rivet), for fastening components of aluminium, magnesium and their alloys, consists of an AlZnMgCu type aluminium alloy of composition (by wt.) 6.0-8.0% Zn, 2.0-3.5% Mg, 1.0-3.0% Cu, 0.05-0.30% Zr, NOTGREATER 0.30% Cr, NOTGREATER 0.50% Mn, NOTGREATER 0.10% Ti, NOTGREATER 0.20% Si, NOTGREATER 0.20% Fe, NOTGREATER 0.05% each ( NOTGREATER 0.15% total) of other elements, balance Al and impurities. Also claimed is a process for producing the above fastener by casting to a billet, homogenisation annealing, compressing to a starting material, solution annealing, quenching, cold forming to fasteners and thermally hardening, in which recovery annealing is carried out at 180-260 degrees C for 5 secs. to 120 mins. prior to cold forming.

Description

Die Verbindung betrifft ein Verbindungselement aus einer Aluminiumlegierung vom Typ AlZnMgCu, mit einem Schaft zur Verbindung von Bauteilen aus Aluminium, Magnesium oder deren Legierungen, insbesondere eine Schraube oder ein Niet.The connection relates to a connecting element from a Aluminum alloy of the type AlZnMgCu, with a shaft for Connection of components made of aluminum, magnesium or their Alloys, especially a screw or rivet.

Bei der Verbindung von Bauteilen werden häufig Schrauben und Stanznieten in der Form von Voll- oder Halbhohlnieten eingesetzt. Eine selbststanzende Befestigungsvorrichtung zur Herstellung einer Nietverbindung unter Verwendung von Halbhohlnieten ist beispielsweise aus der WO-A-95/09307 bekannt.When connecting components, screws and Punch rivets used in the form of full or semi-hollow rivets. A self-punching fastening device for Production of a riveted joint using semi-hollow rivets is known for example from WO-A-95/09307.

Ein wichtiges Einsatzgebiet derartiger Verbindungselemente ist der Fahrzeugbau. Mit zunehmenden Einsatz von Aluminium- und Magnesiumwerkstoffen in diesem Bereich gewinnt auch der Einsatz von Schrauben und Stanznieten aus Aluminiumwerkstoffen an Bedeutung. Bisher wurden überwiegend Stahlschrauben und Stahlstanznieten verwendet, die aus Gründen der galvanischen Korrosion und der Spaltkorrosion aus Edelstahl gefertigt werden mussten. Die Unterschiede zwischen Aluminium und Stahl bezüglich der physikalischen Eigenschaften wie Wärmeausdehnungskoeffizient, Elastizitätsmodul u.a. können, insbesondere bei einem Temperaturwechsel, zu zusätzlichen Spannungen oder zu einer Lockerung der Verbindung führen. Der Einsatz eines Werkstoffs mit ähnlichen chemischen, elektrochemischen und physikalischen Eigenschaften für die Verbindungselemente wäre daher von grossem Nutzen.An important area of application for such fasteners is vehicle construction. With increasing use of aluminum and Magnesium materials also win in this area Use of screws and punch rivets made of aluminum materials in importance. So far, mainly steel screws and steel punch rivets used for reasons galvanic corrosion and crevice corrosion made of stainless steel had to be manufactured. The differences between Aluminum and steel in terms of physical properties such as coefficient of thermal expansion, modulus of elasticity i.a. can, especially with a temperature change, to additional tension or loosening of the connection to lead. The use of a material with similar chemical, electrochemical and physical properties would therefore be of great importance for the connecting elements Use.

Die Herstellung von Schrauben und Stanznieten aus Aluminiumwerkstoffen ist technisch möglich. In beschränktem Umfang werden beispielsweise Schrauben aus dem bekannten Werkstoff AA7075 gefertigt, wobei eine Zugfestigkeit von etwa 500 bis 600 MPa erreicht wird. Eine Erweiterung der Einsatzmöglichkeiten wäre nur dann möglich, wenn die genannten Verbindungselemente aus Werkstoffen mit höherer Festigkeit wirtschaftlich gefertigt werden könnten. Bekannte Werkstoffe mit höherer Festigkeit sind die Legierungen AA7049, 7049A, 7149, 7249, 7349, 7449 und 7055, deren Herstellung jedoch nicht einfach ist. Wegen ihrer Neigung zu Rissen bei der Erstarrung sind diese Werkstoffe nicht einfach zu giessen und die Herstellung grosser Barren und Bolzen als Ausgangsmaterial zum Walzen oder Fressen gestaltet sich sehr aufwendig und ist damit unwirtschaftlich. Hinzu kommt, dass diese Werkstoffe in allen Wärmebehandlungszuständen empfindlich auf Spannungsrisskorrosion und Schichtkorrosion sind.The production of screws and punch rivets from aluminum materials is technically possible. To a limited extent are, for example, screws made of the known material AA7075 manufactured, with a tensile strength of about 500 to 600 MPa is reached. An expansion of the possible uses would only be possible if the connecting elements mentioned economical from materials with higher strength could be manufactured. Known materials the alloys AA7049, 7049A, 7149, 7249, 7349, 7449 and 7055, but their manufacture is not easy. Because of their tendency to crack upon solidification are these materials not easy to cast and the production of large bars and bolts as raw material for rolling or eating is very complex and is therefore uneconomical. Add to that this Materials sensitive in all heat treatment conditions for stress corrosion cracking and layer corrosion.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Legierung bereitzustellen, mit der sich Verbindungselemente der eingangs genannten Art mit hoher Festigkeit einfach und wirtschaftlich herstellen lassen.The invention is therefore based on the object of an alloy to provide with the connecting elements of the type with high strength simple and Have it manufactured economically.

Zur erfindungsgemässen Lösung der Aufgabe führt, dass die Legierung aus

6,0 bis 8,0
Gew.-% Zink
2,0 bis 3,5
Gew.-% Magnesium
1,0 bis 3,0
Gew.-% Kupfer
0,05 bis 0,30
Gew.% Zirkonium
max. 0,30
Gew.-% Chrom
max. 0,50
Gew.-% Mangan
max. 0,10
Gew.-% Titan
max. 0,20
Gew.-% Silizium
max. 0,20
Gew.-% Eisen
andere einzeln max. 0,05 Gew.-%, insgesamt max. 0,15 Gew.-%, und als Rest Aluminium und unvermeidbaren Verunreinigungen besteht.To achieve the object according to the invention, the alloy is made of
6.0 to 8.0
% By weight zinc
2.0 to 3.5
% By weight magnesium
1.0 to 3.0
% Copper
0.05 to 0.30
% By weight zirconium
Max. 0.30
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, max. 0.15 wt .-%, and the balance is aluminum and unavoidable impurities.

Der erfindungsgemäss eingesetzte Werkstoff ist gegenüber vergleichbaren hochfesten Werkstoffen der Gruppe AA7xxx leichter giessbar und durch Pressen und Walzen auch leichter warm zu verarbeiten. Die Korrosionsbeständigkeit ist ebenfalls wesentlich besser als bei vergleichbaren Legierungen nach dem Stand der Technik.The material used according to the invention is opposite comparable high-strength materials of the group AA7xxx easier to cast and lighter by pressing and rolling to be processed warm. The corrosion resistance is also much better than comparable alloys According to the state of the art.

Aufgrund der ähnlichen chemischen und physikalischen Eigenschaften von Aluminium- und Magnesiumwerkstoffen wird die Verbindung von Bauteilen aus Magnesiumwerkstoffen oder aus Aluminium- und Magnesiumwerkstoffen bevorzugt mit dem erfindungsgemässen Element aus einer Aluminiumlegierung durchgeführt.Because of the similar chemical and physical properties of aluminum and magnesium materials Connection of components made of magnesium materials or Aluminum and magnesium materials preferably with the one according to the invention Aluminum alloy element carried out.

Für die einzelnen Legierungselemente gelten die folgenden Vorzugsbereiche (Gew.-%): Zink 6,6 bis 7,3, insbesondere 6,7 bis 7,1 Magnesium 2,3 bis 3,2, insbesondere 2,6 bis 2,9 Kupfer 1,3 bis 2,1, insbesondere 1,6 bis 1,8 Zirkonium max. 0,20, insbesondere 0,13 bis 0,18 Chrom max. 0,10, insbesondere 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. The following preferred ranges (% by weight) apply to the individual alloy elements: zinc 6.6 to 7.3, in particular 6.7 to 7.1 magnesium 2.3 to 3.2, in particular 2.6 to 2.9 copper 1.3 to 2.1, especially 1.6 to 1.8 zirconium Max. 0.20, especially 0.13 to 0.18 chrome Max. 0.10. in particular max. 0.05 manganese Max. 0.25. in particular max. 0.15 titanium Max. 0.05 silicon Max. 0.15. in particular max. 0.12 iron Max. 0.15. in particular max. 0.12.

Geeignetes Vormaterial zur Fertigung von Schrauben und Nieten sind stranggepresste Stangen, wobei als Vormaterial für Stanznieten beispielsweise auch der Einsatz von Blech denkbar ist.Suitable raw material for the production of screws and rivets are extruded rods, being used as a material for Punch rivets, for example, the use of sheet metal is also conceivable is.

Bei der Herstellung von Verbindungselementen über Stangenmaterial wird zunächst die Legierung zu einem Pressbolzen vergossen und der Bolzen nach einer Homogenisierungsglühung zu einem stangenförmigen Vormaterial verpresst. Nach einem Lösungsglühen und Abschrecken des Vormaterials wird dieses in der Regel durch Kaltumformen zu den Verbindungselementen verarbeitet, die anschliessend zur Erzielung der gewünschten Festigkeit bei ausreichender Dehung einer Warmaushärtung unterworfen werden. Bei einer besonders bevorzugten Fertigungsvariante, die einen höheren Kaltumformungsgrad mit entsprechend erhöhter Festigkeit zulässt und zudem zu einer besseren Korrosionsbeständigkeit führt, wird vor dem Kaltumformen des Vormaterials zur Schraube oder zum Niet eine Rückbildungsglühung bei einer Temperatur von etwa 180 bis 260° C während einer Zeitdauer von etwa 5 sec bis 120 min durchgeführt. Hierbei gilt eine kurze Behandlungszeit für eine hohe Wärmebehandlungstemperatur.In the production of fasteners using bar stock the alloy first becomes a press bolt shed and the bolt after a homogenization annealing pressed into a rod-shaped primary material. After one Solution annealing and quenching of the primary material becomes this usually by cold forming to the connecting elements processed, which then to achieve the desired Strength with sufficient expansion of a thermoset be subjected. In a particularly preferred Manufacturing variant that has a higher degree of cold forming with correspondingly increased strength and also allows leads to better corrosion resistance, is before Cold forming of the raw material into a screw or rivet recovery annealing at a temperature of about 180 up 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.

Beim erfindungsgemässen Verbindungselement können mit einer Warmaushärtung zum Zustand T 6 oder T 7 Festigkeiten bis zu 740 MPa erzielt werden.In the connecting element according to the invention, a Heat curing to T 6 or T 7 strength up to 740 MPa can be achieved.

Die fertig wärmebehandelten Schrauben oder Nieten können je nach Anwendungsbereich eloxiert, beschichtet, lackiert oder auf andere Weise gegen Korrosionseinflüsse weiter geschützt werden. Zur verbesserten Lösbarkeit der Verbindung können Schrauben beispielsweise auch mit einer Teflon- oder einer Ormocere-Schicht versiegelt sein. In gewissen Fällen ist auch eine Dichtung und Verklebung entsprechend dem bekannten Sped-Cap-Verfahren vorteilhaft.The finished heat-treated screws or rivets can each anodized, coated, painted or according to application further protected against corrosion in another way will. To improve the releasability of the connection Screws, for example, also with a Teflon or Ormocere layer to be sealed. In certain cases also a seal and adhesive according to the known Sped-cap procedure advantageous.

Die Vorteilhaftigkeit der erfindungsgemässen eingesetzten Legierungen ergibt sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele.The advantage of the used according to the invention Alloys result from the description below preferred embodiments.

BeispieleExamples

7 Legierungen mit einer Zusammensetzung gemäss Tabelle 1 wurden zu je einem Stanggussbolzen von 220 mm  und einer Länge von etwa 1500 mm vergossen. Eine Kornfeinung mit TI5B1-Draht wurde direkt in der Giessrinne durchgeführt.7 alloys with a composition according to Table 1 were each a cast iron bolt of 220 mm  and a length of about 1500 mm. A grain refinement with TI5B1 wire was carried out directly in the gutter.

Der Strangguss wurde bei allen Legierungen unter folgenden Bedingungen durchgeführt:

Absenkgeschwindigkeit
6,5 bis 7 m/min
Kühlwasser
75 l/min
Meniskusstand
42 mm
Wasserstand
40 cm unter der Kokille
The continuous casting was carried out for all alloys under the following conditions:
Lowering speed
6.5 to 7 m / min
cooling water
75 l / min
Meniscus stand
42 mm
Water level
40 cm under the mold

Vor dem Aufteilen zu je zwei 660 mm langen Bolzen wurde eine Glühung bei 460° während 6 h durchgeführt. Anschliessend erfolgte eine Hochglühung bei 470°/3h + 480°/18h (Legierung 6 wurde mit 470°C/21 h geglüht).Before dividing into two 660 mm long bolts, one was Annealing carried out at 460 ° for 6 h. Subsequently there was an annealing at 470 ° / 3h + 480 ° / 18h (alloy 6 was annealed at 470 ° C / 21 h).

In jeder Legierung wurde ein Flachprofil 10 x 50 mm und eine Rundstange 40 mm Durchmesser indirekt gepresst. Die Bolzentemperatur betrug ca. 230 bis 260°C, die Rezipiententemperatur lag bei etwa 300°C. Die Pressgeschwindigkeit betrug etwa 2 bis 2,8 m/min.In each alloy there was a flat profile 10 x 50 mm and one Round bar 40 mm diameter pressed indirectly. The stud temperature was about 230 to 260 ° C, the recipient temperature was around 300 ° C. The pressing speed was about 2 to 2.8 m / min.

Die Lösungsglühung erfolgte bei einer Temperatur von 470 ± 3°C während einer Zeitspanne von 0,5 h.Solution annealing was carried out at a temperature of 470 ± 3 ° C over a period of 0.5 h.

In Tabelle 2 sind die Daten aller Legierungen, die am Flachprofil 10 x 50 mm gewonnen wurden, wiedergegeben. Die Wärmebehandlung wurd in jedem Fall wie folgt durchgeführt:

Lösungsglühen:
470°C/0,5 h
Recken:
≤ 1%
Zwischenlagern:
≤ Tag
Aushärten:
Zustand T 651: 130°C/14h
Zustand T 7351: 105°C/5h + 175°C/7h
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
Stretchers:
≤ 1%
Interim storage:
≤ day
Harden:
Condition T 651: 130 ° C / 14h
Condition T 7351: 105 ° C / 5h + 175 ° C / 7h

Von allen Legierungen wurden Zugversuche und Kerbzugversuche in Längsrichtung durchgeführt. Die bruchmechanischen Kennwerte wurden bei allen Legierungen in Querrichtung gemessen. Tensile tests and notch tensile tests were carried out on all alloys performed in the longitudinal direction. The fracture mechanics Characteristic values were measured in the transverse direction for all alloys.

Bei den in Tabelle 2 angegebenen Festigkeitswerten ist zu bedenken, dass die Zugfestigkeit am Verbindungselement höhere Werte erreicht, da eine Kaltverfestigung hinzukommt.With the strength values given in table 2 is too keep in mind that the tensile strength at the fastener is higher Values achieved because of strain hardening.

Alle Legierungen in den beiden Wärmebehandlungszuständen wurden einem Spannungsrisskorrosionstest unterzogen. Alle Proben überstanden die Prüfung ohne Spannungskorrosionsrisse. 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 6 0.04 0.06 1.9 - 2.0 - 8.8 0.15 7 0.04 0.06 1.7 0.23 2.7 0.25 6.0 -

Figure 00070001
All alloys in the two heat treatment conditions were subjected to a stress corrosion cracking test. All samples passed the test without stress corrosion cracks. Leg. No. Si Fe Cu Mn Mg Cr Zn Zr 1 0.008 0.02 1.8 - 2.7 - 6.9 0.14 2nd 0.10 0.06 1.8 - 2.7 - 6.9 0.15 3rd 0.10 0.19 1.7 - 2.7 - 6.9 0.15 4th 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 6 0.04 0.06 1.9 - 2.0 - 8.8 0.15 7 0.04 0.06 1.7 0.23 2.7 0.25 6.0 -
Figure 00070001

Claims (11)

Verbindungselement aus einer Aluminiumlegierung vom Typ AlZnMgCu, mit einem Schaft zur Verbindung von Bauteilen aus Aluminium, Magnesium oder deren Legierungen, insbesondere Schraube oder Niet,
dadurch gekennzeichnet, dass
die Legierung aus
6,0 bis 8,0
Gew.-% Zink
2,0 bis 3,5
Gew.-% Magnesium
1,0 bis 3,0
Gew.-% Kupfer
0,05 bis 0,30
Gew.% Zirkonium
max. 0,30
Gew.-% Chrom
max. 0,50
Gew.-% Mangan
max. 0,10
Gew.-% Titan
max. 0,20
Gew.-% Silizium
max. 0,20
Gew.-% Eisen
andere einzeln max. 0,05 Gew.-%, insgesamt max. 0,15 Gew.-%, und als Rest Aluminium und unvermeidbaren Verunreinigungen besteht.Connection element made of an aluminum alloy of the type AlZnMgCu, with a shaft for connecting components made of aluminum, magnesium or their alloys, in particular screws or rivets,
characterized in that
the alloy
6.0 to 8.0
% By weight zinc
2.0 to 3.5
% By weight magnesium
1.0 to 3.0
% Copper
0.05 to 0.30
% By weight zirconium
Max. 0.30
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, max. 0.15 wt .-%, and the balance is aluminum and unavoidable impurities. Verbindungselement nach Anspruch 1, dadurch gekennzeichnet, dass die Legierung 6,6 bis 7,3, vorzugsweise 6,7 bis 7,1 Gew.-% Zink enthält.Connecting element according to claim 1, characterized in that the alloy is 6.6 to 7.3, preferably Contains 6.7 to 7.1 wt .-% zinc. Verbindungslement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Legierung 2,3 bis 3,2, vorzugsweise 2,6 bis 2,9 Gew.% Magnesium enthält.Connecting element according to claim 1 or 2, characterized in that the alloy is 2.3 to 3.2, preferably Contains 2.6 to 2.9% by weight of magnesium. Verbindungslement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Legierung 1,3 bis 2,1, vorzugsweise 1,6 bis 1,8 Gew.-% Kupfer enthält. Connecting element according to one of claims 1 to 3, characterized in that the alloy 1.3 to 2.1, preferably contains 1.6 to 1.8 wt .-% copper. Verbindungslement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Legierung max. 0,20, vorzugsweise 0,13 bis 0,18 Gew.-% Zirkonium enthält.Connecting element according to one of claims 1 to 4, characterized in that the alloy max. 0.20, preferably contains 0.13 to 0.18% by weight of zirconium. Verbindungslement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Legierung max. 0,10, vorzugsweise max. 0,05 Gew.-% Chrom enthält.Connecting element according to one of claims 1 to 5, characterized in that the alloy max. 0.10. preferably max. Contains 0.05 wt .-% chromium. Verbindungslement nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Legierung max. 0,25, vorzugsweise max. 0,15 Gew.-% Mangan enthält.Connecting element according to one of claims 1 to 6, characterized in that the alloy max. 0.25. preferably max. Contains 0.15% by weight of manganese. Verbindungslement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Legierung max. 0,05 Gew.-% Titan enthält.Connecting element according to one of claims 1 to 7, characterized in that the alloy max. 0.05 Wt .-% titanium contains. Verbindungslement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Legierung max. 0,15, vorzugsweise max. 0,12 Gew.-% Silizium enthält.Connecting element according to one of claims 1 to 8, characterized in that the alloy max. 0.15. preferably max. Contains 0.12% by weight of silicon. Verbindungslement nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Legierung max. 0,15, vorzugsweise max. 0,12 Gew.-% Eisen enthält.Connecting element according to one of claims 1 to 9, characterized in that the alloy max. 0.15. preferably max. Contains 0.12% by weight of iron. Verfahren zur Herstellung eines Verbindungselementes nach einem der Ansprüche 1 bis 10 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 Verbindungselementen durch Kaltumformen und Warmaushärten der Verbindungselemente, dadurch gekennzeichnet, dass vor dem Kaltumformen eine Rückbildungsglühung bei einer Temperatur von 180 bis 260°C während 5 sec bis 120 min durchgeführt wird.Process for producing a connecting element according to one of claims 1 to 10 by casting the alloy to a press stud, homogenization annealing the bolt and pressing the bolt into a raw material, Solution annealing and quenching of the raw material, Processing of the primary material into connecting elements through cold forming and hot curing of the connecting elements, characterized in that before Cold forming a recovery annealing at one temperature from 180 to 260 ° C for 5 sec to 120 min becomes.
EP97810129A 1997-03-06 1997-03-06 Screw or rivet from an aluminium alloy Expired - Lifetime EP0863220B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PT97810129T PT863220E (en) 1997-03-06 1997-03-06 LIGHTING ELEMENT
AT97810129T ATE195557T1 (en) 1997-03-06 1997-03-06 CONNECTING ELEMENT
DE59702201T DE59702201D1 (en) 1997-03-06 1997-03-06 Fastener
EP97810129A EP0863220B2 (en) 1997-03-06 1997-03-06 Screw or rivet from an aluminium alloy
ES97810129T ES2150208T5 (en) 1997-03-06 1997-03-06 SCREW OR REMACHE BASED ON AN ALUMINUM ALLOY.
DK97810129T DK0863220T3 (en) 1997-03-06 1997-03-06 connection element
GR20000402548T GR3034859T3 (en) 1997-03-06 2000-11-15 Connecting element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97810129A EP0863220B2 (en) 1997-03-06 1997-03-06 Screw or rivet from an aluminium alloy

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EP0863220A1 true EP0863220A1 (en) 1998-09-09
EP0863220B1 EP0863220B1 (en) 2000-08-16
EP0863220B2 EP0863220B2 (en) 2003-10-01

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AT (1) ATE195557T1 (en)
DE (1) DE59702201D1 (en)
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ES (1) ES2150208T5 (en)
GR (1) GR3034859T3 (en)
PT (1) PT863220E (en)

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WO2000013817A1 (en) * 1998-09-04 2000-03-16 Ejot Verbindungstechnik Gmbh & Co. Kg Light alloy thread-forming screw and its production method
WO2000027559A1 (en) * 1998-11-05 2000-05-18 Allfast Fastening Systems, Inc. Rivets and rivet manufacturing methods
FR2809780A1 (en) * 2000-05-31 2001-12-07 Fului Byora Co Ltd ALLUMINUM TIGHTENING RIVET
EP1241275A1 (en) * 1999-10-05 2002-09-18 Gosudarstvennoe Predpriyatie Vserossiisky Nauchnoissledovarelsky Institut Aviatsionnykh Materialov Highly resistant aluminum-based alloy and article made from said alloy
EP1707827A1 (en) * 2005-03-31 2006-10-04 Richard Bergner Verbindungstechnik GmbH & Co KG Method for making a fastening element and fastening element, especially a screw
EP2638989A1 (en) * 2010-11-10 2013-09-18 Topura Co., Ltd. Process for manufacture of fastening component made from aluminum-based alloy, and fastening component made from aluminum-based alloy
US9957999B2 (en) 2009-09-02 2018-05-01 Profil Verbindungstechnik Gmbh & Co, Kg Self-piercing nut element and componet assembly consisting of the nut element and a sheet metal part
WO2020099174A1 (en) 2018-11-12 2020-05-22 Aleris Rolled Products Germany Gmbh 7xxx-series aluminium alloy product
WO2020148140A1 (en) * 2019-01-18 2020-07-23 Aleris Rolled Products Germany Gmbh 7xxx-series aluminium alloy product
RU2778466C1 (en) * 2019-01-18 2022-08-19 Алерис Роллд Продактс Джермани Гмбх 7xxx SERIES ALUMINUM ALLOY PRODUCT

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FR2482982A1 (en) * 1980-05-23 1981-11-27 Fraimant Jean Jacques Aluminium alloy bolts, nuts and similar parts used for assemblies - where specific compsn. and heat treatment provides high corrosion resistance when parts are subjected to tensile stress
WO1992002655A1 (en) * 1990-07-30 1992-02-20 Alcan International Limited Ductile ultra-high strength aluminium alloy components
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Cited By (20)

* Cited by examiner, † Cited by third party
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
WO2000013817A1 (en) * 1998-09-04 2000-03-16 Ejot Verbindungstechnik Gmbh & Co. Kg Light alloy thread-forming screw and its production method
WO2000027559A1 (en) * 1998-11-05 2000-05-18 Allfast Fastening Systems, Inc. Rivets and rivet manufacturing methods
EP1241275A1 (en) * 1999-10-05 2002-09-18 Gosudarstvennoe Predpriyatie Vserossiisky Nauchnoissledovarelsky Institut Aviatsionnykh Materialov Highly resistant aluminum-based alloy and article made from said alloy
EP1241275A4 (en) * 1999-10-05 2004-08-18 G Predpr Vserossiisky Nii Avia Highly resistant aluminum-based alloy and article made from said alloy
FR2809780A1 (en) * 2000-05-31 2001-12-07 Fului Byora Co Ltd ALLUMINUM TIGHTENING RIVET
EP1707827A1 (en) * 2005-03-31 2006-10-04 Richard Bergner Verbindungstechnik GmbH & Co KG Method for making a fastening element and fastening element, especially a screw
US9957999B2 (en) 2009-09-02 2018-05-01 Profil Verbindungstechnik Gmbh & Co, Kg Self-piercing nut element and componet assembly consisting of the nut element and a sheet metal part
EP2638989A4 (en) * 2010-11-10 2015-02-11 Topura Kk Process for manufacture of fastening component made from aluminum-based alloy, and fastening component made from aluminum-based alloy
US9534282B2 (en) 2010-11-10 2017-01-03 Topura Co., Ltd. Method for manufacturing aluminum based alloy-made fastening part and aluminum based alloy-made fastening part
EP2638989A1 (en) * 2010-11-10 2013-09-18 Topura Co., Ltd. Process for manufacture of fastening component made from aluminum-based alloy, and fastening component made from aluminum-based alloy
WO2020099174A1 (en) 2018-11-12 2020-05-22 Aleris Rolled Products Germany Gmbh 7xxx-series aluminium alloy product
KR20210046733A (en) * 2018-11-12 2021-04-28 알레리스 로울드 프로덕츠 저머니 게엠베하 7XXX-Series Aluminum Alloy Products
CN112996935A (en) * 2018-11-12 2021-06-18 爱励轧制产品德国有限责任公司 7XXX series aluminum alloy products
JP2022512876A (en) * 2018-11-12 2022-02-07 アレリス、ロールド、プロダクツ、ジャーマニー、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング 7XXX series aluminum alloy products
US11879166B2 (en) 2018-11-12 2024-01-23 Novelis Koblenz Gmbh 7XXX-series aluminium alloy product
WO2020148140A1 (en) * 2019-01-18 2020-07-23 Aleris Rolled Products Germany Gmbh 7xxx-series aluminium alloy product
KR20210078537A (en) * 2019-01-18 2021-06-28 알레리스 로울드 프로덕츠 저머니 게엠베하 7xxx-series aluminum alloy products
CN113302327A (en) * 2019-01-18 2021-08-24 爱励轧制产品德国有限责任公司 7xxx series aluminum alloy products
RU2778466C1 (en) * 2019-01-18 2022-08-19 Алерис Роллд Продактс Джермани Гмбх 7xxx SERIES ALUMINUM ALLOY PRODUCT

Also Published As

Publication number Publication date
EP0863220B1 (en) 2000-08-16
ATE195557T1 (en) 2000-09-15
EP0863220B2 (en) 2003-10-01
DE59702201D1 (en) 2000-09-21
PT863220E (en) 2000-12-29
DK0863220T3 (en) 2000-12-27
ES2150208T5 (en) 2004-06-16
ES2150208T3 (en) 2000-11-16
GR3034859T3 (en) 2001-02-28

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