DE10359564A1 - Bonding components of materials with different melting points, e.g. contacts for automotive sensors and actuators, involves melting a projection with lower melting point at least partially within a recess in the other component - Google Patents
Bonding components of materials with different melting points, e.g. contacts for automotive sensors and actuators, involves melting a projection with lower melting point at least partially within a recess in the other component Download PDFInfo
- Publication number
- DE10359564A1 DE10359564A1 DE2003159564 DE10359564A DE10359564A1 DE 10359564 A1 DE10359564 A1 DE 10359564A1 DE 2003159564 DE2003159564 DE 2003159564 DE 10359564 A DE10359564 A DE 10359564A DE 10359564 A1 DE10359564 A1 DE 10359564A1
- Authority
- DE
- Germany
- Prior art keywords
- component
- recess
- components
- extension
- melting point
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/08—Riveting by applying heat, e.g. to the end parts of the rivets to enable heads to be formed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Stand der TechnikState of technology
Die Erfindung betrifft ein Verfahren zum Verbinden von Bauteilen. In der Fertigungstechnik werden schon lange Fertigungsverfahren zum Verbinden artgleicher sowie artungleicher Werkstoffe bei möglichst großen tolerierbaren Toleranzen gesucht. Speziell in der Automobilindustrie werden temperaturbeständige elektrische Verbindungen zur Kontaktierung von Sensoren und Aktoren benötigt. Dabei werden zunehmend artungleiche Verbindungen eingesetzt. Insbesondere erlangen zunehmend Verbindungen von beispielsweise Kupferwerkstoffen mit Aluminiumwerkstoffen an Bedeutung. Aluminium- und Kupferwerkstoffe zeichnen sich gleichermaßen durch hohe thermische als auch elektrische Leitfähigkeit aus. Eine Verbindung dieser beiden Werkstoffe scheitert derzeit noch an geeigneten Verbindungstechniken. Gängige Schmelzschweißverfahren (Laserschweißen, Elektronenstrahlschweißen und andere Verfahren) führen bei diesen Werkstoffen aufgrund deren thermischer und physikalischer Kenngrößen zu einer ausgesprochen starken Bildung sogenannter intermetallischer Phasen. Diese sind extrem spröde, d. h. bei ungünstiger Belastung treten Risse und damit ein Versagen der Verbindung auf.The The invention relates to a method for joining components. In Manufacturing technology has long been used in manufacturing processes Combination of identical and dissimilar materials if possible huge tolerable tolerances sought. Especially in the automotive industry become temperature resistant electrical connections for contacting sensors and actuators needed. In the process, increasingly dissimilar compounds are used. Especially are increasingly gaining connections from, for example, copper materials with aluminum materials in importance. Aluminum and copper materials stand out equally characterized by high thermal as well as electrical conductivity. A connection These two materials are currently still failing at suitable joining techniques. common Fusion welding (Laser welding, electron beam welding and other methods) for these materials due to their thermal and physical Characteristics of a extremely strong formation of so-called intermetallic phases. These are extremely brittle, d. H. at unfavorable Stress occurs cracks and thus a failure of the connection.
Vorteile der ErfindungAdvantages of invention
Das erfindungsgemäße Verfahren zum Verbinden von Bauteilen mit den Merkmalen des Anspruchs 1 hat den Vorteil, dass insbesondere artungleiche Werkstoffe besonders sicher verbunden werden können. Dabei sind nicht nur die oben angesprochenen Verbindungen aus Kupfer und Aluminium, sondern beispielsweise auch Kupfer/Stahl- oder Aluminium/Stahl-Verbindungen gemeint. Gleichzeitig ist das Verfahren dazu geeignet, innerhalb kürzester Zeit eine Vielzahl von Fügeverbindungen herzustellen. Dadurch, dass auf eine großflächige, schmelzförmige Verbindung zwischen den Bauteilen verzichtet wird, läßt sich insbesondere die Gefahr sogenannter intermetallischer Phasen reduzieren, wodurch eine dauerhafte, mechanisch und thermisch stabile Verbindung erzielt wird.The inventive method for joining components with the features of claim 1 the advantage that especially dissimilar materials especially can be safely connected. It is not just the above-mentioned compounds made of copper and aluminum, but also, for example, copper / steel or aluminum / steel compounds meant. At the same time, the method is suitable within shortest time a variety of joint connections manufacture. Thereby, that on a large-scale, melt-shaped connection between the components is omitted, in particular the danger can be reducing so-called intermetallic phases, creating a lasting, mechanically and thermally stable connection is achieved.
Vorteilhafte Weiterbildungen des erfindungsgemäßen Verfahrens zum Verbinden von Bauteilen sind in den Unteransprüchen angegeben.advantageous Further developments of the method according to the invention for bonding of components are specified in the subclaims.
Um eine große Anzahl an Fügeverbindungen in kurzer Taktzeit herstellen zu können, wird vorzugsweise eine Laserstrahlquelle zur berührungslosen Energieeinbringung in den Verbindungsbereich eingesetzt. Insbesondere bei der Verwendung von Aluminium als zu erwärmendem Werkstoff eignet sich ein Diodenlaser, da Aluminium ein ausgeprägtes Absorptionsmaximum im Wellenlängenbereich des Diodenlasers aufweist. Zur Verbesserung des Prozessablaufes ist es in einer bevorzugten Ausführungsform weiterhin vorgesehen, auch das erste Bauteil, insbesondere im Verbindungsbereich, zumindest teilweise aufzuheizen. Zur besseren Vernetzung der Materialien beider Werkstoffe ist es weiterhin vorteilhaft, eine Oberflächenbeschichtung vorzusehen. Ohne weitere Hilfsmittel lassen sich die beiden Bauteile miteinander verbinden, wenn das eine Bauteil beim Fügeprozess einen Anschlag für das andere Bauteil ausbildet.Around a big Number of joints in to be able to produce a short cycle time, is preferably a laser beam source for non-contact energy input used in the connection area. Especially when using of aluminum as to be heated Material is a diode laser, since aluminum has a pronounced absorption maximum in the wavelength range having the diode laser. To improve the process flow it is still in a preferred embodiment provided, also the first component, in particular in the connection area, to heat up at least partially. For better networking of the materials Both materials, it is also advantageous, a surface coating provided. Without further aids, the two components can be connect with each other when the one component in the joining process a stop for the other component is formed.
Zeichnungdrawing
Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden nachfolgend näher erläutert. Es zeigen:embodiments The invention are illustrated in the drawing and are explained in more detail below. It demonstrate:
Beschreibung der Ausführungsbeispieledescription the embodiments
In
der
Der
Durchmesser bzw. der Umfang des Fortsatzes
Weiterhin
ist das Volumen des Fortsatzes
Ferner
erkennt man in der
Die
beiden Bauteile
Zum
Verbinden der beiden Bauteile
Grundsätzlich sollte
die Wärmeübertragung derart
erfolgen, dass lediglich der Fortsatz
Je
nach Werkstoffkombination kann es zur Verbesserung der Verbindung
der beiden Bauteile
Auch
kann es zur Verbesserung der Verbindung vorteilhaft sein, insbesondere
das erste Bauteil
In
dem in der
In
der
Der
Abkühlvorgang
der Bauteile
In
den
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003159564 DE10359564B4 (en) | 2003-12-18 | 2003-12-18 | Method for connecting components |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003159564 DE10359564B4 (en) | 2003-12-18 | 2003-12-18 | Method for connecting components |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10359564A1 true DE10359564A1 (en) | 2005-07-28 |
DE10359564B4 DE10359564B4 (en) | 2006-11-23 |
Family
ID=34706346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003159564 Expired - Fee Related DE10359564B4 (en) | 2003-12-18 | 2003-12-18 | Method for connecting components |
Country Status (1)
Country | Link |
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DE (1) | DE10359564B4 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012208227A1 (en) | 2012-05-16 | 2013-11-21 | Robert Bosch Gmbh | Connecting terminals of lithium-ion battery cells, comprises heating components using laser beam for forming molten bath in connecting region set in vibration generator, and solidifying molten bath to form strip-shaped weld by cooling |
WO2014006489A1 (en) * | 2012-07-06 | 2014-01-09 | Lincoln Global, Inc. | Method for forming a joint with a hot wire |
DE102012221617A1 (en) | 2012-11-27 | 2014-06-18 | Robert Bosch Gmbh | Method for connecting dissimilar metal joining partners by means of a radiation source |
DE102013109588A1 (en) * | 2013-09-03 | 2015-03-05 | Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh | Reflow bonding process |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009047490A1 (en) | 2009-12-04 | 2011-06-09 | Robert Bosch Gmbh | Process for the preparation of an electrically conductive compound |
DE102011004104A1 (en) | 2011-02-15 | 2012-08-16 | Robert Bosch Gmbh | Method for connecting two joining partners by means of laser radiation, use of the method and joining partner |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1182510B (en) * | 1961-09-25 | 1964-11-26 | Csf | Process for the thermal connection of two sheets having parallel edges |
JP2000117443A (en) * | 1998-10-13 | 2000-04-25 | Pop Rivet Fastener Kk | Part holding weld bracket |
DE19907926C1 (en) * | 1999-02-24 | 2000-12-07 | Voegele Ag J | Welded 3-dimensional road laying vehicle chassis manufacturing method uses computer-controlled laser beam cutter for providing platform components welded together along their edges |
-
2003
- 2003-12-18 DE DE2003159564 patent/DE10359564B4/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1182510B (en) * | 1961-09-25 | 1964-11-26 | Csf | Process for the thermal connection of two sheets having parallel edges |
JP2000117443A (en) * | 1998-10-13 | 2000-04-25 | Pop Rivet Fastener Kk | Part holding weld bracket |
DE19907926C1 (en) * | 1999-02-24 | 2000-12-07 | Voegele Ag J | Welded 3-dimensional road laying vehicle chassis manufacturing method uses computer-controlled laser beam cutter for providing platform components welded together along their edges |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012208227A1 (en) | 2012-05-16 | 2013-11-21 | Robert Bosch Gmbh | Connecting terminals of lithium-ion battery cells, comprises heating components using laser beam for forming molten bath in connecting region set in vibration generator, and solidifying molten bath to form strip-shaped weld by cooling |
WO2014006489A1 (en) * | 2012-07-06 | 2014-01-09 | Lincoln Global, Inc. | Method for forming a joint with a hot wire |
DE102012221617A1 (en) | 2012-11-27 | 2014-06-18 | Robert Bosch Gmbh | Method for connecting dissimilar metal joining partners by means of a radiation source |
US9452490B2 (en) | 2012-11-27 | 2016-09-27 | Robert Bosch Gmbh | Method for connecting different types of metallic joining partners using a radiation source |
DE102013109588A1 (en) * | 2013-09-03 | 2015-03-05 | Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh | Reflow bonding process |
Also Published As
Publication number | Publication date |
---|---|
DE10359564B4 (en) | 2006-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |