Aluminium Brazing: 10th congress with a new record

The series of successes is showing no signs of stopping: From June 12 to 14, 270 participants and 17 exhibitors from 27 countries used the 10th International "Aluminium Brazing 2018" Congress with an Exhibition in Düsseldorf in order to exchange experience. Together with DVS Media GmbH, the German Welding Society (DVS) successfully staged this international event for the fourth time already.

The organisers and the exhibitors were pleased to establish the constantly growing number of participants in the congress. At the same time, they were also able to register an increase in guests from the Asian region, such as Korea or China.

Dr. Hans-Walter Swidersky, Mentor of Aluminium Brazing, greeted the numerous participants and Dr.-Ing. Hartmut Schmoor, Chairman of the "Brazing/Soldering" Specialist Society in DVS, delivered the welcoming address on the occasion of the opening ceremony. Subsequently, the speakers from all over the world of aluminium brazing provided information. In this respect, the selection of the lectures about the subject areas of materials, testing, applications, equipment, quality management, process control as well as research and development met with great approval amongst the listeners. "Highly interesting, relevant to practice and exciting" was the tenor.

The accompanying exhibition was also received positively and thus well-visited. Here, there were a lot of intensive expert discussions about all aspects of the subject of aluminium brazing. Because all the participants and exhibitors concentrated on "networking" this time too.

With regard to technical relevance, establishing contacts as well as framework conditions, the vast majority of the participants rated the event as good to very good. Thus, two thirds now already know that they definitely want to come again. The next Aluminium Brazing will again take place in Düsseldorf at the end of April 2020.

Contributions to Aluminium Brazing 2018 are available from DVS Media GmbH, Düsseldorf, as proceedings entitled "DVS Reports, Volume 343" (ISBN 978-3-96144-035-1):

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Aluminium Brazing: 10. Kongress mit neuem Rekord

Die Erfolgsserie reißt nicht ab: 270 Teilnehmer und 17 Aussteller aus 27 Ländern nutzten vom 12. bis 14. Juni 10. Internationalen Kongress mit Ausstellung "Aluminium Brazing 2018" in Düsseldorf zum Erfahrungsaustausch. Der DVS – Deutscher Verband für Schweißen und verwandte Verfahren e. V. hat zusammen mit der DVS Media GmbH bereits zum vierten Mal diese internationale Veranstaltung erfolgreich durchgeführt.

Veranstalter und Aussteller stellten erfreut die stetig wachsende Teilnehmerzahl des Kongresses fest. Gleichzeitig konnten sie auch einen Zuwachs an Gästen aus dem asiatischen Raum, wie Korea oder China, registrieren.

Dr. Hans-Walter Swidersky, Mentor der Aluminium Brazing, begrüßte die zahlreichen Teilnehmer und Dr.-Ing. Hartmut Schmoor, Vorsitzender der Fachgesellschaft "Löten" im DVS, sprach das Grußwort zur Eröffnung. Anschließend informierten die Referenten aus der Welt des Aluminiumlötens. Dabei fand die Auswahl der Vorträge zu den Themenbereichen Werkstoffe, Prüfung, Anwendungen, Ausrüstung, Qualitätsmanagement, Prozesskontrolle sowie Forschung und Entwicklung bei den Zuhörern großen Anklang. „Hochinteressant, praxisrelevant und spannend“ war der Tenor.

Ebenfalls positiv aufgenommen und damit gut besucht war die begleitende Ausstellung. Hier kam es zu vielen intensiven Fachgesprächen rund um das Thema Aluminiumlöten. Denn das „Netzwerken“ stand auch dieses Mal bei allen Teilnehmern und Ausstellern im Vordergrund.

Die große Mehrzahl der Teilnehmer bewertete die Veranstaltung in puncto technischer Relevanz, Knüpfen von Kontakten sowie Rahmenbedingungen mit gut bis sehr gut, sodass jetzt schon zwei Drittel wissen, dass sie auf jeden Fall wiederkommen wollen. Die nächste Aluminium Brazing wird Ende April 2020 wieder in Düsseldorf stattfinden.

Beiträge der Aluminium Brazing 2018 sind als Tagungsband "DVS-Berichte Band 343" (ISBN 978-3-96144-035-1) von der DVS Media GmbH, Düsseldorf, erhältlich:

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Diffractive Optical Element for Efficient Laser Brazing

Holo/OR, industrial partner of LASER COMPONENTS, has developed a diffractive optical element (DOE) that significantly accelerates the laser brazing process for hot-dip galvanized metal sheets. It provides better melting performance and cleaner edges. The DOE made of UV fused silica has an efficiency of 90%. It splits the incoming beam into three beams with different diameters and power levels. Two smaller stripping beams ensure that the zinc coating is preheated, cleaned and preconditioned for brazing. The large center beam performs the actual brazing process. Its homogeneous energy distribution ensures that the brazing material is melted evenly. So far, similar results could only be achieved with several lasers or complex optomechanical elements.

Laser brazing uses a laser to melt the brazing material and join two metallic components together. In contrast to the welding process, the parts themselves are only minimally heated. In the case of hot-dip galvanized sheets, this means that the zinc layer evaporates only in a very limited area and the sheets are hardly deformed during processing. Providing connections with high mechanical stability without impairing the corrosion protection, laser brazing has become an important process in the automotive industry. On the other hand, oxides and impurities in the zinc layer of the soldered seam can cause irregularities such as splashes, pores or uneven surfaces. This effect is now prevented by the new DOE.

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Trade Shows
LaSys, June 05 – 07, 2018, Messe Stuttgart, Germany, Booth 4C33
ANGACOM, June 12 – 14, 2018, Messe Köln, Germany, Booth 7.B09
Photonex Edinburgh, June 14, 2018, South Hall Complex, University of Edinburgh, UK, Booth S5
automatica, June 19 – 22, 2018, Messe München, Germany, Booth B5.501
Sensor+Test, June 26 – 28, 2018, Messe Nürnberg, Germany, Booth 1.256
Sensors Expo & Conference, June 27 – 28, 2018, San Jose, CA, USA, Booth 225
SPIE Optics+Photonics, August 19 – 23, 2018, San Diego, CA, USA, Booth 527
Photon 2018, September 04 – 05, 2018, Aston University, Booth 5
SPIE Security & Defense, September 11 – 13, 2018, Berlin, Germany Stand 403
Photonex Europe, October, 10 – 11, 2018, Ricoh Arena, Coventry, UK, Booth D15
Vision, November 06 – 08, 2018, Messe Stuttgart, Germany, Booth 1G31
electronica, November 13 – 16, 2018, Messe München, Germany

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