Joining metals without welding
(PHYSorg.com Nanotechnology)

Welding is still the standard technique for joining metals. However, this laborious process carried out at high temperatures is not suitable for all applications. Now, a research team from the `Functional Nanomaterials` working group at Kiel University, together with the company Phi-Stone AG from Kiel, has developed a versatile alternative to conventional welding and gluing processes. Based on a special etching process, it enables aluminium and aluminium alloys to be joined with each other as well as with polymers, forming a durable and strong joint. They will present the prototype of a mobile joining unit at the Hannover Messe (23-27 April). They plan to commence mass production in future, after feedback from customers.