Priority program 1640
“joining by plastic deformation”
State-of-the-art production technology increasingly demands for process reliable joints of dissimilar materials. The driving force behind was on the one hand lightweight construction with regard to an efficient use of resources and on the other hand the request for high-performing products by a selective use of the material’s properties.
New joining techniques based on plastic deformation are able to fulfil these requirements but are usually hardly investigated and the underlying joining mechanisms were still insufficiently understood. However, this fundamental knowledge is a crucial point for the industrial implementation.
In order to close this gap, the priority program 1640 “forming by plastic deformation” was initiated in 2011. Within this priority program, scientists of all kinds of research institutions cooperate to investigate and to advance novel joining processes.
The first of a total of three funding periods, starting in October 2012, aimed the examination of the process principles. During the second funding period from 2014, the focus was on the reproducibility of the joining processes. The current third phase began in early 2017 and ended at June 5th and 6th with a final colloquium in Darmstadt, with the overarching objective of transferring basic research into industrial applications. This includes additionally predictability, quality assurance and process robustness. Further attention was paid to material combinations that are currently feasible and will be possible in the future.
The PtU as coordinator would like to thank the DFG for its funding and all the research centers in the subprojects for their successful cooperation, and wishes success with the research and cooperation projects that are now following in cooperation with industry.
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