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  • Electromagnetic pulse crimping

    High-velocity electromagnetic deformation and welding processes (also know as magnetic pulse forming and welding) are highly innovative automatic production techniques. These processes are based on the same working principle, more specific the use of electromagnetically induced forces to deform, crimp and/or weld workpieces. The electromagnetic pulse joining processes have remarkable advantages compared to the conventional joining processes. The possibilities of the technology is illustrated with some examples.

  • Joining of dissimilar materials using the magnetic pulse process

    The process is mostly used for tubular specimens. In this study, experiments were performed to investigate the weldability of various material combinations. 

  • Weldability of micro-alloyed high-strength pipeline steels using a new friction welding variant

    An innovative welding method for fully automatic joining of pipelines has been developed. The proposed welding procedure is a variant of the conventional friction welding process. A rotating intermediate ring is used to generate heat necessary to realise the weld. The working principles of the welding process are described. The weldability of the micro-alloyed high-strength pipeline steel API-5L X65 is experimentally investigated. It was found that the new welding process is suitable for joining this material. When welding with a sufficiently low heat input, a high weld quality is obtained. Under these circumstances the weld strength, ductility and impact toughness are high and fulfil the requirements of the commonly used standard EN 12732 for joining pipes.

  • InnoJoin - Summary of project results

    SUMMARY REPORT of the research project "Development and evaluation of advanced welding technologies for multi-material design with dissimilar sheet metals"

    Acronym : InnoJoin

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