Targeted Weld Seam Formation and Energy Reduction at Magnetic Pulse Welding (MPW)
Journal Title: Biuletyn Instytutu Spawalnictwa - Year 2017, Vol 61, Issue 5
Abstract
Magnetic pulse welding is based on the high velocity impact of two joining partners and a promising technology especially for the joining of dissimilar metallic components. Under proper conditions, a solid-state bond forms at the overlapping interface that is typically at least as strong as the weaker base material. However, high thermal and mechanical loads act on the tool coil and provoke a limited lifetime. Furthermore, the prevalent magnetic fields obstruct a comprehensive process monitoring with conventional means. In this manuscript, approaches for reducing the load on the tool coil without compromising the joint quality are presented. This is obtained by an adaption of the coil geometry and the application of a boundary layer on one of the joining partners. Moreover, a new measuring system taking advantage of the naturally occurring impact flash is evaluated and successfully applied for the process development and detection of process disturbances.
Authors and Affiliations
Joerg Bellmann, Eckhard Beyer
Keywords
Related Articles
- EP ID EP244990
- DOI 10.17729/ebis.2017.5/10
- Views 86
- Downloads 0
Assessment of Mechanical Properties of Laser Beam Welded Joints Made of Steel Strenx S700MC Subjected to High Impact Load
The article assesses the strength and ductility of laser welded joints made of steel Strenx S700MC. The assessment was based on tests results concerning the material structure, hardness as well as quasi-static and dynami...
Effect of Powder Surfacing on the Geometry of Run Surfaced on Flat and Cylindrical Elements
Comparative tests of self-shielded arc surfacing of flat and cylindrical elements led to the conclusion that both of the above-named cases revealed the identical effect of surfacing conditions on the run width and the ba...
Robotic CMT arc braze welding of 10CrMo9-10 steel tubes with internal copper lining
The article presents issues related to arc braze welding of tubes made of 10CrMo9-10 (10H2M) boiler steel lined inside with copper. In addition, the study points to possibilities of producing joints using conventional an...
Two cases of high alloy austenitic steel failures
The article presents failures of structures made of austenitic steels. The first part is concerned with accelerated (centrifugally) cast tubes (ϕ 52.6 x 5.8 mm) made of steel 25-35 CrNi exposed to high temperature and se...
Effect of Welding Parameters on the Structure, Mechanical Properties and Crack Resistance of Welded Joints Made of Steel 14HGN2MDAFB
The article presents test results concerning the structure and the phase composition of the weld and HAZ metal of welded joints made of high yield point (above 700 MPa) steel 14HGN2MDAFB using the mechanised welding meth...