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Numerical Simulation of Clinching Process in Copper Alloy Sheets

The clinch joining is a new technique to join light alloy materials. This paper studies the process of clinching in joining Copper alloy sheets based on the method of numerical simulation combined with experiment. The studies are performed by employing software ansys/ls-dyna considering with the contact conditions and material models in the model. Efficient analytic results of forming of clinching in Copper alloy sheets are provided. The experiments of clinched joints in Copper alloy sheets are carried out to validate the simulation. It is shown that the simulation of process of clinching joints in Copper alloy sheet has a good agreement with the experimental result. That suggests the developed finite element model, considering the contact conditions of materials and the material models can be used to predict the joint forming of Copper alloy by clinching ideally.