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Erschienen in:
29.08.2019 | ORIGINAL ARTICLE
A new joining by forming process for fixing sheets to tubes
Erschienen in: The International Journal of Advanced Manufacturing Technology | Ausgabe 5-8/2019
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Abstract
This paper is focused on fixing sheets to tubes away from the tube ends by annular sheet squeezing. The main objectives are the investigation of the physics behind material separation at the cross-section recess corner of the punches and the determination of the appropriate squeezing depth values. The methodology combines experimentation and finite element modelling and the overall presentation is illustrated with selected test cases retrieved from the experimental work plan. Results show that material separation is caused by through-thickness shear, that forces and energy required to form the new surfaces are negligible and that appropriate squeezing depth values result from a compromise between the quality of the mechanical interlocking and the pull-out destructive strength of the joints.