Experimental analysis on the influence of freeform bending on Barkhausen noise for steel tubes

Experimental analysis on the influence of freeform bending on Barkhausen noise for steel tubes

MAIER Daniel, SCANDOLA Lorenzo, WERNER Matthias, STEBNER Sophie, ISMAIL Ahmed, LOHMANN Boris, MÜNSTERMANN Sebastian, VOLK Wolfram, LECHNER Philipp

Abstract. Freeform bending with a movable die makes it possible to bend complex structures and seamless radii without changing the bending tools. Currently, most research focuses on minimizing the geometrical deviations without considering the mechanical properties of the bent tubes. A previous work showed, that the geometry can be decoupled from the mechanical properties with non-tangential bending [1]. The implementation of a soft sensor based on ultrasonic contact impedance measurements (UCI) of the property-controlled freeform bending has also been examined [2], as well as a structure for closed-loop control based on material properties [3]. The present work deals with a micro-magnetic sensor and Barkhausen noise (BHN) and investigates its suitability for the closed-loop control. For this purpose, different processing routes for freeform-bent steel tubes are experimentally investigated by their characteristic BHN. In addition to an existing simulation model, a data basis for the impact of freeform bending parameters is built to extend the existing model of a property-based closed-loop control.

Keywords
Freeform Bending, FEM, Barkhausen Noise, Softsensor, Closed-Loop Control

Published online 4/19/2023, 10 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: MAIER Daniel, SCANDOLA Lorenzo, WERNER Matthias, STEBNER Sophie, ISMAIL Ahmed, LOHMANN Boris, MÜNSTERMANN Sebastian, VOLK Wolfram, LECHNER Philipp, Experimental analysis on the influence of freeform bending on Barkhausen noise for steel tubes, Materials Research Proceedings, Vol. 28, pp 2091-2100, 2023

DOI: https://doi.org/10.21741/9781644902479-224

The article was published as article 224 of the book Material Forming

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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