Elasto-plastic bending of steel strip in a hot-dip galvanizing line

Baumgart, Michael; Steinboeck, Andreas; Saxinger, Martin; Kugi, Andreas

doi:10.1007/s00707-017-1824-5

Cited by 8 publications

(2 citation statements)

References 13 publications

(26 reference statements)

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“…[21][22][23], are used to describe the incremental elasto-plastic deformation of a metal strip. Parts of this section are published in a similar way in [24]. They are repeated here for the sake of completeness.…”

Section: Prandtl-reuß Equationsmentioning

confidence: 99%

Model-based estimation of the stress-strain curve of metal strips

Stadler

Steinboeck

Baumgart

et al. 2019

Mathematical and Computer Modelling of Dynamical Systems

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The identification of the stress-strain curve of metal strips is a common task in the metals industry. As an alternative to commonly used tensile test machines, an inexpensive, model-based optical measurement method is presented. Particular importance was placed on the cost and usability of the method. The indirect approach computes the stress-strain curve based on a measured strip bending line. For the measurement, a metal strip is bent over a solid roll. A defined weight can be mounted at the end of the strip to control the local bending moment in the strip. The bending line of the strip is optically measured by a camera. The identification is carried out based on an optimization problem, where the quadratic error between the measured and the modelled strip bending line is minimized. Experimental results and measurements from a tensile test machine show a good agreement and thus verify the proposed identification method.

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Section: Prandtl-reuß Equationsmentioning

confidence: 99%

Model-based estimation of the stress-strain curve of metal strips

Stadler

Steinboeck

Baumgart

et al. 2019

Mathematical and Computer Modelling of Dynamical Systems

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“…Qin et al [22] used the finite element method to study the mechanism of transverse bending of the strip during rolling and continuous annealing. The transverse bending of the strip in hot-dip galvanizing is calculated in ref [23].…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation and effects of steel strip transverse bending during uncoiling in temper mill

Shao

et al. 2019

Ironmaking & Steelmaking

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Transverse bending, a common shape defect of hot-rolled strips, is generally controlled based on experience, which lacks quantitative study. This leads to some production problems such as difficult feeding and surface scratching in subsequent processes. Based on the principle of elastic mechanics, the mechanism of transverse bending in the process of uncoiling is studied and an analytical model is established. Then the relationship between transverse bending and influence factors, including the curvature radius of longitudinal bending, strip width and strip thickness, is obtained. The study indicates that the transverse bending is caused by longitudinal bending before uncoiling. And the strip width and the curvature radius of longitudinal bending have a great influence on the transverse bending but the strip thickness has little influence. The transverse bending diminishes nonlinearly with the increase of curvature radius of longitudinal bending and increases nonlinearly with the increase of strip width.

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