Comparison of residual stresses on long rolled profiles measured by X-ray diffraction,ring core and the sectioning methods and simulated by FE method
Article dans une revue avec comité de lecture
Date
2016Journal
Thin-Walled StructuresAbstract
Sheet piles are produced by hot rolling, a cooling step and, if required, by a straightening operation. Numerical simulations indicate that the stress field is almost homogeneous through the thickness, justifying the comparison of X-ray diffraction, ring core and the sectioning methods applied after the cooling step and after the straightening process. The equipment, the steps of the experimental procedures and the results are detailed, showing the limits, the specificities and the advantages of each method. Moreover, the amplitude and the distribution of the stresses along the width of the sections present good agreement with results of numerical simulations.
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