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Bending Moment and Cross-Section Deformation of a Box Profile

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EN
Abstrakty
EN
In the process of plastic bending of thin-walled profiles, there is a significant deformation of the cross-section, which has a very significant impact on the course and effects of the shaping process construction products. In this paper, the experimental, analytical as well as numerical analyses of the box profile bending process enabled to establish the relationships determining the dependence of the cross-sectional form and bending moment on the bending curvature. The following paper discusses pure bending moment and the cross-sectional deformation of 21.5×21.5×1.8 mm and 25×25×2.5 mm square tubes made of the 6060 aluminium alloy. Satisfactory agreement of the experimental results and numerical calculations was obtained for the values of horizontal and vertical wall deflection, as well as for the experimental, calculated and numerical bending moment characteristics.
Twórcy
  • Rzeszow University of Technology, al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland
  • Rzeszow University of Technology, al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland
Bibliografia
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  • 2.Świątkowski K. and Stachowicz F. Analysis of the cross-sectional deformation of box profiles subjected to bending. Journal of Mechanical Working Technology, 10, 1984, 103–116.
  • 3.Chen D.H. and Masuda K. Rectangular hollow section in bending: Part I – Cross-sectional flattening deformation. Thin-Walled Structures, 106, 2016, 495–507.
  • 4.Shen J. and Wadee M.A. Sensitivity to local imperfections in inelastic thin-walled rectangular hollow section struts. Structures, 17, 2019, 43–57.
  • 5.Paulsen F., Welo T. and Sovik O.P. A design method for rectangular hollow sections in bending. Journal of Materials Processing Technology, 113, 2001, 699–704.
  • 6.Zhu H. and Stelson K.A. Distortion of rectangular tubes in stretch bending. Journal of Manufacturing Science and Engineering, 124, 2002, 886–890.
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  • 8.Corona E. and Vaze S. Buckling of elastic-plastic square tubes under bending. International Journal of Mechanical Science, 38, 1996, 753–775.
  • 9.T.H. Kim and S.R. Reid: Bending collapse of thin-walled rectangular section columns, Computers & Structures, 79, 2001, 1897–1911.
  • 10.Paulsen F. and Welo T. A design method for prediction of dimensions of rectangular hollow sections formed in stretch bending. Journal of Materials Processing Technology, 128, 2002, 48–66.
  • 11.Petrone F. and Monti G.: Unified code-compliant equations for bending and ductility capacity of full and hollow rectangular RC sections. Engineering Structures, 141, 2019, 805–815.
  • 12.Chiew S.P., Jin Y.F. and Lee C.K.: Residual stress distribution of roller bending of steel rectangular structural hollow sections. Journal of Constructional Steel Research, 119, 2016, 85–97.
  • 13.Shim D-S., Kim, K-P. and Lee K-Y.: Double-stage forming using critical pre-bending radius in roll bending of pipe with rectangular cross-section. Journal of Materials Processing Technology, 236, 2016, 189–203.
  • 14.Lan X., Chen J., Chan T-K. and Young B. The continuous strength method for the design of high strength steel tubular sections in bending, Journal of Constructional Steel Research, 160, 2019, 499–509.
  • 15.Zhu H. and Stelson K.A. Modeling and closed-loop control of stretch bending of aluminum rectangular tubes. Journal of Manufacturing Science and Engineering, 125, 2003, 113–119.
  • 16.Litwin P. and Stachowicz F. Artificial intelligence identification of box profile bending parameters, Journal of Artificial Intelligence Study, 1, 2004, 99–106.
  • 17.Zeidler E. Variational problems, the Ritz method, and the idea of orthogonality. in: Nonlinear functional analysis and its application, Springer, New York 1990.
  • 18.Rojek J. Modelowanie i symulacja komputerowa złożonych zagadnień mechaniki nieliniowej metodami elementów skończonych i dyskretnych, Prace IPPT PAN, 4/2007, Warszawa 2007.
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  • 21.Żmudzki A., Śledzińska A., Pietrzyk M., Woźnika H., Plewiński A., and Drenger T. Kontrola jakości produktów głębokiego tłoczenia blach za pomocą symulacji komputerowych. Obróbka Plastyczna, 16, 2005, 50–62.
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Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-4927b02a-0d1c-4ed7-935f-a29913e1e4ca
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