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The effect of skin passing on the material behavior of metal strip in pure bending and tension

Weiss, Matthias, Ryan, Will, Rolfe, Bernard and Yang, Chunhui 2010, The effect of skin passing on the material behavior of metal strip in pure bending and tension, in NUMIFORM 2010 : Proceedings of the 10th International Conference on Numerical Methods in Industrial Forming Processes, American Institute of Physics (API), Danvers, Ma., pp. 896-902.

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Title The effect of skin passing on the material behavior of metal strip in pure bending and tension
Author(s) Weiss, Matthias
Ryan, Will
Rolfe, Bernard
Yang, Chunhui
Conference name International Conference on Numerical Methods in Industrial Forming Processes (10th : 2010 : Pohang, Republic of Korea)
Conference location Pohang, Republic of Korea
Conference dates 13-17 Jun. 2010
Title of proceedings NUMIFORM 2010 : Proceedings of the 10th International Conference on Numerical Methods in Industrial Forming Processes
Editor(s) Barlat, Frederic
Moon, Young Hoon
Lee, Myoung-Gyu
Publication date 2010
Conference series Numerical Methods in Industrial Forming Processes Conference
Start page 896
End page 902
Total pages xv, 1346, A6 p.
Publisher American Institute of Physics (API)
Place of publication Danvers, Ma.
Keyword(s) roll forming
Finite Element Analysis (FEA)
bending
residual stress
sheet forming
skin passing
Summary The metal strip used in roll forming has often been preprocessed by (tension or roller) leveling or by skin-pass rolling, and as a consequence, may contain residual stresses. These stresses are not well observed by the tensile test, but could have a significant effect on the bending and springback behavior. With the advent of improved process design techniques for roll forming, including advanced finite element techniques, the need for precise material property data has become important. The major deformation mode of roll forming is that of bending combined with unloading and reverse bending, and hence property data derived from bend tests could be more relevant than that from tensile testing.

This work presents a numerical study on the effect of skin passing on the material behavior of stainless steel strip in pure bending and tension. A two dimensional (2-D) numerical model was developed using Abaqus Explicit to analyze the affect of skin passing on the residual stress profile across a section for various working conditions. The deformed meshes and their final stress fields were then imported as pre-defined fields into Abaqus Standard, and the post-skin passing material behavior in pure bending was determined. The results show that a residual stress profile is introduced into the steel strip during skin passing, and that its shape and stress level depend on the overall thickness reduction as well as the number of rolling passes used in the skin passing process. The material behavior in bending and the amount of springback changed significantly depending on the skin pass condition.
ISBN 9780735408005
ISSN 0094-243X
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 861205 Sheet Metal Products
HERDC Research category E1 Full written paper - refereed
HERDC collection year 2010
Copyright notice ©2010, American Institute of Physics (API)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033781

Document type: Conference Paper
Collections: Centre for Material and Fibre Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.