Effect of roller leveling on the bending behaviour of aged steel strip

Marnette, Jascha, Rolfe, Bernard, Hodgson, Peter and Weiss, Matthias 2012, Effect of roller leveling on the bending behaviour of aged steel strip, in Metal Forming 2012 : Proceedings of the 14th International Conference on Metal Forming, Wiley-VCH, [Krakow, Poland], pp. 699-702.

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Title Effect of roller leveling on the bending behaviour of aged steel strip
Author(s) Marnette, Jascha
Rolfe, BernardORCID iD for Rolfe, Bernard orcid.org/0000-0001-8516-6170
Hodgson, Peter
Weiss, MatthiasORCID iD for Weiss, Matthias orcid.org/0000-0002-1845-6343
Conference name International Conference on Metal Forming (14th : 2012 : Krakow, Poland)
Conference location Krakow, Poland
Conference dates 16-19 Sept. 2012
Title of proceedings Metal Forming 2012 : Proceedings of the 14th International Conference on Metal Forming
Editor(s) Mori, K.
Pietrzyk, M.
Kusiak, J.
Majta, J.
Hartley, P.
Lin, J.
Publication date 2012
Conference series International Conference on Metal Forming
Start page 699
End page 702
Total pages 4
Publisher Wiley-VCH
Place of publication [Krakow, Poland]
Keyword(s) roll forming
skin passing
roller leveling
residual stress
strain ageing
Summary The common grades of steel used in roll forming are: hot rolled carbon steel, high strength low alloy and recovery annealed cold rolled sheet. These steels are prone to ageing and are often skin passed and/or roller leveled to eliminate ageing as it can lead to problems in forming. In roll forming, shape defects such as bow, twist and camber are considered to be related to very small plastic strains in the longitudinal direction and hence knowledge of the material properties in the elastic plastic transition range is necessary if the process is to be modelled accurately. Previous studies with aluminium have indicated that skin pass rolling can lead to residual stresses in the strip. In this work, the study was extended to aged carbon steel and to the effect of roller leveling on both aged material and strip that had been given a light cold rolling to simulate a skin pass treatment. The results suggest that roller leveling reduced the magnitude of residual stresses resulting from skin pass rolling.

The significant differences observed between tensile and bending test results, at and near, the elastic plastic transition reinforces the need to consider bending properties when assessing the effect of prior processing on strip for roll forming.
Language eng
Field of Research 091207 Metals and Alloy Materials
091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 861103 Basic Iron and Steel Products
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2012, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052850

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