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Approach for testing the material behavior in roll forming in a small scale

Weiss, M, Abeyrathna, B., Marnette, J., Badr, O., Abvabi, A., Jiao, J. and Hodgson, P. 2012, Approach for testing the material behavior in roll forming in a small scale, in IDDRG 2012 : Lightweighting, possibilities & challenges : Proceedings of the 2012 International Deep Drawing Research Group Conference, International Deep-Drawing Research Group, Mumbai, India, pp. 1-6.

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Title Approach for testing the material behavior in roll forming in a small scale
Author(s) Weiss, M
Abeyrathna, B.ORCID iD for Abeyrathna, B. orcid.org/0000-0002-4476-3902
Marnette, J.
Badr, O.
Abvabi, A.
Jiao, J.
Hodgson, P.
Conference name International Deep Drawing Research Group. Conference (2012 : Mumbai, India)
Conference location Mumbai, India
Conference dates 25-29 Nov. 2012
Title of proceedings IDDRG 2012 : Lightweighting, possibilities & challenges : Proceedings of the 2012 International Deep Drawing Research Group Conference
Editor(s) [Unknown]
Publication date 2012
Conference series International Deep Drawing Research Group Conference
Start page 1
End page 6
Total pages 6
Publisher International Deep-Drawing Research Group
Place of publication Mumbai, India
Keyword(s) roll forming
incremental forming
high strength materials
new materials
Summary Roll forming of ultra-high strength steels (UHSS) and other high strength alloys is an advanced manufacturing methodology with the ability of cold forming those materials to complex three-dimensional shapes for lightweight structural applications. Due to their high strength, most of these materials have a reduced ductility which excludes conventional sheet forming methods under cold forming conditions. Roll forming is possible due to its low strains and incremental forming characteristic. Recent research investigates the development of high strength nano-structured aluminum sheet and titanium alloys, as well as their behaviour in roll forming with regard to formability, material behaviour and shape defects. The development of new materials is often limited to small scale samples due to the high preparation costs. In contrast, industrial application needs larger scale tests for validation, especially in roll forming where a minimum sheet length is required to feed the sample trough the roll forming machine. This work describes a novel technique for studying roll forming of a short length of experimental material. DP780 steel strips (500mm – 1300mm length) were welded between two mild steel carrier sheets of similar width and thickness giving an overall strip length of 2m. Roll forming trials were performed and longitudinal edge strain, bow and springback determined on the welded samples and samples formed of full length DP780 strip before and after cut off. The experimental results of this work show that this method gives a reasonable approach for predicting material behavior in roll forming transverse to the rolling direction. In contrast to that significant differences in longitudinal bow were observed between the welded sections and the sections formed of full length DP780 strip; this indicates that the applicability of this method is limited with regard to predicting longitudinal material behavior in 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, International Deep-Drawing Research Group
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052867

Document type: Conference Paper
Collections: Institute for Frontier Materials
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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.