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Theoretical extension of elastic-perfectly plastic deformation length in roll forming of a channel section

Tafti, Roohollah Azizi, Naeini, Hassan Moslemi, Tehrani, Mehdi Salmani, Rolfe, Bernard and Weiss, Matthias 2013, Theoretical extension of elastic-perfectly plastic deformation length in roll forming of a channel section, International journal of materials and product technology, vol. 47, no. 1/2/3/4, pp. 33-45.

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Title Theoretical extension of elastic-perfectly plastic deformation length in roll forming of a channel section
Author(s) Tafti, Roohollah Azizi
Naeini, Hassan Moslemi
Tehrani, Mehdi Salmani
Rolfe, Bernard
Weiss, Matthias
Journal name International journal of materials and product technology
Volume number 47
Issue number 1/2/3/4
Start page 33
End page 45
Total pages 13
Publisher Inderscience Publishers
Place of publication Geneva, Switzerland
Publication date 2013
ISSN 0268-1900
1741-5209
Keyword(s) deformation length
elastic-perfectly plastic
analytical model
roll forming
channel section
Summary In this paper, the Young’s modulus and the yield strength of the strip are considered in order to modify the deformation length analysis proposed by Bhattacharyya et al. New analytical equations are developed assuming an elastic-perfectly plastic material behaviour and the deformation length analysed for the simple case of roll forming a U-channel; the analytical results are verified by comparison with experimental data found in the literature. The proposed elastic-plastic deformation length is shorter than Bhattacharyya’s which is rigid-perfectly plastic. It is observed that the influence of elastic properties on the deformation length is not as significant as the plastic properties; however, the authors believe that the elastic effects become more important under conditions where a major area of the strip is under elastic deformation such as when the flange length is long.
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 861206 Structural Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2013, Inderscience Enterprises
Persistent URL http://hdl.handle.net/10536/DRO/DU:30062731

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