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Shear

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Abstract

There are three kinds of shear: in-plane shear, through-thickness shear, and out-of-plane shear, although fundamentally there is no difference. Forming by pure shear can in principle create infinite formability as there is not reduction in sheet thickness. The situation of shear combined with stretch is more complex, but several analyses have showed that it can raise the formability significantly.

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Notes

  1. 1.

    The representation of shear as in Fig. 9.3 is the fundamentally correct definition: pure shear. The variants of technological shear as shown in Fig. 9.2 are in fact a combination of pure shear and some rotation: simple shear.

References

  1. A.E. Tekkaya, J. Allwood, The effect of shear on the formability in uniaxial tension. Unpublished work, 2006

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  2. P. Eyckens, A. Van Bael, P. Van Houtte, Marciniak-Kuczynski type modelling of the effect of Through-Thickness Shear on the forming limits of sheet metal. Int. J. Plasticity 25, 2249–2268 (2009)

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  3. J.M. Allwood, D.R. Shouler, Generalised forming limit diagrams showing increased forming limits with non-planar stress states. Intern. J. Plasticity 25, 1207–1230 (2009)

    Article  MATH  Google Scholar 

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Correspondence to Wilko C. Emmens .

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© 2011 Springer-Verlag Berlin Heidelberg

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Emmens, W.C. (2011). Shear. In: Formability. SpringerBriefs in Applied Sciences and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21904-7_9

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  • DOI: https://doi.org/10.1007/978-3-642-21904-7_9

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-21903-0

  • Online ISBN: 978-3-642-21904-7

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