An overview of stabilizing deformation mechanisms in incremental sheet forming

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Critical analysis of necking and fracture limit strains and forming forces in single-point incremental forming (2014, background): “to the enhancement of the formability in SPIF are the triaxiality ratio, the shear stress, the contact pressure and the cyclic straining [3].”
Forming forces in single point incremental forming: prediction by finite element simulations, validation and sensitivity (2011, background): “Besides through-thickness shear, other mechanisms have been proposed to explain the high formability in SPIF, an overview of which is given in Emmens and van den Boogaard [ 21 ].”
Failure mechanisms in single-point incremental forming of metals (2011, methodology): “A possible explanation considers that dynamic bending-under tension (BUT) typical of incremental forming processes gives rise to a stabilizing effect that is proportional to the ratio t/rtool between the sheet thickness and the radius of the tool [6].”
Review on the influence of process parameters in incremental sheet forming (2016, methodology): “Six mechanisms were discussed by Emmens and van den Boogaard [10] to understand the deformation mechanisms and formability in ISF.”