Abstract
An understanding of the effect of twinning activity on deformation features is of great importance to broaden the application of Mg-alloy sheets. The activation of deformation mode is related closely to the grain orientations, as well as additional applied load direction of Mg-alloy sheets. We applied in-plane pre-strain paths combined with pre-rolling and pre-compression in the transverse and extrusion directions to evaluate the grain-boundary effects as influenced by texture variation. Texture change via twinning deformation can improve the stretch formability of sheet thinning at room temperature. Twin-texture components on the {101(—)2} direction induced by pre-compression offer an excellent opportunity to accommodate thickness strain under stretch forming.
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