Effect of texture on acoustic emission produced by slip and twinning in AZ31B magnesium alloy

Abstract The mechanical behaviour of extruded AZ31B magnesium alloy with two different textures subjected to uniaxial tensile loading was studied. Monotonic and cyclic tensile tests were carried out at ambient temperature, and acoustic emission (AE) signals were recorded to detect various deformation processes occurring during the test. The results of mechanical tests and AE are discussed with respect to the crystallographic texture and the microstructure in terms of the orientation dependent activation of different deformation mechanisms, such as twinning and slip. Keywords: TextureAcoustic emissionTwinningSlip Acknowledgements The authors are grateful to the National Sciences and Engineering Research Council of Canada for their financial support of this work, and to Dr M. Hamstad, Denver University for valuable discussions in the course of this work.