Experimental study on tensile deformation behaviors under room and elevated temperatures induced by microstructure inhomogeneity of ZK60 Mg with a longitudinal weld

•Effects of microstructure inhomogeneity on tensile deformation behavior of ZK60 Mg were clarified.•Tensile temperature and loading direction determined the slipping- or twinning-dominated deformation mode.•DRX was changed from continuous mode to discontinuous mode with increasing tensile temperature.•Welding zone showed superplastic behavior at tensile temperature > 300 °C due to the GBS effects.•The texture evolution was dependent on loading direction, tensile temperature and recrystallization mode.