LZ91 magnesium alloy extruded sheets were subjected to cold rolling.The microstructure and texture evolution were tracked using optical microscopy(OM)and X-ray diffraction(XRD).Theα-Mg andβ-Li phases were elongated ...LZ91 magnesium alloy extruded sheets were subjected to cold rolling.The microstructure and texture evolution were tracked using optical microscopy(OM)and X-ray diffraction(XRD).Theα-Mg andβ-Li phases were elongated along rolling direction(RD),contributing to the formation of a thin lamellar“sandwich”structure.This“sandwich”structure is favored for glissile dislocation ofα-Mg phase during rolling.Theα-Mg andβ-Li phases are near Burgers orientation relationship,resulting in an unusual RD texture component in(0002)pole figure.展开更多
基金support from the National Natural Science Foundation of China(Grant No.51601062,51605159 and 51475162).
文摘LZ91 magnesium alloy extruded sheets were subjected to cold rolling.The microstructure and texture evolution were tracked using optical microscopy(OM)and X-ray diffraction(XRD).Theα-Mg andβ-Li phases were elongated along rolling direction(RD),contributing to the formation of a thin lamellar“sandwich”structure.This“sandwich”structure is favored for glissile dislocation ofα-Mg phase during rolling.Theα-Mg andβ-Li phases are near Burgers orientation relationship,resulting in an unusual RD texture component in(0002)pole figure.
