最新色国产精品精品视频,中文字幕日韩一区二区不卡,亚洲有码转帖,夜夜躁日日躁狠狠久久av,中国凸偷窥xxxx自由视频

In present work, the impact of hot extrusion on the microstructure and texture, as well as mechanical properties of the Mg?1Gd?1Nd (wt.%) alloy were investigated. The results demonstrated that the as-cast alloy displayed a typical eutectic microstructure consisting α-Mg solid solution and semi-continuous eutectic compounds. After solution treatment, the eutectic compounds were mostly dissolved in the α-Mg matrix. The microstructure and texture of the extruded alloy were analyzed by electron backscatter diffraction (EBSD) technique. It was demonstrated that the extruded alloy exhibited fully recrystallized microstructure and weak basal texture. In details, the basal planes of the grains majority were spread both towards extrusion direction and transverse direction of the extruded alloy sheet. Especially in the extrusion direction, the orientation distribution was significantly dispersive. The broad spread in orientations resulted in effective activation of the basal slip and allows the alloy to accommodate higher strains prior to failure. On the other hand, the texture was responsible for the planar anisotropies of the extruded alloy sheet.