新型低合金含量烘烤硬化镁合金研究进展及展望

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王慧远, 孟昭元, 贾海龙, 徐新宇, 花珍铭

Research Progress and Future Prospect on New Low-Alloyed Bake-Hardenable Magnesium Alloys

WANG Huiyuan, MENG Zhaoyuan, JIA Hailong, XU Xinyu, HUA Zhenming

图4 Mg-4.7Zn合金和压缩退火后Mg-6.1Gd-1.0Zn-0.7Zr合金孪晶界上的周期性溶质偏聚^[39]

Fig.4 Periodic segregation of solutes in twinning boundaries (TBs)^[39]
(a, c) HAADF-STEM images showing {

$10 \bar{1} 1$

} TBs in Mg-0.2Zn alloys (atomic fraction, %) (a) and {

$10 \bar{1} 2$

} TBs in Mg-0.8Zn alloy (atomic fraction, %) (c)
(b, d) close-ups of Figs.4a and c, respectively
(e, f) schematic illustrations of Figs.3b and d, respectively (Blue (in the paper plane) or purples (out of the paper plane) balls represent atoms in the A layer, yellow (in the paper plane) or orange (out of the paper plane) balls represent atoms in the B layer)