新型低合金含量烘烤硬化镁合金研究进展及展望

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1 2%拉伸预应变态和烘烤硬化态AZMX1110合金的透射电镜-三维原子探针(TEM-APT)联用表征结果[15]

Fig.1 Correlative TEM-APT characterization of 2% pre-strained and bake-hardened (BH) AZMX1110 alloys[15] (APT—atom probe tomography, insets in Figs.1a and d are the selected area electron diffraction (SAED) patterns) (a) two-beam bright field-TEM (BF-TEM) image of 2% pre-strained sample obtained under the g = 011¯0 ( g —diffraction vector) (b) APT map obtained from the same tip shown in Fig.1a (c) overlay of Fig.1b and the corresponding region in Fig.1a (d) two-beam BF-TEM image of bake-hardened sample obtained under the g = 011¯1 (e) APT map obtained from the same tip shown in Fig.1d (a-d represents four dislocations) (f) overlay of Fig.1e and the corresponding region in Fig.1d