耐热铝基合金研究进展：微观组织设计与析出策略
高一涵, 刘刚(), 孙军()
Recent Progress in High-Temperature Resistant Aluminum-Based Alloys: Microstructural Design and Precipitation Strategy
GAO Yihan, LIU Gang(), SUN Jun()

图1. 铝基金属基复合材料(MMCs)的典型微观组织特征：增强相(黄色)与空洞(黑色)的三维表征结果及相应的二维截面(空洞尺寸以渐变颜色表示)[20]；TiB2/α-Al界面上非均匀析出行为与界面失配位错的高角环形暗场扫描透射电子显微镜(HAADF-STEM)表征结果[26]

Fig.1. Representative microstructural features of Al-based metal matrix composites (MMCs), including three-dimensional mapping with reinforcement fibers in yellow together with pores in black (a)[20] and cross section of the x-y plane with pores density highlighted by gradient color (b)[20], and high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) images showing heterogeneous precipitation (c)[26] and misfit dislocations (d)[26] at the TiB2/α-Al interfaces