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8. 具有核-壳结构的Al₃(Sc, Zr, Er)基析出相的APT照片，及数种Al-Sc-Zr-Er基合金在300和400℃的抗蠕变性能^[136,139]

Fig.8. Representative atom probe tomography (APT) images showing the Al₃(Sc,Zr,Er)-based nanoprecipitates with core-shell structure (a~d)^[136], and creep resistance of several Al-Sc-Zr-Er-based alloys at 300^oC (e)^[139] and 400^oC (f)^[139] (σ $t h d i s l o c$ —threshold stress)