Coarsening kinetics and strengthening mechanisms of core-shell nanoscale precipitates in Al-Li-Yb-Er-Sc-Zr alloy

Yang Wang^a, Shun Zhang^a, Ruizhi Wu^a^,^b^,^*(

), Nodir Turakhodjaev^c, Legan Hou^a, Jinghuai Zhang^a, Sergey Betsofen^d

Fig. 4.. (a, b) HRTEM images of a core-shell Al₃(Yb, Er, Sc, Zr, Li) composite composite particle aged isothermally at 300 °C/24 h + 150 °C/144 h in Al-Li-Yb-Er-Sc-Zr.