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

Yang Wang, Shun Zhang, Ruizhi Wu, Nodir Turakhodjaev, Legan Hou, Jinghuai Zhang, Sergey Betsofen

Table 1 Experimental and calculated strength increments aged at 150 °C for 48 h, 96 h and 144 h previously aged at 300 °C for 24 h.

Aging Time Δσord (MPa) Δσcoh+Δσmod (MPa) ΔσOr (MPa) ΔHV/3 (MPa) 48 h 95 109 243 220 96 h 109 138 234 237 144 h 122 162 239 230