Figure 3. Cyclic stress response curves of metal-mold cast and die-cast Al-9Si-4Cu-0.4Mg-0.3Sc alloys at various total strain amplitudes. (a) 0.25%; (b) 0.3%; (c) 0.35%; (d) 0.4%; and (e) 0.45%.

Figure 3. Cyclic stress response curves of metal-mold cast and die-cast Al-9Si-4Cu-0.4Mg-0.3Sc alloys
at various total strain amplitudes. (a) 0.25%; (b) 0.3%; (c) 0.35%; (d) 0.4%; and (e) 0.45%.