fig2
From: Nanostructural design of superstrong metallic materials by severe plastic deformation processing
![Nanostructural design of superstrong metallic materials by severe plastic deformation processing](https://image.oaes.cc/80bf5da2-5270-4544-b7ea-3ee2c0723a2f/5278.fig.2.jpg)
Figure 2. Hall-Petch relationships for Al 1100 and Al-3%Mg supported by the yield stress of nanostructured alloys Al-3%Mg, 1570 and 7475. Reproduced with permission, Copyright 2010, Elsevier[11].