Table 1 Summary of tensile deformation mechanisms for Cu NWs with titled twins.
From: Effects of twin orientation and spacing on the mechanical properties of Cu nanowires
Slant angle | Schmid factors | Dislocation activities after initial yield | Yielding mechanisms | Initial yield strain | Range of strain hardening | Peak stress (GPa) |
---|---|---|---|---|---|---|
0° | 0 | Slip intersecting with CTBs | Strain softening | 5.60% | — | 10.01 |
19.47° | 0.27 | Stacking faults | Strain hardening | 3.15% | 20.65% | 6.83 |
35.26° | 0.41 | TB migration | Strain hardening | 4.60% | 24.64% | 7.52 |
54.74° | 0.41 | TB migration | Strain hardening | 4.71% | 22.92% | 8.41 |
70.53° | 0.27 | Slip intersecting with CTBs | Strain softening | 7.20% | — | 9.09 |
90° | 0 | Slip intersecting with CTBs | Strain softening | 9.86% | — | 6.06 |