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Nanotwinned metals

It's all about imperfections

Experiments and simulations show that coherent twin boundaries, commonly believed to be perfect, are riddled with kinks and other defects.

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Figure 1: The mechanical properties of nanotwinned metals depend on both grain size and the spacing between twin boundaries (TBs).
Figure 2: Microstructure and deformation mechanisms of nanotwinned Cu.

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Correspondence to Julia R. Greer.

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Greer, J. It's all about imperfections. Nature Mater 12, 689–690 (2013). https://doi.org/10.1038/nmat3721

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