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Nanoscale fracture

To twin or not to twin

Can atomistic simulations of fracture in some metals be wrong or misinterpreted? A seeming controversy between modelling and experiment is reconciled by a clever multiscale simulation technique bridging time- and length-scales.

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Figure 1: Nanoscale crack propagation in aluminium.

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Yamakov, V., Glaessgen, E. To twin or not to twin. Nature Mater 6, 795–796 (2007). https://doi.org/10.1038/nmat2041

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