Abstract:In this study, we show that the fracture mode of (001) cracked metal nanoplates is strongly dependent on the size through molecular dynamics simulations. Cracked nanoplates with smaller sizes exhibit an elastic instabilitydominant fracture followed by a ductile behavior, whereas larger cracked nanoplates exhibit a brittle fracture. A brittle fracture is caused by an embedded crack, whereas the elastic instability-dominant fracture is due to a failure of the nanoplate by elastic instability, which is influenced… Show more
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