Nanoindentation of polycrystalline Pd hollow nanoparticles: Grain size role

FJ Valencia, B Pinto, M Kiwi, CJ Ruestes… - Computational Materials …, 2020 - Elsevier
Polycrystalline hollow nanoparticles present a unique combination of strength and flexibility.
However, the exact role displayed by their grain structure in mechanical properties has not
been yet fully understood. Here, by means of molecular dynamics simulations, the role of
grain boundary structure during the nanoindentation of metallic hollow nanoparticles with a
polycrystalline shell was investigated. Our simulations were performed for a range of grain
sizes and shell thicknesses, including the large strain regime. Our results show that hNP …

Nanoindentation of polycrystalline Pd hollow nanoparticles: Grain size role

B Pinto, FJ Valencia, M Kiwi, CJ Ruestes, EM Bringa… - 2020 - repositorio.umayor.cl
Polycrystalline hollow nanoparticles present a unique combination of strength and flexibility.
However, the exact role displayed by their grain structure in mechanical properties has not
been yet fully understood. Here, by means of molecular dynamics simulations, the role of
grain boundary structure during the nanoindentation of metallic hollow nanoparticles with a
polycrystalline shell was investigated. Our simulations were performed for a range of grain
sizes and shell thicknesses, including the large strain regime. Our results show that hNP …
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