Strength asymmetry in nanocrystalline metals under multiaxial loading

Molecular simulations of nanocrystalline nickel are used to investigate the effect of loading state on mechanical response. Simulations at grain sizes near the amorphous limit (2–4 nm) show a clear strength asymmetry, with specimens stronger under uniaxial compression than under uniaxial tension. A...

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Veröffentlicht in:	Acta materialia 2005-06, Vol.53 (11), p.3193-3205
Hauptverfasser:	Lund, A.C., Schuh, C.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Asymmetry Exact sciences and technology Grain size Lobes Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metallic glass Metals. Metallurgy Nanocrystalline metals Nanocrystals Plasticity Shear stress Simulation Strength Tension–compression asymmetry Trends
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