The impact of a variety of point defects on the inception of plastic deformation in dislocation-free metals

Atomistic simulations of nanoindentation tests were used to quantify the effect of point defects (a single vacancy, a di-vacancy, a self interstitial atom and a stacking fault tetrahedron) on the onset of plasticity in copper. The stacking fault tetrahedron reduces the pressure needed to nucleate a...

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Veröffentlicht in:	Scripta materialia 2012-03, Vol.66 (6), p.339-342
Hauptverfasser:	Salehinia, I., Bahr, D.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystal defects Crystals Dislocation nucleation Dislocations Indenter size effect Lattice vacancies Molecular dynamics Nanoindentation Point defects Simulation Stacking faults Tetrahedrons
Online-Zugang:	Volltext
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