| Issue |
Europhys. Lett.
Volume 35, Number 2, July II 1996
|
|
|---|---|---|
| Page(s) | 103 - 108 | |
| Section | Condensed matter: structure, thermal and mechanical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00539-0 | |
| Published online | 01 September 2002 | |
Dynamical fracture in SiSe2 nanowires — a molecular-dynamics study
Concurrent Computing Laboratory for
Material Simulations, Department of Physics & Astronomy, Department of
Computer Science, Louisiana State University, Baton Rouge, LA 70803, USA
Received:
25
January
1996
Accepted:
29
May
1996
The dynamics of fracture in 
nanowires under constant uniaxial
strain is investigated using the molecular-dynamics (MD) method. It is found
that the nanowires remain highly crystalline and stay in the elastic-deformation
regime up to a critical strain. Under large uniaxial strain,
fracture of the nanowires is preceded by initiation of an amorphous region in
the chains at the outermost layer. The dynamics of amorphization and fracture
are discussed.
PACS: 61.43.Bn – Structural modeling: serial-addition models, computer simulation / 61.43.Fs – Glasses / 62.20.Mk – Fatigue, brittleness, fracture and cracks
© EDP Sciences, 1996
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