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Shear circular dislocation loops investigated with elasticity theory and atomistic simulations (2000)

Zhou, S.J. ; Kevrekidis, P.G. ; Bishop, A.R.

Springer

Journal of computer-aided materials design 7 (2000), S. 25-42

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ISSN: 1573-4900

Keywords: Copper ; Dislocation ; Elasticity ; Molecular dynamics

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Abstract The elastic fields of displacements, strains, and stresses for a shear circular loop are obtained with the Burgers formula. In addition, interactions between two shear circular loops are obtained based on elasticity theory. A series of molecular dynamics (MD) simulations on a shear circular partial dislocation loop in copper have been performed to examine the elastic solutions. It is found that the results of the MD simulations are in good agreement with those of elasticity theory for a loop with radius ∼7.5 nm.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1008766500345

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