SIMULATIONS OF COLLISION CASCADES IN CuNb LAYERED COMPOSITES USING AN EAM INTERATOMIC POTENTIAL Academic Article uri icon

abstract

  • The embedded atom method (EAM) is used to construct an interatomic potential for modelling interfaces in Cu Nb nanocomposites. Implementation of the ZieglerBiersackLittmark (ZBL) model for short-range interatomic interactions enables studies of response to ion bombardment. Collision cascades are modelled in fcc Cu , bcc Nb , and in Cu Nb layered composites in the experimentally-observed KurdjumovSachs (KS) orientation relation. The interfaces in these composites reduce the number of vacancies and interstitials created per keV of the primary knock-on atom (PKA) by 5070% compared to fcc Cu or bcc Nb .

published proceedings

  • International Journal of Applied Mechanics

author list (cited authors)

  • DEMKOWICZ, M. J., & HOAGLAND, R. G.

publication date

  • January 1, 2009 11:11 AM