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A simple empirical N -body potential for transition metals by M. W. Finnis; J. E. Sinclair is a Engineering article available to read on EtoBox.
What is A simple empirical N -body potential for transition metals about?
A simple form of multi-ion interaction has been constructed for the purpose of atomistic simulation of transition metals. The model energy consists of a bonding term, which is the square-root of a site density p i , summed over atoms i, and a repulsive pairwise term of the form C 4 v(&). The site density pt is defined as a sum over neighbouring sites j of a cohesive potential + ( R [ j ) . Both 1.' and 4 are assumed to be short-ranged and are parameterized to f i t the lat.tice constant, cohesive energy and elastic moduli of the seven body-centred-cubic (b.c.c.) transition metals. The result is a simple model which, unlike a pair-potent,ial model, can account for experimental vacancy-formation energies and doea not require an externally applied pressure to balance the ' Cauchy pressure '. ij 8 1. INTRODUCTION
Who reads A simple empirical N -body potential for transition metals?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- M. W. Finnis; J. E. Sinclair
- Publisher
- Informa UK Limited
- Published
- 1984
- Language
- EN
- Field
- Engineering (Physical Sciences)