Paper Title:
Atomic Scale Simulation of Deformation in Magnesium Single Crystals
  Abstract

The deformation behaviour of magnesium single crystals under plane strain conditions has been examined using molecular dynamics modelling. The simulations were based on an existing atomic potential for magnesium taken from the literature. A strain of 10% was applied at rates of 3x109s-1 and 3x107s-1. The simulations predicted the formation of mechanical twins that accommodated extension in the c-axis direction of the hexagonal unit cell. However, the predicted twin is not of the same kind found in magnesium, but is that commonly observed in titanium. It is believed that further analysis of the physical properties predicted by this interatomic potential will shed more light on the atomic processes controlling twinning in Magnesium alloys. It also highlights the need for improvements to the interatomic potential such that more accurate deformation behaviour can be attained.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
1585-1590
DOI
10.4028/www.scientific.net/MSF.638-642.1585
Citation
D. Phelan, N. Stanford, B. Thijsse, J. Sietsma, "Atomic Scale Simulation of Deformation in Magnesium Single Crystals", Materials Science Forum, Vols. 638-642, pp. 1585-1590, 2010
Online since
January 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Gui Qing Chen, Gao Sheng Fu, Wen Duan Yan, Chao Zeng Cheng, Ze Chang Zou
Modeling, Analysis and Simulation of Manufacturing Processes
Abstract:The 3003 Al alloy was deformed by isothermal compression in the range of deformation temperature 300-500 °C at strain rate 0.0l-10.0...
306
Authors: Xiao Yu Zhong, Guang Jie Huang, Fang Fang He, Qing Liu
Abstract:Uni-axial tensile plastic deformation behavior of rolled magnesium alloy AZ31B under the temperature range from room temperature(RT) to 250°C...
219
Authors: Yi Zong Dang, Lu Wang, Qun Bo Fan
Chapter 2: Frontiers of Materials Science and Engineering
Abstract:The deformation micromechanism of Zr50Cu50 bulk metallic glasses under compress loading is studied by means of molecular dynamics. The...
723
Authors: M. Ponga, Ignasio Romero, M. Ortiz, M.P. Ariza
Abstract:Tensile failure of metals often occurs through void nucleation, growth and coalescence. This work is concerned with the study of plastic...
387
Authors: Wojciech Wajda, Henryk Paul
Abstract:The paper describes the mechanism of deformation at 77 K of pure aluminum bicrystals of different grain orientations. The following...
108