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Study of nonlinear deformatios of binary alloys with cubic structure

T. H. NGUYEN1,2, C. GHEORGHIES1,*

Affiliation

  1. Faculty of Science - University Dunarea de Jos of Galati, Romania
  2. Faculty of Fundamental Science - University of Transport and Communications, Hanoi, Vietnam

Abstract

We have investigated the analytic expression for the strain-energy density of the binary alloys AB with b.c.c. and f.c.c. structure by the statistical moment method (SMM). The relation of the real stress σr and the strain ε for nonlinear deformed binary alloys are obtained. The influence of the temperature on the stress-strain curve and the maximum real stress σrmax of disorder alloys is investigated. The obtained results are applied to the V-0.10W, V-0.10Nb, V-0.10Ta, V-0.20Ta, Ta-0.10W, Ta-0.15W, Al-0.038Mg, Al-0.08Mg, Al-0.10Mg, Al-0.045Cu and Cu-0.10Zn alloys and compared with the experimental data..

Keywords

Nonlinear deformation, Inharmonic effects, Interaction potentials, Statistical moment method, Strain-energy density.

Submitted at: Oct. 31, 2010
Accepted at: Nov. 25, 2010

Citation

T. H. NGUYEN, C. GHEORGHIES, Study of nonlinear deformatios of binary alloys with cubic structure, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 12, pp. 2427-2432 (2010)